Pgm-Fi System (V6): Diagnosis Honda Crosstour I

DTC P050A: Cold Start Idle Air Control System Performance Problem

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+).

1. Turn the ignition switch to ON (II).
2. Check for Pending or Confirmed DTCs with the HAS. Are any Pending or Confirmed DTCs other than P050A indicated? YES -Go to the indicated DTC's troubleshooting. NO -Go to next step.
3. Check for blockage or incorrect installation of the intake air duct. Is it OK? YES -Go to next step. NO -Reconnect or repair the intake air duct, then go to step 19 .
4. Check for damage at the air cleaner housing. Is It OK? YES -Go to next step. NO -Replace the air cleaner housing (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(ref-360066-S42288736582010042600000) (+) then go to step 19 .
5. Check for dirt or debris in the air cleaner element. Is it dirty? YES -Replace the air cleaner element or remove the debris (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(ref-360066-S42288736582010042600000) (+) then go to step 19 . NO -Go to next step.
6. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
7. Clear the DTC with the HAS.
8. Start the engine, and let it idle for 10 seconds or more.
9. Monitor the OBD STATUS for DTC P050A in the DTCs MENU with the HAS. Does the HAS indicate FAILED? YES -Go to next step. NO -If the HAS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor, and the PCM. If the HAS indicates EXECUTING, keep idling until a result comes on. If the HAS indicates OUT OF CONDITION go to step 6 .
10. Do the ETCS TEST in the INSPECTION MENU with the HAS. Is the THROTTLE ACTUATOR CONTROL VALVE normal? YES -Go to next step. NO -Replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-360078-S26693253132010042600000) (+) then go to step 19 .
11. Start the engine. Hold the engine speed at 3,000 RPM without load (in P or N) until the radiator fan comes on, then let it idle.
12. While holding the engine speed at 2,500 RPM for 30 seconds, check the MAF SENSOR in the DATA LIST with the HAS. Is there about 9.1 - 12.9 GM/s? YES -Go to next step. NO -Replace the MAF sensor/IAT sensor (see «MAF SENSOR/IAT SENSOR REPLACEMENT»(ref-360080-S20771661482010042600000) (+) then go to step 19 .
13. Turn the ignition switch to LOCK (0).
14. Allow the engine to cool to the ambient temperature.
15. Note the ambient temperature.
16. Turn the ignition switch to ON (II).
17. Note the value of the IAT SENSOR quickly in the DATA LIST with the HAS.
18. Compare the value of the IAT SENSOR and the ambient temperature. Does the value of the IAT SENSOR differ 5.4 °F (3 °C) or more from the ambient temperature? YES -Replace the MAF sensor/IAT sensor (see «MAF SENSOR/IAT SENSOR REPLACEMENT»(ref-360080-S20771661482010042600000) (+) then go to next step. NO -Check for dirt, carbon, or damage in the throttle bore. If there is dirt or carbon, clean the throttle body (see «THROTTLE BODY CLEANING»(ref-360078-S36080991702010042600000) (+) then go to next step. If there is damage in the throttle bore, replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-360078-S26693253132010042600000) (+) then go to next step.
19. Turn the ignition switch to ON (II).
20. Reset the PCM with the HAS.
21. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-360079-S22847966492010042600000) (+).
22. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
23. Start the engine, and let it idle for 10 seconds or more.
24. Check for Pending or Confirmed DTCs with the HAS. Is DTC P050A indicated? YES -Check for poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor, and the PCM, then go to step 1 . NO -Go to next step.
25. Monitor the OBD STATUS for DTC P050A in the DTCs MENU with the HAS. Does the HAS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 24 , go to the indicated DTC's troubleshooting. NO -If the HAS indicates FAILED, check for poor connections or loose terminals at the throttle body, the MAF sensor/IAT sensor, and the PCM, then go to step 1 . If the HAS indicates EXECUTING, keep idling until a result comes on. If the HAS indicates OUT OF CONDITION or NOT COMPLETED, go to step 22 .

DTC P050B: Cold Start Ignition Timing Control System Performance Problem

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+).

