How to Use the Wiring Diagrams How to Read the Circuit Diagram The circuit diagram show the various routes from the power sources to the grounds. To simplify the checking process, the diagrams are drawn to show current flowing from top to bottom (+ to -). CONNECTOR No. : SHARED CONNECTOR Connectors that connect harnesses to harnesses and harnesses to fuse boxes. : SPECIAL CONNECTOR Connectors that connect to electrical components. The destination of a line The destination of the line to the following page is shown. CORD COLOR CODE HARNESS No. TERMINAL No. VEHICLE SYSTEM The vehicle system uses thin wires. ACCESSORY SYSTEM The accessory system uses thick wires.
How to Read the Terminal Arrangement The terminal arrangement show the shape, the terminal form (male or female), and the arrangement of the terminals for the connector nos. Shown on the circuit diagram. CONNECTOR No. For shared connectors, terminal arrangement is shown for both male and female terminals. For special connectors, only terminal arrangement for the wire harness side is shown. TERMINAL No. FEMALE TERMINAL CONNECTOR Symbol used on the wiring diagram SINGLE LINE LOCK Shows a diagram as seen from the terminal side. MALE TERMINAL CONNECTOR DOUBLE LINES LOCK Shows a diagram as seen from the terminal side. How to Read the Component Location The component location shows the positioning of all the harnesses, connectors and units used for the accessories. NAME OF UNIT CONNECTOR No. HARNESS No.
Symbols Battery Ground Connector terminal Bullet terminal Ground terminal When the component itself is the ground When the interior of the unit is the ground MALE FEMALE MALE FEMALE Ignition switch Antenna Fuse Joint connector Pin jack Pole-type Glass embedded-type Motor Actuator Horn Light bulb Light-emitting diode (LED) Diode Resistance Variable resistance Thermistor Cigarette lighter Transistor Zener diode Switch Normally-open relay Normally-closed relay Speaker, buzzer Condenser Shielded wire Wire Color Codes The following abbreviations are used to identify wire colors in the circuit schematics. WHT... White YEL... Yellow BLK... Black BLU... Blue GRN... Green RED... Red ORN... Orange PNK... Pink BRN... Brown GRY... Gray PUR... Purple TAN... Tan LT BLU... Light Blue LT GRN... Light Green The wire insulation has one color or one color with another color stripe. The second color is the stripe. WHT/BLK
Abbreviations List of automotive/electrical abbreviations which may be LHD Left Handle Drive used in wiring diagrams. LO Low A/T Automatic Transmission LT Light ACC Accessory Power Source M/T Manual Transmission ADPT Adapter MIC Microphone AMP Amplifier MICU Multiplex Integrated Control Unit ANT Antenna MTR Motor ATP-P P position Switch Signal MUTE Mute AUDIO Audio NAVI Navigation AUX Auxiliary OUT Output +B Battery Power Source PARK Parking BAT Battery PCM Powertrain Control Module BACK LT Back-up Light PLY Player B-CAN Body Controller Area Network PS Passenger BRK Brake PWR Power BUS BUS Communication R Right BZ Buzzer R/B Relay Box CAMERA Camera RADIO Radio CD Compact Disc REMOTE Remote CHNG Changer RHD Right Handle Drive CN Corner RLY Relay COMBI Combination RR Rear CONTROL Control RX Receive CTR Center SCS Service Check Signal DET Detection SCTY Security DIAG Diagnostic SH Shield DISP Display SIG Signal DLC Date Link Connector SMALL Small Light DR Driver SNSR Sensor DTC Diagnostic Trouble Code SOCKET Socket DVD Digital Versatile Disc SP Speaker ECM Engine Control Module SSD Solid State Drive F/B Fuse Box ST Starter FOG LT Fog light SUB Sub FR Front SW Switch GAUGE Gauge Control Module SYS System GND Ground TEL Telephone GPS Global Positioning System TURN Turn signal H/L Headlight TW Tweeter HAZARD Hazard TX Transmit HDD Hard Disk Drive UNIT Unit HDS Honda Diagnostic System USB Universal Serial Bus HFT Hands Free Telephone System VIDEO Video HI High VIN Vehicle Identification Number IG or IGN Ignition VSP Vehicle Speed Pulse ILL Illumination WIP Wiper IMMOBI Immobilizer IN Input INTR LT Interior Light J/C Joint Connector L Left LED Light Emitting Diode
Remote Control Engine Starter (With Smart Entry) Circuit Diagram
(With moonroof)
Terminal Arrangement
Component Location ANTENNA 20A FUSE, 2 FUSE BOX IG1-A RELAY/ IG1-B RELAY/ IG2 RELAY/ 3A FUSE, 2 GND-1 ENGINE STARTER HARNESS CONTROL UNIT FUSE BOX / /
Remote Control Engine Starter (Without Smart Entry) Circuit Diagram
(With moonroof)
Terminal Arrangement
Component Location ANTENNA 40A FUSE, 2 FUSE BOX IG1 RELAY/ IG2 RELAY/ STARTER RELAY/ 3A FUSE GND-1 CONTROL UNIT ENGINE STARTER HARNESS FUSE BOX / /
