1998 Acura 3.5RL. F - BASIC TESTING' '1998 ENGINE PERFORMANCE Acura - Basic Diagnostic Procedures
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1 FUEL PUMP 1. Remove fuel tank filler cap. Listen for fuel pump operation noise at fuel tank filler. Fuel pump should operate for 2 seconds after ignition switch is turned on. If fuel pump operates as specified, fuel pump is okay. If fuel pump does not operate as specified, go to next step. 2. Turn ignition switch off. Remove rear seat or trunk floor to gain access to fuel pump connector. Disconnect fuel pump connector. Disconnect PGM-FI main relay connector. Connect a fused jumper wire between PGM-FI main relay connector FUEL PUMP fuse side terminal and fuel pump side terminal. See L - WIRING DIAGRAMS article. 3. Turn ignition switch on. Using a voltmeter connected to ground, check for battery voltage at fuel pump harness side connector. See L - WIRING DIAGRAMS article. If battery voltage is not present, check harness between fuel pump and FUEL PUMP fuse. Repair as necessary. If battery voltage is present, check fuel pump ground. Repair as necessary. If ground is okay, replace fuel pump. PGM-FI MAIN RELAY NOTE: If engine starts and continues to operate, PGM-FI main relay is okay. On 3.5RL, if engine does not start and PGM-FI main relay is okay, check fuel pump relay and fuel pump resistor. See FUEL PUMP RELAY (3.5RL) and FUEL PUMP RESISTOR (3.5RL). Integra, 2.3CL, 2.5TL & 3.0CL 1. Remove PGM-FI relay, located under left side of instrument panel. Connect battery voltage to relay terminal No. 2. Connect terminal No. 1 to ground. See Fig Test for continuity between relay terminals No. 4 and 5. If continuity exists, go to next step. If continuity does not exist, 3. Connect battery voltage to relay terminal No. 5. Connect terminal No. 3 to ground. Test for continuity between relay terminals No. 6 and 7. If continuity exists, go to next step. If continuity does not exist, 4. Connect battery voltage to terminal No. 6. Connect terminal No. 1 to ground. Test for continuity between relay terminals No. 4 and 5. If continuity exists, relay is okay. If continuity does not exist, None Saturday, July 19, :30:40 PM Page Mitchell Repair Information Company, LLC.
2 Fig. 1: PGM-FI Relay Terminals (Integra, 2.3CL, 2.5TL & 3.0CL) Courtesy of AMERICAN HONDA MOTOR CO., INC. 3.2TL & 3.5RL
3 1. Remove PGM-FI main relay located under left side of instrument panel. Connect battery voltage to relay terminal No. 4. Connect terminal No. 8 to ground. See Fig Test for continuity between relay terminals No. 5 and 7. If continuity exists, go to next step. If continuity does not exist, 3. Connect battery voltage to relay terminal No. 6. Connect terminal No. 2 to ground. Test for continuity between relay terminals No. 1 and 3. If continuity exists, go to next step. If continuity does not exist, 4. Connect battery voltage to relay terminal No. 3. Connect terminal No. 8 to ground. Test for continuity between relay terminals No. 5 and 7. If continuity exists, relay is okay. If continuity does not exist,
4 Fig. 2: PGM-FI Relay Terminals (3.2TL & 3.5RL) Courtesy of AMERICAN HONDA MOTOR CO., INC. FUEL PUMP RELAY (3.5RL)