1. Turn the ignition switch to ON (II).
2. Check for Pending or Confirmed DTCs with the HAS. Are any Pending or Confirmed DTCs other than P050B indicated? YES -Go to the indicated DTC's troubleshooting. NO -Go to next step.
3. Check for blockage or incorrect installation of the intake air duct. Is it OK? YES -Go to next step. NO -Reconnect or repair the intake air duct, then go to step 21 .
4. Check for damage at the air cleaner housing. Is it OK? YES -Go to next step. NO -Replace the air cleaner housing (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(ref-360066-S42288736582010042600000) (+) then go to step 21 .
5. Check for dirt or debris in the air cleaner element. Is it dirty? YES -Replace the air cleaner element or remove the debris (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(ref-360066-S42288736582010042600000) (+) then go to step 21 . NO -Go to next step.
6. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
7. Clear the DTC with the HAS.
8. Start the engine, and let it idle for 10 seconds or more.
9. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HAS. Does the HAS indicate FAILED? YES -Go to next step. NO -If the HAS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM. If the HAS indicates EXECUTING, keep idling until a result comes on. If the HAS indicates OUT OF CONDITION or NOT COMPLETED, go to step 6 .
10. Inspect the ignition timing (see «IGNITION TIMING INSPECTION»(ref-360070-S19486978802010042600000) (+). Is the ignition timing OK? YES -Go to step 12 . NO -Go to next step.
11. Check for damage at the CKP sensor (see «CKP SENSOR REPLACEMENT»(ref-360080-S10634021662010042600000) ) and the CKP sensor pulse plate (see «CKP PULSE PLATE REPLACEMENT»(ref-360094-S15051618382010042600000) (+). Is the CKP sensor and/or the CKP sensor pulse plate damaged? YES -Replace the CKP sensor (see «CKP SENSOR REPLACEMENT»(ref-360080-S10634021662010042600000) ) and/or the CKP sensor pulse plate (see «CKP PULSE PLATE REPLACEMENT»(ref-360094-S15051618382010042600000) (+) then go to step 21 . NO -Go to step 25 .
12. Do the ETCS TEST in the INSPECTION MENU with the HAS. Is the THROTTLE ACTUATOR CONTROL VALVE normal? YES -Go to next step. NO -Replace the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-360078-S26693253132010042600000) (+) then go to step 21 .
13. Start the engine. Hold the engine speed at 3,000 RPM without load (in P or N) until the radiator fan comes on, then let it idle.
14. While holding the engine speed at 2,500 RPM for 30 seconds, check the MAF SENSOR in the DATA LIST with the HAS. Is there about 9.1 - 12.9 GM/s? YES -Go to next step. NO -Replace the MAF sensor/IAT sensor (see «MAF SENSOR/IAT SENSOR REPLACEMENT»(ref-360080-S20771661482010042600000) (+) then go to step 21 .
15. Turn the ignition switch to LOCK (0).
16. Allow ECT sensor 1 and ECT sensor 2 to cool to the ambient temperature.
17. Note the ambient temperature.
18. Turn the ignition switch to ON (II).
19. Quickly note the value of ETC SENSOR 1 and ECT SENSOR 2 in the DATA LIST with the HAS.
20. Compare the value of ECT SENSOR 1 and the ambient temperature, and the value of ECT SENSOR 2 and the ambient temperature individually. Does either sensor differ more than 5.4 °F (3 °C) from the ambient temperature? YES -Replace the sensor that differed more than 5.4 °F (3 °C) from the ambient temperature, then go to 24 . NO -Check and repair any problems with the following items. Repair or replace them if needed, then go to 24 . If all of the items are OK, go to step 28 . Engine compression and cylinder leakdown VTEC system Engine oil A/C system Power steering
21. Turn the ignition switch to ON (II).
22. Reset the PCM with the HAS.
23. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-360079-S22847966492010042600000) (+).
24. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
25. Start the engine, and let it idle for 10 seconds or more.
26. Check for Pending or Confirmed DTCs with the HAS. Is DTC P050B indicated? YES -Check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM, then go to step 1 . NO -Go to next step.
27. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HAS. Does the HAS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 26 , go to the indicated DTC's troubleshooting. NO -If the HAS indicates FAILED, check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM, then go to step 1 . If the HAS indicates EXECUTING, keep idling until a result comes on. If the HAS indicates Out OF CONDITION or NOT COMPLETED, go to step 24 .
28. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+).
29. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-360079-S22847966492010042600000) (+).
30. Let the engine cool until the value of ECT SENSOR 1 is 122°F (50°C) or less.
31. Start the engine, and let it idle for 10 seconds or more.
32. Check for Pending or Confirmed DTCs with the HAS. Is DTC P050B indicated? YES -Check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then go to step 30 . If the PCM was substituted, go to step 1 . NO -Go to next step.
33. Monitor the OBD STATUS for DTC P050B in the DTCs MENU with the HAS. Does the HAS indicate PASSED? YES -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). If any other Pending or Confirmed DTCs were indicated in step 32 , go to the indicated DTC's troubleshooting. NO -If the HAS indicates FAILED, check for poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor/IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then go to step 30 . If the PCM was substituted, go to step 1 . If the HAS indicates EXECUTING, keep idling until a result comes on. If the HAS indicates OUT OF CONDITION or NOT COMPLETED, go to step 30 .