2014 FIT Remote Control Engine Starter System Description... 2 Circuit Diagram... 3 Terminal Layout... 4 Self-diagnostic Function... 5 HDS Diagnostic Function... 6 Symptom Troubleshooting... 8 Test/Location... 15 Registration... 17
System Description Remote Control Engine Starter Operation 1. Press the start button of the transmitter to send the start signal. 2. When the control unit receives the start signal, it checks the start conditions listed below. All doors are closed. Tailgate is closed. Engine hood is closed. Door locks are activated. Transmission select lever is in the P position. With smart entry: ENGINE START/STOP switch is OFF. With smart entry: Smart entry key is not inside the vehicle. Without smart entry: Key is not inserted into the ignition switch. IG1 power is OFF. Brake pedal is not pressed. Panic mode/security alarm signal has not been generated. (Door switches: OFF) (Tailgate latch switch: OFF) (Hood latch switch: OFF) (Door lock knob unlock switch: OFF) (Door lock knob lock switch: ON) (P position switch: ON) (Smart entry switch: OFF) (Ignition key switch: OFF) (IG1: OFF) (Brake switch: OFF) 3. When the start conditions listed above have been met, the control unit switches on the IG1 relay and checks the start conditions listed below. IG1 power is ON. Immobilizer signal can be matched. Charge indicator is lighted. (IG1: ON) (ACG-L line: ON) 4. When the start conditions listed above have been met, the control unit switches on the starter signal to start the engine. 5. When the charge indicator goes off, the control unit interprets this to mean that the engine has started, and it switches off the starter signal. 6. When the engine starts successfully, the control unit turns on the IG2 relay and transfers to the warm-up operation. 7. When one of the conditions listed below is input during the warm-up operation, the control unit switches off the IG1 relay and IG2 relay to stop the engine. Door has been opened. Tailgate has been opened. Engine hood has been opened. Driver s door lock has been released. Transmission select lever has been moved from the P position. With smart entry: ENGINE START/STOP switch is ON. Without smart entry: Key has been inserted into the ignition switch. Brake pedal has been pressed. Charge indicator has come on. Engine speed has exceeded 4,000 rpm. Engine malfunction indicator has come on. Engine low oil pressure indicator has come on. Stop signal or unlock signal has been received from the transmitter. Specified warm-up operation time has been completed. Panic mode/security alarm signal has been generated. (Door switch: ON) (Tailgate latch switch: ON) (Hood latch switch: ON) (Door lock knob unlock switch: ON) (Door lock knob lock switch: OFF) (P position switch: OFF) (Ignition key switch: ON) (Brake switch: ON) (ACG-L line: ON) 2
Circuit Diagram Circuit Diagram 3
Terminal Layout CONTROL UNIT CONNECTOR B (2P) CONTROL UNIT CONNECTOR A (28P) CONTROL UNIT CONNECTOR A (28P) Cavity Wire Connects to Description A1 BLK Vehicle (GND) Control unit ground A3 WHT Shift lock solenoid (SLS) Shift lock solenoid signal A4 RED ECM/PCM (SLS) Shift lock solenoid signal A5 LT GRN With moonroof: Vehicle (IG1) Ignition signal A6 GRN With moonroof: Moonroof control unit (IG1) Ignition signal A9 BRN MICU (COMBI GND) Wiper switch ground A10 GRY Wiper switch (COMBI GND) Wiper switch ground A11 BLU Combination light switch (COMBI GND) Combination light switch ground A12 BLK MICU (COMBI GND) Combination light switch ground A13 BRN MICU (H/L OFF SW) Headlight OFF switch signal A14 GRN Combination light switch (H/L OFF SW) Headlight OFF switch signal A15 BLK Vehicle (HOOD SW or GND) Hood latch switch or ground A17 With Smart Entry: YEL Without Smart Entry: WHT Vehicle (IG1) Ignition signal A19 BLU ECM/PCM (S-NET) S-NET signal A20 PNK Vehicle (B CAN-H) B CAN-H signal A21 BLU Vehicle (B CAN-L) B CAN-L signal A22 BLK Relays (RLY GND) Relay ground A24 GRN With Smart Entry: ECM/PCM (STS) Without Smart Entry: Starter relay (ST RLY) Starter signal Starter relay signal A26 TAN IG1 relay (IG1 RLY) IG1 relay signal A27 PUR IG2 relay (IG2 RLY) IG2 relay signal A28 WHT Vehicle (+B) Control unit power supply CONTROL UNIT CONNECTOR B (2P) Cavity Wire Connects to Description B1 Antenna (SIG) Signal transmission B2 Antenna (SH) The shield of terminal No.1 4