5 1. Fuel pump relay is located in the front of the trunk. Turn ignition switch to START position. If engine starts, go to next step. If engine does not start, go to FUEL PUMP RESISTOR (3.5RL). 2. Turn engine off and ignition on. Measure voltage between ground and PCM 12-pin connector terminal No. 4 (Green wire). If battery voltage is present, go to next step. If battery voltage is not present, go to step 4). 3. Start engine and run at 3000 RPM with no loads and transmission in Park or Neutral, until radiator fan comes on. Allow engine to idle for at least one minute. Turn engine off. Disconnect vacuum hose No. 21 from vacuum manifold. Apply 8-12 in. Hg (27-40 kpa) vacuum to Manifold Absolute Pressure (MAP) sensor. Start engine and run at 6500 RPM with no loads and transmission in Park or Neutral. Measure voltage between ground and PCM 12-pin connector terminal No. 4 (Green wire). If less than one volt is present, fuel pump relay circuit is okay. If one volt or more is present, substitute a known good PCM, then recheck. If symptom or indication goes away, replace original PCM. CAUTION: In the next step PCM will be damaged if PCM 26-pin connector is not disconnected. 4. Turn ignition off. Disconnect PCM 26-pin and 12-pin connectors. Disconnect fuel pump relay 4-pin connector. Using a fused jumper wire, connect fuel pump relay connector terminals No. 2 (Red/White wire) and No. 4 (Green wire). Turn ignition on. Measure voltage between ground and PCM 12-pin connector terminal No. 4 (Green wire). If battery voltage is not present, go to next step. If battery voltage is present, replace fuel pump relay. 5. Remove jumper wire. Measure voltage between ground and fuel pump relay 4-pin connector terminal No. 2 (Red/White wire). If battery voltage is present, repair open or short in Green wire between PCM and fuel pump relay. If battery voltage is not present, repair open in Red/White wire between fuel pump relay and FUEL PUMP fuse No. 22 (20-amp), located in underdash fuse/relay box. FUEL PUMP RESISTOR (3.5RL) 1. Fuel pump resistor is located in the left corner of the trunk. Disconnect fuel pump resistor 2-pin connector. Turn ignition on and measure voltage between ground and fuel pump resistor connector terminal No. 2 (Yellow wire) within 2 seconds. If battery voltage is present for 2 seconds after ignition is turned on, go to next step. If battery voltage is not present as specified, check PGM-FI relay. See PGM- FI MAIN RELAY. 2. Turn ignition off. Using a jumper wire, connect fuel pump resistor connector terminals No. 1 (Black/Yellow wire) and No. 2 (Yellow wire). Turn ignition switch to START position. If engine does not start, go to next step. If engine starts, replace fuel pump resistor. 3. Turn ignition off. Disconnect fuel unit sub-harness Gray, 10-pin connector located in front of trunk, above fuel pump access panel, next to Gray, 20-pin connector. Turn ignition on and measure voltage between ground and sub-harness connector terminal No. 7 (Black/Yellow wire) within 2 seconds. If battery voltage is present for 2 seconds after ignition is turned on, check fuel pump. If battery voltage is present as specified, repair open in Black/Yellow wire between fuel pump resistor and fuel pump.
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2004 Scion xa. PARKING LIGHTS (+) GREEN At Harness On Top Of Fuse Box DOOR TRIGGER (-) RED/WHITE In 9-Pin On Top Of Fuse Box
ALARM REMOTE START WIRING WIRE COLOR LOCATION 12V CONSTANT WIRE WHITE/BLUE and Ignition Harness WHITE/RED STARTER WIRE BLACK Ignition Harness 12V IGNITION WIRE BLACK/RED Ignition Harness SECOND IGNITION