DTC P060A: PCM Internal Control Module Malfunction

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+).

1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HAS.
3. Check for Pending or Confirmed DTCs with the HAS. Is DTC P060A indicated? YES -Go to next step. NO -Intermittent failure, the system is OK at this time.
4. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+).
5. Check for Pending or Confirmed DTCs with the HAS. Is DTC P060A indicated? YES -If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the PCM was substituted, go to step 1 . NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

DTC P062F: PCM Internal Control Module Keep Alive Memory (KAM) Error

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+).

1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HAS.
3. Check for Pending or Confirmed DTCs with the HAS. Is DTC P062F indicated? YES -Go to next step. NO -Intermittent failure, the system is OK at this time.
4. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+).
5. Check for Pending or Confirmed DTCs with the HAS. Is DTC P062F indicated? YES -If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the PCM was substituted, go to step 1 . NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

DTC P16BB: Alternator B Terminal Circuit Low Voltage

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+).

1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HAS.
3. Start the engine.
4. Check under these conditions: A/C on Temperature control at maximum cool Blower fan at maximum speed Headlights on high beam Rear window defogger on
5. Hold the engine speed at 2,000 RPM (in P or N) for 1 minute.
6. Check for Pending or Confirmed DTCs with the HAS. Is DTC P16BB indicated? YES -Go to next step. NO -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the alternator and the under-hood fuse/relay box. Also check the battery performance (see «BATTERY TEST»(ref-360074-S18632198282010042600000) (+).
7. Check for poor connections or loose terminals at the alternator and the under-hood fuse/relay box (+B line). Are the connections and terminals OK? YES -Go to next step. NO -Repair the connections or the terminals, then go to step 9 .
8. Check for an open in the wire between the alternator and the under-hood fuse/relay box at the engine harness. Is the harness OK? YES -Replace the alternator (see «DRIVE BELT AUTO-TENSIONER AIR BLEEDING»(ref-360069-S30326291402010042600000) (+) then go to next step. NO -Repair an open in the wire between the alternator and the under-hood fuse/relay box, then go to next step.
9. Turn the ignition switch to ON (II).
10. Reset the PCM with the HAS.
11. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-360079-S22847966492010042600000) (+).
12. Start the engine.
13. Check under these conditions: A/C on Temperature control at maximum cool Blower fan at maximum speed Headlights on high beam Rear window defogger on
14. Hold the engine speed at 2,000 RPM (in P or N) for 1 minute.
15. Check for Pending or Confirmed DTCs with the HAS. Is DTC P16BB indicated? YES -Check for poor connections or loose terminals at the alternator and the under-hood fuse/relay box, then go to step 1 . NO -Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

DTC P16BC: Alternator FR Terminal Circuit/IGP Circuit Low Voltage

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+).