Self-diagnostic Function Checking the Engine (Doesn t) Run History If the engine has failed to start, the engine (doesn t) run history of the engine can be displayed by the transmitter. By taking the following steps, the last 8 events in the engine (doesn t) run history are displayed in sequence starting with the latest event. * For details of the displays, refer to the symptom-to-cause chart (see page 8) 1. While keeping the transmitter s ENGINE button pressed, hold down the LOCK button, and after five seconds check that ERROR HISTORY is displayed. 2. CHECKING is displayed on the transmitter, and the engine (doesn t) run history events are displayed in sequence starting from event 1. * If there are fewer than 8 engine (doesn t) run history events, the operation is completed as soon as the saved history is displayed. If there are no engine (doesn t) run history events, NO ERROR is displayed on the transmitter. Checking the Signal Level The control unit can measure the strength of the signals received from the transmitter and send the signal of the level signal to the transmitter. The signal level is checked by taking the following steps. 1. Hold down the transmitter s LOCK button, and after seven seconds check that the buzzer sounds. 2. The transmitter generates the following buzzer sounds and indicates the following monitor displays depending on the signal strength. Peep LOCK BUTTON ENGINE BUTTON Signal strength Buzzer sound Monitor display Communication error Beep-beep-beep LOCK BUTTON ENGINE (DOESN T) RUN HISTORY Soft Fairly soft Doh Doh-ray Normal Doh-ray-me Fairly loud Doh-ray-me-fah Loud Doh-ray-me-fah-so 5
HDS Diagnostic Function Engine (Doesn t) Run History If the engine has failed to start, the following operations are performed by the HDS, and the engine (doesn t) run history is displayed. * For details of the displays, refer to the symptom-to-cause chart (see page 8). 1. Connect the HDS to the data link connector (DLC). 2. Turn the ignition switch ON. 3. Start the HDS, and click the car icon. 4. Input the VIN, odometer information, model, model year and other data, and click the check button. 5. Select Honda System, and click the check button. 6. Select R/C Engine Starter, and click the check button. 7. Select HISTORY, and click the check button. 8. Select Engine (Doesn t) Run History, and click the check button. 9. The Engine (Doesn t) Run History screen is displayed. Engine Stop History If the engine has stopped during the warm-up operation, the following operations are performed by the HDS, and the engine (doesn t) run history is displayed. * For details of the displays, refer to the symptom-to-cause chart (see page 8). 1. Connect the HDS to the data link connector (DLC). 2. Turn the ignition switch ON. 3. Start the HDS, and click the car icon. 4. Input the VIN, odometer information, model, model year and other data, and click the check button. 5. Select Honda System, and click the check button. 6. Select R/C Engine Starter, and click the check button. 7. Select HISTORY, and click the check button. 8. Select Engine Stop History, and click the check button. 9. The Engine Stop History screen is displayed. Number Command Count HISTORY The last 8 engine (doesn t) run history events are displayed here. Number Command Count HISTORY The last 8 engine stop history events are displayed here. 6
Data List By performing the following operations using the HDS, the vehicle status, remote control engine starter operation status and what is installed in the vehicle can be displayed. 1. Connect the HDS to the data link connector (DLC). 2. Turn the ignition switch ON. 3. Start the HDS, and click the car icon. 4. Input the VIN, odometer information, model, model year and other data, and click the check button. 5. Select Honda System, and click the check button. 6. Select R/C Engine Starter, and click the check button. 7. Select Data List, and click the check button. 8. The Data List screen is displayed. SYSTEM CHECK By performing the following operations using the HDS, whether immobilizer communication between the vehicle and remote control engine starter is normal is displayed. 1. Connect the HDS to the data link connector (DLC). 2. Turn the ignition switch ON. 3. Start the HDS, and click the car icon. 4. Input the VIN, odometer information, model, model year and other data, and click the check button. 5. Select Honda System, and click the check button. 6. Select R/C Engine Starter, and click the check button. 7. Select SYSTEM CHECK, and click the check button. 8. The SYSTEM CHECK screen is displayed. * If trouble has been detected, register the control unit (see page 17), and check again. NORMAL Signal Value When an item is selected, a detailed description is displayed here on the right. ABNORMAL Detect: Trouble has been detected. None: No trouble has been detected. When an item is selected, a detailed description is displayed here on the right. 7