2005 Honda Civic DX. Information marked with an asterisk (*) applies to the D17A2 engine.
DTC P0135: PRIMARY HO2S (SENSOR 1) HEATER CIRCUIT MALFUNCTION NOTE: Information marked with an asterisk (*) applies to the D17A2 engine. 1. Reset the ECM/PCM (see HOW TO RESET THE ECM/PCM ). 2. Start the
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ELECTRICAL COMPONENT LOCATOR Article Text 1989 Toyota MR2 For RSe 7 HotRod Lane C'Ville VA 22901 Copyright 1997 Mitchell International Monday, May 20, 2002 12:36AM ARTICLE BEGINNING 1989 TOYOTA MR2 Electrical
2005 ODYSSEY - Front Door Panel Removal/Installation
2005 ODYSSEY - Front Door Panel Removal/Installation Special Tools Required KTC trim tool set SOJATP2014 Trim pad remover, Snap-on A 177A or equivalent, commercially available NOTE: Use the appropriate
DESCRIPTION & OPERATION
CRUISE CONTROL SYSTEM 1997 ACCESSORIES/SAFETY EQUIP General Motors Corp. - Cruise Control System DESCRIPTION & OPERATION WARNING: To avoid injury from accidental air bag deployment, read and carefully
GRD502-B Flow Chart 02/05/09
PINPOINT TEST A: NO PROVE OUT OF ANY LEDs prove out (all LED's light up) of the LED's when module power is applied or module "wakes up", indicates that: - the Guardian module does not have power. - the
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----- - - -- - - -- - -- - - NOTE: #32 WIRE DOES NOT APPLY TO 8 AND 14 CIRCUIT HARNESSES ELECTRIC FAN #1 TO FAN SWITCH (GRAY) #21 TEMP. GAUGE (GREEN) #2 TO AC SWITCH (BLACK) JUMPER WIRE ALTERNATORS
ELECTRONIC FUEL INJECTION
Table of Contents ELECTRONIC FUEL INJECTION Section 3B - Troubleshooting and Diagnostics TROUBLESHOOTING AND DIAGNOSTICS Specifications........................... 3B-1 Special Tools...........................
D - ADJUSTMENTS - 4-CYL
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Mazda Reference MA014
Subject: Fuel system pressure testing for fuel injected engines Symptom: Hard starting cold, power loss climbing hills, overall poor performance, engine surges and then stops running Source: Mazda service
DESCRIPTION & OPERATION
DESCRIPTION & OPERATION HEATER SYSTEM 1997 Heater System WARNING: To avoid injury from accidental air bag deployment, read and follow all SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM procedures
DTC P1259: VTEC System Malfunction. Special Tools Required
DTC P1259: VTEC System Malfunction Special Tools Required Pressure gauge adapter 07NAJ-P07010A A/T low pressure gauge w/panel 07406-0070300 A/T pressure hose 07406-0020201 A/T pressure hose, 2,210 mm 07MAJ-PY4011A
7. Remove the starter motor. Refer to Starter Motor Replacement (2.2L) or Starter Motor Replacement (4.3L).
1 of 9 1/5/2013 6:40 PM Removal Procedure 1. Disconnect the battery negative cable. Refer to Battery Replacement. 2. Remove the hood. Refer to Hood Replacement. 3. If the vehicle is equipped with a manual
Volkswagen Cabriolet DIY Guide Relay/Fuse Diagrams & Electrical System
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2001 CIVIC - Immobilizer System Troubleshooting
Page 1 of 5 2001 CIVIC - Immobilizer System Troubleshooting 1. Turn the ignition switch ON (II) with a programmed key. 2. Check to see if the immobilizer indicator comes on. Does the indicator come on?
MR2 COMPONENT LOCATOR CHART ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ MISCELLANEOUS COMPONENTS
ELECTRICAL COMPONENT LOCATOR Article Text 1986 Toyota MR2 For RSe 7 HotRod Lane C'Ville VA 22901 Copyright 1997 Mitchell International Sunday, May 19, 2002 11:16PM ARTICLE BEGINNING 1986 Toyota MR2 ELECTRICAL
2004 Acura TSX. Fig. 1: Dash Lights Brightness Controller Wiring Diagram
Fig. 1: Dash Lights Brightness Controller Wiring Diagram Tuesday, March 11, 2008 10:57:55 PM Page 2 TURN SIGNAL/HAZARD FLASHER COMPONENT LOCATION INDEX Fig. 2: Locating Turn Signal/Hazard Flasher Components