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1. Check for poor connections or loose terminals at the alternator 4P connector. Are the connections and terminals OK? YES -Go to next step. NO -Repair the connections or terminals, then go to step 18 .
2. Turn the ignition switch to ON (II).
3. Clear the DTC with the HAS.
4. Start the engine.
5. Check under these conditions: A/C on Temperature control at maximum cool Blower fan at maximum speed Headlights on high beam Rear window defogger on
6. Hold the engine speed at 2,000 RPM (in P or N) for 1 minute.
7. Check for Pending or Confirmed DTCs with the HAS. Is DTC P16BC indicated? YES -Go to next step. NO -Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the alternator.
8. Turn the ignition switch to LOCK (0).
9. Disconnect the alternator 4P connector.
10. Turn the ignition switch to ON (II).
11. Measure the voltage between alternator 4P connector terminal No. 2 and body ground. Is there battery voltage? YES -Go to next step. NO -Repair an open in the wire between the alternator (IG1 line) and the No. B7 ACG (15 A) fuse in the driver's under-dash fuse/relay box, then go to step 17 .
12. Measure the voltage between alternator 4P connector terminal No. 3 and body ground. Is there about 5 V? YES -Replace the alternator (see «DRIVE BELT AUTO-TENSIONER AIR BLEEDING»(ref-360069-S30326291402010042600000) (+) then go to step 17 . NO -Go to next step.
13. Turn the ignition switch to LOCK (0).
14. Jump the SCS line with the HAS.
15. Disconnect PCM connector C (49P).
16. Check for continuity between alternator 4P connector terminal No. 3 and PCM connector terminal C44. Is there continuity? YES -Go to step 26 . NO -Repair an open in the wire between the PCM (C44) and the alternator, then go to step 18 .
17. Turn the ignition switch to LOCK (0).
18. Reconnect all connectors.
19. Turn the ignition switch to ON (II).
20. Reset the PCM with the HAS.
21. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-360079-S22847966492010042600000) (+).
22. Start the engine.
23. Check under these conditions: A/C on Temperature control at maximum cool Blower fan at maximum speed Headlights on high beam Rear window defogger on
24. Hold the engine speed at 2,000 RPM (in P or N) for 1 minute.
25. Check for Pending or Confirmed DTCs with the HAS. Is DTC P16BC indicated? YES -Check for poor connections or loose terminals at the alternator and the PCM, then go to step 1 . NO -Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.
26. Reconnect all connectors.
27. Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+).
28. Start the engine.
29. Check under these conditions: A/C on Temperature control at maximum cool Blower fan at maximum speed Headlights on high beam Rear window defogger on
30. Hold the engine speed at 2,000 RPM (in P or N) for 1 minute.
31. Check for Pending or Confirmed DTCs with the HAS. Is DTC P16BC indicated? YES -Check for poor connections or loose terminals at the alternator and the PCM. If the PCM was updated, substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then go to step 28 . If the PCM was substituted, go to step 1 . NO -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

DTC P2A00: Rear A/F Sensor (Bank 1, Sensor 1) Circuit Range/Performance Problem; DTC P2A03: Front A/F Sensor (Bank 2, Sensor 1) Circuit Range/Performance Problem

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION (+). Information marked with an asterisk (*) applies to the front bank (Bank 2).

1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HAS.
3. Start the engine. Hold the engine speed at 3,000 RPM without load (in P or N) until the radiator fan comes on, then let it idle.
4. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1) above 158 °F (70 °C) Transmission in D Vehicle speed between 25 - 55 mph (40 - 88 km/h) for 5 minutes Drive at a steady speed between 55 - 75 mph (88 - 120 km/h) for 10 seconds, then decelerate (with the throttle fully closed) for 8 seconds
5. Monitor the OBD STATUS for DTC P2A00 and/or P2A03* in the DTCs MENU with the HAS. Does the HAS indicate FAILED? YES -Go to next step. NO -If the HAS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM. If the HAS indicates EXECUTING, keep driving until a result comes on. If the HAS indicates OUT OF CONDITION or NOT COMPLETED, go to step 3 and recheck.
6. Turn the ignition switch to LOCK (0).
7. Replace the A/F sensor (Sensor 1) (see «A/F SENSOR REPLACEMENT»(ref-360080-S01914273662010042600000) (+).
8. Turn the ignition switch to ON (II).
9. Reset the PCM with the HAS.
10. Do the PCM idle learn procedure (see «PCM IDLE LEARN PROCEDURE»(ref-360079-S22847966492010042600000) (+).
11. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C) Transmission in D Vehicle speed between 25 - 55 mph (40 - 88 km/h) for 5 minutes Drive at a steady speed between 55 - 75 mph (88 - 120 km/h) for 10 seconds, then decelerate (with the throttle fully closed) for 8 seconds
12. Check for Pending or Confirmed DTCs with the HAS. Is DTC P2A00 and/or P2A03* indicated? YES -Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step 1 . NO -Go to next step.
13. Monitor the OBD STATUS for DTC P2A00 and/or P2A03* in the DTCs MENU with the HAS. Does the HAS indicate PASSED? YES -Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 12 , go to the indicated DTC's troubleshooting. NO -If the HAS indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then go to step 1 . If the HAS indicates EXECUTING, keep driving until a result comes on. If the HAS indicates OUT OF CONDITION or NOT COMPLETED, go to step 11 .