Symptom Troubleshooting Symptom-to-Cause Chart If the user claims that engine fails to start or stops, first check the history for the items listed below. Engine (Doesn t) Run History (transmitter) Page 5 Engine (Doesn t) Run History (HDS) Page 6 Engine Stop History (HDS) Page 6 Following this, proceed with troubleshooting in accordance with the table below. History Troubleshooting Engine (Doesn t) Run History (transmitter) Engine (Doesn t) Run History (HDS) Engine Stop History (HDS) Diagnosis steps Action to be taken Driver s door switch Passenger s door switch Driver s side rear door switch Passenger s side rear door switch Trunk switch (or Tail gate switch) Glass hatch switch 1. Close all the doors, trunk lid and tailgate, start the engine using the transmitter, and check that the trouble recurs. 2. With all the doors, trunk lid and tailgate still closed, connect the HDS, and display the Data List. (See page 7) 3. Check that CLOSE is displayed for the items listed below. Driver s Door Switch (B-CAN) Passenger s Door Switch (B-CAN) Driver s Rear Door Switch (B-CAN) Passenger s Rear Door Switch (B-CAN) Trunk Lid/Tail Gate Switch (B-CAN) Glass Hatch Switch (B-CAN) CLOSE: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. OPEN: If OPEN is displayed on the Data List even though all the doors, trunk lid and tailgate are closed, it means that a vehicle door, trunk lid latch switch, tailgate latch switch, switch line wire harness or MICU is defective. Refer to the vehicle s service manual. Engine hood switch 1. Close the engine hood, start the engine using the transmitter, and check that the trouble recurs. 2. With the engine hood still closed, connect the HDS, and display the Data List. (See page 7) 3. Check that CLOSE is displayed for the items listed below. Security Hood Switch (B-CAN) Security Hood Switch CLOSE: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. OPEN: If OPEN is displayed on the Data List even though the engine hood is closed, it means that the vehicle s engine hood latch switch, switch line wire harness or MICU is defective. Refer to the vehicle s service manual. Driver s door knob switch Unlock switch 1. Lock the driver s door lock knob switch, start the engine using the transmitter, and check that the trouble recurs. 2. With the driver s door lock knob switch still locked, connect the HDS, and display the Data List. (See page 7) 3. Check whether Not Unlock is displayed for the Door Knob Switch (unlock) (B-CAN). Not Unlock: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. Unlock: If Unlock is displayed on the Data List even though the driver s door lock knob switch is locked, it means that the vehicle s unlock switch, switch line wire harness or MICU is defective. Refer to the vehicle s service manual. AT position is beside P 1. Set the transmission select lever to the P position, start the engine using the transmitter, and check that the trouble recurs. 2. With the transmission select lever still in the P position, connect the HDS, and display the Data List. (See page 7) 3. Check whether P Position is displayed for the AT P Position Switch (B-CAN). P Position: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. Other than P Position: If Other than P Position is displayed on the Data List even though the select lever is at the P position, it means that the vehicle s P position switch, switch line wire harness, meter or ECM/PCM is defective. Refer to the vehicle s service manual. Brake switch is on 1. With the brake pedal not pressed, start the engine using the transmitter, and check that the trouble recurs. 2. With the brake pedal still not pressed, connect the HDS, and display the Data List. (See page 7) 3. Check whether OFF is displayed for the Stop Switch (B-CAN). OFF: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. ON: If ON is displayed on the Data List even though the brake pedal is not pressed, it means that the vehicle s brake switch, switch line wire harness or MICU is defective. Refer to the vehicle s service manual. 8
