ON-BOARD DIAGNOSTICS II SYSTEM. 5. Specified Data. Signal (V) Ignition SW ON (Engine OFF)

Size: px

Start display at page:

Download "ON-BOARD DIAGNOSTICS II SYSTEM. 5. Specified Data. Signal (V) Ignition SW ON (Engine OFF)"

Bridget Fisher
6 years ago
Views:

1 1. ENGINE CONTROL MODULE (ECM) I/O SIGNAL OBD0092A Crankshaft Camshaft Mass air flow Throttle Signal (+) Sensor output waveform Signal ( ) Shield Signal (+) Sensor output waveform Signal ( ) Shield Signal Shield GND Signal 6 Fully closed: Fully opened: Power GND Front Signal oxygen Shield Rear Signal oxygen Shield Engine coolant temperature After warm-up Vehicle speed or 5 0 or 5 5 and 0 are repeatedly displayed when vehicle is driven. Starter switch Cranking: 8 to 14 A/C switch 60 ON: ON: Ignition switch Neutral switch (MT) Neutral switch (AT) 82 ON: 5.0±0.5 ON: 0 OFF: 5.0±0.5 On MT model; switch is ON when gear is in neutral. On AT model; switch is ON when shift is in N or P. Test mode connector When connected: 0 79

2 ON-BOARD DIAGNOSTICS II SYSTEM Knock Signal Shield AT/MT identification 81 (AT) 5 (MT) 0 (AT) 5 (MT) 0 When measuring voltage between ECM and body. Back-up power Ignition switch OFF : Control unit power Ignition Fuel injector #1,# #3,# # Waveform # Waveform # Waveform # Waveform Idle air solenoid Fuel pump relay 32 OPEN end Waveform CLOSE end Waveform A/C relay 31 Radiator fan relay 1 Radiator fan relay OFF: OFF: OFF: OFF: , or less OFF: OFF: OFF: With A/C vehicles only Self-shutoff Malfunction indicator lamp 58 Light ON : 1,orless Light OFF : Engine speed output , or more Waveform Torque Mass air flow for AT Purge solenoid 72 Atmospheric pressure Pressure sources switching solenoid 15 EGR solenoid 71 Front oxygen heater Rear oxygen heater OFF: OFF: OFF: OFF: OFF: OFF: Fuel temperature cc AWD except Taiwan spec. vehicles Ambient temperature: 25 C (77 F) Fuel level cc AWD except Taiwan model Fuel tank pressure Signal cc AWD except Taiwan spec. vehicles The value obtained after the fuel filler cap was removed once and recapped. Power GND Fuel tank pressure solenoid Vent solenoid OFF: OFF: OFF: OFF: cc AWD except Taiwan spec. vehicles 2200 cc AWD except Taiwan spec. vehicles TCS Waveform 80

3 AT diagnosis input 80 ) More than 4 ) More than 4 GND (s) Waveform GND (injectors) GND (ignition system) GND (power ) GND ( systems) GND (oxygen heater) Mass air flow Engine load ENGINE CONDITION DATA Model Specified data 2200 cc 2500 cc 2200 cc 2500 cc (g/sec): Idling (g/sec): 2,500 rpm racing (g/sec): Idling (g/sec): 2,500 rpm racing (%): Idling (%): 2,500 rpm racing (%): Idling (%): 2,500 rpm racing Measuring condition: After warm-up the engine. Gear is in N or P. A/C is turned OFF. All accessory switches are turned OFF. 81

4 ON-BOARD DIAGNOSTICS II SYSTEM 3. TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL OBD0093A Check with ignition switch ON. Measuring conditions Voltage (V) Back-up power B56 14 Ignition switch OFF Ignition power Inhibitor switch B54 6 B55 1 P switch B56 9 N switch B56 8 R switch B56 10 D switch B switch B switch B switch B54 4 Brake switch B56 7 ABS B56 5 AT diagnostics B55 12 Diagnosis switch B56 6 Ignition switch ON (with engine OFF) Selector lever in P Selector lever in any other than P More than 8 Selector lever in N Selector lever in any other than N More than 8 Selector lever in R Selector lever in any other than R Selector lever in D Selector lever in any other than D Selector lever in 3 Selector lever in any other than 3 Selector lever in 2 Selector lever in any other than 2 Selector lever in 1 Selector lever in any other than 1 Brake pedal depressed More than 10.5 Brake pedal released ABS switch ON ABS switch OFF.5 Ignition switch ON (with engine OFF) Ignition switch ON (with engine ON) More than 10 Diagnosis connector connected. Diagnosis connector disconnected. 82

5 Throttle Throttle power ATF temperature Vehicle speed 1 Vehicle speed 2 Engine speed B54 8 B56 19 B54 10 B54 12 B56 11 B54 5 Cruise set B56 3 Torque Mass air flow Shift solenoid 1 B55 14 Shift solenoid 2 B55 13 Shift solenoid 3 B55 15 Duty solenoid A B55 8 Dropping resistor B55 7 Duty solenoid B B55 5 Duty solenoid C (AWD model only) Sensor ground line 1 Sensor ground line 2 System ground line Power system ground line FWD switch (AWD model only) Data link (Subaru select monitor) AT diagnosis Measuring conditions Voltage (V) Throttle fully closed Throttle fully open Ignition switch ON (with engine OFF) Resistance to body (ohms) ATF temperature 20 C (68 F) k 2.9 k ATF temperature 80 C (176 F) Vehicle stopped. 0 Vehicle speed at least 20 km/h (12 MPH) When vehicle is slowly moved at least 2 meters (7ft). More than 1 (AC ) Ignition switch ON (with engine OFF). More than 10.5 Ignition switch ON (with engine ON) When cruise is set (SET lamp ON). When cruise is not set (SET lamp OFF) )More than 9.5 B55 16 Ignition switch ON 4 6 B54 9 Engine idling after warm-up B55 3 1st or 4th gear More than 9 2nd or 3rd gear 1st or 2nd gear More than 9 3rd or 4th gear Selector lever in N (with throttle fully closed). Selector lever in D (with throttle fully closed). Throttle fully closed (with engine Throttle fully open (with engine Throttle fully closed (with engine Throttle fully open (with engine More than More than 8.5 When lock up occurs. More than 8.5 When lock up is released. Less than 0.5 Fuse on FWD switch More than 8.5 Fuse removed from FWD switch (with throttle fully open and with select lever in 1st gear). Less than B B B B B56 2 B56 Fuse removed Fuse installed B56 11 Ignition switch ON ) More than 4 83

A: ENGINE CONTROL MODULE (ECM) I/O SIGNAL FOR MT VEHICLES. Signal (V) Ignition SW ON (Engine OFF) B B B

5. Specified Data A: ENGINE CONTROL MODULE (ECM) I/O SIGNAL FOR MT VEHICLES B2M2267A Crankshaft Camshaft Throttle Rear oxygen Front oxygen (A/F) heater Rear oxygen heater Engine coolant temperature Signal