Scheme 409

1. Turn the ignition switch to ON (II).
2. Do the gauge self-diagnostic function (see «SELF-DIAGNOSTIC FUNCTION»(ref-360081-S05232586632010042600000) (+). Does the MIL flash? YES -Go to next step. NO -Substitute a known-good gauge control module, and recheck. If the symptom/indication goes away with a known-good gauge control module, replace the original gauge control module (see «GAUGE CONTROL MODULE REPLACEMENT»(ref-360081-S32262066982010042600000) (+).
3. Connect the HAS to the DLC (see «GENERAL TROUBLESHOOTING INFORMATION»(ref-360056-S00009700302010042600000) (+).
4. Check the SCS in the DATA LIST with the HAS. Is a short Indicated? YES -Go to next step. NO -Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+).
5. Turn the ignition switch to LOCK (0).
6. Disconnect PCM connector A (49P), then disconnect the HAS.
7. Check for continuity between PCM connector terminal A32 and body ground. Is there continuity? YES -Repair a short in the wire between the PCM (A32) and the DLC. NO -Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+).

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1. Check the No. A3-1 IG MAIN (50 A) fuse in the under-hood fuse/relay box. Is the fuse OK? YES -Repair an open in the wire between the No. A3-1 IG MAIN (50 A) fuse and the ignition switch. If the wire is OK, go to next step. NO -Repair a short in the wire between the No. A3-1 IG MAIN (50 A) fuse and the ignition switch. Also replace the No. A3-1 IG MAIN (50 A) fuse.
2. Inspect the No. A17 Fl MAIN (15 A) fuse in the under-hood fuse/relay box. Is the fuse OK? YES -Go to step 9 . NO -Go to next step.
3. Remove the blown No. A17 Fl MAIN (15 A) fuse from the under-hood fuse/relay box.
4. Remove PGM-FI main relay 1 (A) from the under-hood fuse/relay box.
5. Check for continuity between body ground and PGM-FI main relay 1 4P connector terminals No. 1 and No. 3 individually. Is there continuity? YES -Replace the under-hood fuse/relay box (see «REMOVAL AND INSTALLATION»(ref-360093-S12727909432010042600000) (+). Also replace the No. A17 Fl MAIN (15 A) fuse. NO -Go to next step.
6. While disconnecting each of the parts or connectors below, one at a time, check for continuity between PGM-FI main relay 1 4P connector terminal No. 2 and body ground: PGM-FI main relay 2 PCM connector B (49P) Each injector 2P connector Camshaft position (CMP) sensor 3P connector Crankshaft position (CKP) sensor 3P connector MAF sensor/IAT sensor up connector Electronic throttle control system (ETCS) control relay Does continuity go away when one of the above parts or connectors is disconnected? YES -Replace the part that made the short to body ground go away when disconnected. If the part is the PCM, update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). Also replace the No. A17 Fl MAIN (15 A) fuse. NO -Go to next step.
7. Disconnect the connectors from these components: PGM-FI main relay 2 PCM connector B (49P) Injectors Camshaft position (CMP) sensor Crankshaft position (CKP) sensor MAF sensor/IAT sensor Electronic throttle control system (ETCS) control relay
8. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 2 and body ground. Is there continuity? YES -Repair a short in the wire between PGM-FI main relay 1 and each part. Also replace the No. A17 Fl MAIN (15 A) fuse. NO -Replace PGM-FI main relay 1. Also replace the No. A17 Fl MAIN (15 A) fuse.
9. Inspect the No. B9 FUEL PUMP (20 A) fuse in the driver's under-dash fuse/relay box. Is the fuse OK? YES -Go to step 21 . NO -Go to next step.
10. Remove the blown No. B9 FUEL PUMP (20 A) fuse from the driver's under-dash fuse/relay box.
11. Remove PGM-FI main relay 2 (A) from the driver's under-dash fuse/relay box.
12. Test PGM-FI main relay 2 (see «POWER RELAY TEST»(ref-360075-S10513756052010042600000) (+). Is the relay OK? YES -Go to next step. NO -Replace PGM-FI main relay 2. Also replace the No. B9 FUEL PUMP (20 A) fuse.
13. Check for continuity between PGM-FI main relay 2 4P connector terminal No. 2 and body ground. Is there continuity? YES -Go to next step. NO -Go to step 17 .
14. Jump the SCS line with the HAS.