History Troubleshooting Engine (Doesn t) Run History (transmitter) Engine (Doesn t) Run History (HDS) Engine Stop History (HDS) Diagnosis steps Action to be taken ACG-L signal is non-generation Troubleshooting: Refer to the ACG-L signal is non-generation event displayed on the engine (doesn t) run history (With Smart Entry) (See page 11). Refer to the ACG-L signal is non-generation event displayed on the engine (doesn t) run history (Without Smart Entry) (See page 11). ACG-L signal is generation before engine run 1. With the engine stopped, start the engine using the transmitter, and check that the trouble recurs. 2. With the engine still stopped, connect the HDS, and display the Data List. (See page 7) 3. Check whether Un-generation is displayed for the ACG-L Status (B-CAN). Un-generation: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. Generation: If Generation is displayed on the Data List even though the engine is stopped, it means that there is a defect in the vehicle. Refer to the vehicle s service manual. PANIC frame=on reception ALARM frame=on reception 1. With the panic mode/security alarm signal not generated, start the engine using the transmitter, and check that the trouble recurs. 2. With the panic mode/security alarm signal still not generated, connect the HDS, and display the Data List. (See page 7) 3. Check that OFF is displayed for the following items. OFF: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. ON: If ON is displayed on the Data List even though the panic mode/security alarm signal is not generated, it means that the vehicle s MICU is defective. Refer to the vehicle s service manual. Ignition key switch Remove the ignition key from the vehicle s ignition switch, start the engine using the transmitter, and check that the trouble recurs. If the engine fails to start or stops even though the ignition key has not been inserted into the ignition switch, refer to the service manual of the vehicle, and check the vehicle s key switch, switch line wire harness and MICU. If there is no trouble in the vehicle, it means that the control unit is defective. Smartkey is in cabin 1. Place the smart entry key outside the vehicle, start the engine using the transmitter, and check that the trouble recurs. 2. With the smart entry key still outside the vehicle, connect the HDS, and display the Data List. (See page 7) 3. Check whether No Key or Key is out of Vehicle is displayed for Keyless Access Status (B-CAN). No Key, Key is out of Vehicle: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. Other than No Key or Key is out of Vehicle : If a display other than No Key or Key is out of Vehicle appears on the Data List even though the Honda smart entry key is outside the vehicle, it means that the vehicle s smart key system is defective. Refer to the vehicle s service manual. * Key is in cabin is always displayed for a vehicle which is not equipped with a smart entry key. IG1 voltage level is high when IG1 RLY=OFF This is displayed if the IG1 has already been power is ON when the engine is to be started using the transmitter. Check whether the IG1 power is ON before starting the engine using the transmitter. When the IG1 power is ON: IG1 is turned OFF and checked. When the IG1 power is OFF: The control unit is defective. No IMMOBI code registration 1. Register the control unit. Refer to the control unit registration (See page 17). 2. After registering the control unit, check whether the engine can be started using the transmitter. The engine can be started: The control unit has not yet been registered. The engine cannot be started: The control unit is defective. IMOCD error Troubleshooting: Refer to the IMOCD error event displayed on the engine (doesn t) run history (See page 12). 9
History Troubleshooting Engine (Doesn t) Run History (transmitter) Engine (Doesn t) Run History (HDS) Engine Stop History (HDS) Diagnosis steps Action to be taken IMOES error IG1 voltage level is low when IG1 RLY=ON Troubleshooting: Refer to the IMOES error or IG1 voltage level is low when IG1 RLY=ON event displayed on the engine (doesn t) run history (See page 12). Communication bus line error (BCAN) Troubleshooting: Refer to the Communication bus line error (B-CAN) event displayed on the engine (doesn t) run history (See page 14). Engine revolution is over 4000rpm Start the engine using the normal key, and check whether the engine speed during the warm-up operation exceeds 4,000 rpm. If the speed exceeds 4,000 rpm: The vehicle is defective. Refer to the vehicle s service manual. If the speed does not exceed 4,000 rpm: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. Engine MIL is turned on Start the engine using the normal key, and check whether the engine malfunction indicator comes on. If the lamp comes on: The vehicle is defective. Refer to the vehicle s service manual. If the lamp fails to come on: The vehicle s system is trouble-free. he control unit is defective so replace it with a trouble-free unit. Oilpressure lump is turned on Start the engine using the normal key, and check whether the oil pressure indicator comes on. If the lamp comes on: The vehicle is defective. Refer to the vehicle s service manual. If the lamp fails to come on: The vehicle s system is trouble-free. The control unit is defective so replace it with a trouble-free unit. Stop command from FOB The engine stopped because the stop operation was performed by the transmitter. This is not indicative of any trouble. UNLOCK command from FOB The engine stopped because the door lock release operation was performed by the transmitter. This is not indicative of any trouble. Idling time out Restriction of repeat time NON Reception from FOB The engine stopped because the warm-up operation time has elapsed. This is not indicative of any trouble. The engine cannot be started because it is within the continuous start prohibit time. This is not indicative of any trouble. If, after the start signal from the transmitter did not reach the control unit because of the transmission range or signal condition, a start signal from the transmitter then reaches the control unit, the control unit displays NON Reception from FOB as the previous engine (doesn t) run history event. When the front door (on the driver s seat or passenger seat side) is opened or the ignition switch is turned on using the vehicle s ignition key, the continuous start prohibit time is released, and the engine can be restarted. When this display appears, the trouble is temporary. Check whether it recurs. No Freeze data No engine (doesn t) run history or engine stop history event has occurred. * If the display shown on the left appears during a transmitter operation, refer to the troubleshooting for No communication between the transmitter and control unit (See page 14). 10
Symptom Troubleshooting 1. ACG-L signal is non-generation event displayed on the engine (doesn t) run history (With Smart Entry). NOTICE Before proceeding with troubleshooting, check whether the engine starts properly using the vehicle key. 1. Control unit inspection Check if the engine can started with transmitter. Does the engine start to rotate? YES - Go to step 2. NO - Go to step 3. 2. HDS check -1. Connect the HDS, and display the Data List. -2. Start the engine using the vehicle key, and allow the engine to warm up. -3. Check whether Generation is displayed for ACG-L Status (B-CAN) on the Data List. See page 7 for the Data List. Is Generation displayed? YES - Faulty control unit NO - See service manual 3. Control unit inspection Start the engine using the transmitter, and measure the voltage between the control unit A connector (28P) terminal No.24 and body ground. See page 15 for the Control Unit Location. Is there battery voltage? YES - An open in the wire NO - Faulty control unit CONTROL UNIT CONNECTOR A (28P) 2. ACG-L signal is non-generation event displayed on the engine (doesn t) run history (Without Smart Entry). NOTICE Before proceeding with troubleshooting, check whether the engine starts properly using the vehicle key. Before troubleshooting, check for a fuse in the harness. 1. Control unit inspection Check if the engine can started with transmitter. Does the engine start to rotate? YES - Go to step 2. NO - Go to step 3. 2. HDS check -1. Connect the HDS, and display the Data List. -2. Start the engine using the vehicle key, and allow the engine to warm up. -3. Check whether Generation is displayed for ACG-L Status (B-CAN) on the Data List. See page 7 for the Data List. Is Generation displayed? YES - Faulty control unit NO - See service manual 3. Control unit inspection Start the engine using the transmitter, and measure the voltage between the control unit A connector (28P) terminal No.24 and body ground. See page 15 for the Control Unit Location. Is there battery voltage? YES - Go to step 4. NO - Faulty control unit CONTROL UNIT CONNECTOR A (28P) STS (GRN) ST RLY (GRN) 4. Starter relay inspection Check for relay function. See page 16 for the Relay Test. Does the relay work properly? YES - An open in the wire NO - Faulty starter relay 11