15. Disconnect PCM connector B (49P).
16. Check for continuity between PCM connector terminal B42 and body ground. Is there continuity? YES -Repair a short in the wire between the No. B9 FUEL PUMP (20 A) fuse and the PCM (B42), between the No. B9 FUEL PUMP (20 A) fuse and PGM-FI main relay 2, or between the No. B9 FUEL PUMP (20 A) fuse and the immobilizer control unit. Also replace the No. B9 FUEL PUMP (20 A) fuse. NO -Replace the No. B9 FUEL PUMP (20 A) fuse, and update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+).
17. Remove the rear seat cushion (see «REAR SEAT REMOVAL/INSTALLATION»(ref-360101-S08204536602010042600000) (+).
18. Remove the access panel from the floor (see «FUEL TANK UNIT REMOVAL AND INSTALLATION»(ref-360067-S30509578512010042600000) (+).
19. Disconnect the fuel pump 4P connector.
20. Check for continuity between fuel pump 4P connector terminal No. 1 and body ground. Is there continuity? YES -Repair a short in the wire between the fuel pump and PGM-FI main relay 2. Also replace the No. B9 FUEL PUMP (20 A) fuse. NO -Check the fuel pump, and replace it if needed (see «FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT»(ref-360067-S13422340902010042600000) (+). Also replace the No. B9 FUEL PUMP (20 A) fuse.
21. Jump the SCS line with the HAS.
22. Disconnect PCM connectors A (49P) and B (49P).
23. Turn the ignition switch to ON (II).
24. Measure the voltage between PCM connector terminal B42 and body ground. Is there battery voltage? YES -Go to next step. NO -Repair an open in the wire between the No. B9 FUEL PUMP (20 A) fuse and the PCM (B42).
25. Measure the voltage between PCM connector terminal A6 and body ground. Is there battery voltage? YES -Go to step 30 . NO -Go to next step.
26. Turn the ignition switch to LOCK (0).
27. Remove PGM-FI main relay 1 (A) from the under-hood fuse/relay box.
28. Measure the voltage between PGM-FI main relay 1 4P connector terminal No. 3 and body ground. Is there battery voltage? YES -Go to next step. NO -Replace the under-hood fuse/relay box (see «REMOVAL AND INSTALLATION»(ref-360093-S12727909432010042600000) (+).
29. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 4 and PCM connector terminal A6. Is there continuity? YES -Test PGM-FI main relay 1 (see «POWER RELAY TEST»(ref-360075-S10513756052010042600000) (+). If the relay is OK, update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). NO -Repair an open in the wire between the PCM (A6) and PGM-FI main relay 1.
30. Turn the ignition switch to LOCK (0).
31. Remove PGM-FI main relay 1 (A) from the under-hood fuse/relay box.
32. Measure the voltage between PGM-FI main relay 1 4P connector terminal No. 1 and body ground. Is there battery voltage? YES -Go to next step. NO -Replace the under-hood fuse/relay box (see «REMOVAL AND INSTALLATION»(ref-360093-S12727909432010042600000) (+).
33. Check for continuity between PGM-FI main relay 1 4P connector terminal No. 2 and PCM connector terminal B3. Is there continuity? YES -Go to next step. NO -Repair an open in the wire between the PCM (B3) and PGM-FI main relay 1.
34. Test PGM-FI main relay 1 (see «POWER RELAY TEST»(ref-360075-S10513756052010042600000) (+). Is PGM-FI main relay 1 OK? YES -Go to next step. NO -Replace PGM-FI main relay 1.
35. Disconnect PCM connectors A (49P), B (49P), and C (49P).
36. Check for continuity between body ground and PCM connector terminals A41, B1, B40, B41, C1, and C41 individually. Is there continuity? YES -Update the PCM if it does not have the latest software (see «PCM UPDATE»(ref-360080-S11980508702010042600000) (+) or substitute a known-good PCM (see «SUBSTITUTING THE PCM»(ref-360056-S32194616542010042600000) (+) then recheck. If the symptom/indication goes away and the PCM was updated, troubleshooting is complete. If the symptom/indication goes away and the PCM was substituted, replace the original PCM (see «PCM REPLACEMENT»(ref-360080-S27881728262010042600000) (+). NO -Repair an open in the wire(s) between the PCM (A41, B1, B40, B41, C1, C41) and body ground (G101) (see «KNOCK SENSOR SUBHARNESS (ED)»(ref-360100-S00915814052010042600000) (+).