3. IMOCD error event displayed on the engine (doesn t) run history. 1. Control unit re-registration -1. Re-register the control unit. -2. After registering the control unit, check whether the engine starts using the transmitter. See page 17 for Engine Starter Registration. Can the engine be started? YES - Temporary trouble; current system is trouble-free NO - Go to step 2. 2. S-NET line inspection -1. Disconnect control unit connector A (28P). -2. Disconnect vehicle connector. -3. Check for continuity. See page 15 for the Control Unit Location. Is there continuity? YES - Faulty control unit NO - An open in the wire With Smart Entry CONTROL UNIT CONNECTOR A (28P) 4. IMOES error or IG1 voltage level is low when IG1 RLY=ON event displayed on the engine (doesn t) run history. NOTICE Before proceeding with troubleshooting, check whether the engine starts properly using the vehicle key. With Smart Entry: Before troubleshooting, check for a fuse in the harness. 1. Vehicle meter lighting check Start the engine using the transmitter, and check whether the combination meter lights. Does the meter light? YES - Go to step 2. NO - Go to step 5. 2. IG1 line inspection Start the engine using the transmitter, and measure the voltage between control unit connector A (28P) terminal No.17 and body ground. See page 15 for the Control Unit Location. Is there battery voltage? YES - Go to step 3. NO - An open in the wire S-NET (BLU) CONTROL UNIT CONNECTOR A (28P) S-NET (BLU) With Smart Entry: IG1 (YEL) Without Smart Entry: IG1 (WHT) ENGINE STARTER HARNESS 20P CONNECTOR Without Smart Entry CONTROL UNIT CONNECTOR A (28P) S-NET (BLU) 3. Control unit re-registration -1. Re-register the control unit. -2. After registering the control unit, check whether the engine starts using the transmitter. See page 17 for Engine Starter Registration. Can the engine be started? YES - Temporary trouble; current system is trouble-free NO - Go to step 4. S-NET (BLU) ENGINE STARTER HARNESS 7P CONNECTOR 12
4. S-NET line inspection -1. Disconnect control unit connector A (28P). -2. Disconnect vehicle connector. -3. Check for continuity. See page 15 for the Control Unit Location. Is there continuity? YES - Faulty control unit NO - An open in the wire 5. Control unit inspection Start the engine using the transmitter, and measure the voltage between the control unit connector A (28P) terminal No.26 and body ground. See page 15 for the Control Unit Location. Is there battery voltage? YES - Go to step 6. NO - Faulty control unit With Smart Entry CONTROL UNIT CONNECTOR A (28P) CONTROL UNIT CONNECTOR A (28P) IG1 RLY (TAN) S-NET (BLU) S-NET (BLU) ENGINE STARTER HARNESS 20P CONNECTOR 6. IG1 relay inspection Check for relay function. See page 16 for the Relay Test. Does the relay work properly? YES - An open in the wire NO - Faulty IG1 relay Without Smart Entry CONTROL UNIT CONNECTOR A (28P) S-NET (BLU) S-NET (BLU) ENGINE STARTER HARNESS 7P CONNECTOR 13
5. Communication bus line error (B-CAN) event displayed on the engine (doesn t) run history. 1. B CAN-H line inspection -1. Disconnect control unit connector A (28P). -2. Disconnect vehicle fuse box 4P connector. -3. Check for continuity between the control unit connector A (28P) terminal No.20 and 4P connector terminal No.2. See page 15 for the Control Unit Location. Is there continuity? YES - Go to step 2. NO - An open in the wire CONTROL UNIT CONNECTOR A (28P) 6. No communication between the transmitter and control unit. NOTICE Before proceeding with troubleshooting, inspect the transmitter (see page 15). Before troubleshooting, check for a fuse in the harness. 1. +B line inspection -1. Disconnect control unit connector A (28P). -2. Check for continuity between the control unit connector A (28P) terminal No.28 and body ground. See page 15 for the Control Unit Location. Is there battery voltage? YES - Go to step 2. NO - An open in the wire CONTROL UNIT CONNECTOR A (28P) B CAN-H (PNK) B CAN-H (PNK) +B (WHT) FUSE BOX 4P CONNECTOR 2. B CAN-L line inspection Check for continuity between the control unit connector A (28P) terminal No.21 and 4P connector terminal No.1. Is there continuity? YES - Faulty control unit NO - An open in the wire CONTROL UNIT CONNECTOR A (28P) 2. GND line inspection Check for continuity between the control unit connector A (28P) terminal No.1 and body ground. Is there continuity? YES - Faulty control unit Faulty antenna NO - An open in the wire Poor ground CONTROL UNIT CONNECTOR A (28P) GND (BLK) B CAN-L (BLU) B CAN-L (BLU) FUSE BOX 4P CONNECTOR 14
Test/Location Control Unit Location CONTROL UNIT Transmitter Test 1. Open the transmitter and check for water damage. If you find any water damage, replace the transmitter. If there is no water damage, go to Step 2. BATTERY 2. Replace the transmitter battery with a new one, and check if the engine can be started. If the engine can be started, the transmitter is OK. If the engine can t be started, go to Step 3. 3. Reprogram and register the transmitter, then check if the engine can be started. If the engine can be started, the transmitter is OK. If the engine can t be started, substitute a known-good transmitter and recheck. If still not operating, replace the control unit. 15
Relay Test With Smart Entry IG1-A RELAY IG1-B RELAY IG2 RELAY Fuse Location With Smart Entry 3A FUSE, 2 20A FUSE, 2 Without Smart Entry STARTER RELAY IG1 RELAY IG2 RELAY Check for continuity between the terminals. There should be continuity between terminals No.1 and No.2 when battery power is connected to terminal No.5, and body ground is connected to terminal No.3. There should be no continuity between terminals No.1 and No.2 when power is disconnected. Without Smart Entry 3A FUSE 40A FUSE, 2 16
Registration Remote Engine Starter Registration 1. Acquire the PCM Code from the Interactive Network. 2. Connect the HDS/MVCI tester to the OBD II data link connector, then turn the ignition switch to the on position. 3. Start the HDS, and click the car icon. 4. Input the VIN and other required information into the HDS, then click the check button. 5. Select Honda Systems, then click the check button. 6. Select R/C ENG STARTER and click the check button. 7. Select REGISTER REMOTE CONTROL ENGINE STARTER UNIT, then click the check button. 8. The following message will display: Obtain PCMcode (IMMOBILIZER PCM CODE) from in. This vehicle s VIN will be required to obtain the password. (USA) Click the check button. 9. Input the PCM code, then click the check button. NOTE To ensure security, the PCM-code (password) is changed everyday, so it is impossible to register the remote control engine starter if the dates of the PCM-code acquisition and registration are different. The date of the HDS/MVCI tester should also be the same. 10. The following message will display: The registration of the Remote Control Engine Starter Unit has been completed. Turn the ignition switch off. 11. The following message will display: Check that engine can be started by the Transmitter. Click the check button. 12. Perform the function check, then disconnect the HDS/MVCI. Transmitter Registration NOTICE When you lose a transmitter, in order to eliminate the information on an old transmitter, register a new transmitter twice. Reregister all the transmitters that use a transmitter while in use by two when transmitter of one of the two is lost. 1. Acquire the PCM Code from the Interactive Network. 2. Connect the HDS/MVCI to the data link connector, then turn the ignition switch on. 3. Start the Honda Diagnostic System, then click the car i-con. 4. Input the VIN and other requirements in accordance with the HDS, then click the check button. 5. Select Honda System, then click the check button. 6. Select R/C ENG STARTER and click the check button. 7. Prepare the new transmitter to register. 8. Select REGISTER NEW TRANSMITTER, then click the check button. 9. The following message will display: Obtain PCMcode (IMMOBILIZER PCM CODE) from in. This vehicle s VIN will be required to obtain the password. (USA) Click the check button. 10. Input the PCM code, then click the check button. NOTE To ensure security, the PCM-code (password) is changed everyday, so it is impossible to register the remote control engine starter if the dates of the PCM-code acquisition and registration are different. The date of the HDS/MVCI tester should also be the same. 11. (With Keyless Memory Settings) Confirm on a visitor together with which vehicles key of DRIVER 1 or DRIVER 2 the transmitter of Remote Control Engine Starter is used. Select the DRIVER 1 or DRIVER 2. 12. Click the check button. 13. The following message will display: Press [ENTER] to start the registration. Click the check button. 14. Within 15 seconds, press and release the ENGINE button then press the UNLOCK button within 2 seconds. 15. The following message will display: COMPLETE, Please paste the sticker (Driver 1, Driver 2 or Black) on the back side of the transmitter referring to the Help screen, Press (ENTER). Click the check button. 16. The following message will display: Turn the ignition switch off. Turn the ignition switch off. 17. Using isopropyl alcohol, clean the area where the ID label will attach. 18. Attach the ID label (Driver 1, Driver 2 or Black) to the transmitter as shown. 19. Make sure that the engine starter operates properly with the transmitter and additional transmitter. 17