Scheme 429

Scheme 430

1. Relieve the fuel pressure (see «FUEL PRESSURE RELIEVING»(ref-360067-S41893702602010042600000) (+).
2. Remove the intake manifold (see «REMOVAL»(ref-360066-S08435445072010042600000) (+).
3. Disconnect the quick-connect fitting (A): 2WD (see «2WD MODEL»(ref-360067-S15479247342010042600000) (+) 4WD (see «4WD MODEL»(ref-360067-S15404952152010042600000) (+).
4. Remove the fuel joint hose mounting bolt (B).
5. Disconnect the connectors (C) from the injectors.
6. Remove the fuel rail mounting bolts (D) from the fuel rails (E).
7. Remove the fuel rails and the injectors from the injector base.
8. Remove the injector clips (F) form the fuel rails.
9. Remove the injectors from the fuel rails.
10. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rails (C).
11. Install the injector clips (D).
12. Coat the new injector O-rings (green) (E) with clean engine oil.
13. Install the fuel rails and the injectors in the injector base (F).
14. Reinstall the fuel rail mounting bolts, and connect the connectors on the injectors.
15. Reinstall the fuel joint hose mounting bolt.
16. Connect the quick-connect fitting; 2WD model (see «FUEL LINE/QUICK-CONNECT FITTING INSTALLATION»(ref-360067-S27968493442010042600000) (+) 4WD model (see «4WD MODEL»(ref-360067-S09594694622010042600000) (+).
17. Turn the ignition switch to ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel rail will be pressurized. Repeat this two or three times, then make sure there are no fuel leaks.
18. Reinstall the intake manifold with a new gasket (see «INSTALLATION»(ref-360066-S07298263282010042600000) (+).

Scheme 431

1. Disconnect the MAP sensor connector (A).
2. Remove the screw (B).
3. Remove the MAP sensor (C).
4. Install the parts in the reverse order of removal with a new O-ring (D).

Scheme 432

1. Disconnect the MAF sensor/IAT senor up connector (A).
2. Remove the screw (B).
3. Remove the MAF sensor/IAT sensor (C).
4. Install the parts in the reverse order of removal with a new O-ring (D).

Scheme 433

1. Drain the engine coolant (see «COOLANT CHECK»(ref-360063-S27042747542010042600000) (+).
2. Remove the engine cover (see step 1 in «IGNITION COIL AND SPARK PLUG REMOVAL/INSTALLATION»(ref-360070-S19541928542010042600000) (+).
3. Disconnect the ECT sensor 1 2P connector (A).
4. Remove ECT sensor 1 (B).
5. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see «COOLANT CHECK»(ref-360063-S27042747542010042600000) (+).

Scheme 434

1. Remove the engine undercover (see «ENGINE UNDERCOVER REPLACEMENT»(ref-360102-S28217707452010042600000) (+).
2. Drain the engine coolant (see «COOLANT CHECK»(ref-360063-S27042747542010042600000) (+).
3. Disconnect the ECT sensor 2 2P connector (A).
4. Remove ECT sensor 2 (B).
5. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see «COOLANT CHECK»(ref-360063-S27042747542010042600000) (+).