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Home >> Acura >> 2012 >> TL Base >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0351: No. 1 Cylinder Ignition Coil Circuit Malfunction; DTC P0352: No. 2 Cylinder Ignition Coil Circuit Malfunction; DTC P0353: No. 3 Cylinder Ignition Coil Circuit Malfunction; DTC P0354: No. 4 Cylinder Ignition Coil Circuit Malfunction; DTC P0355: No. 5 Cylinder Ignition Coil Circuit Malfunction; DTC P0356: No. 6 Cylinder Ignition Coil Circuit Malfunction

DTC P0351: No. 1 Cylinder Ignition Coil Circuit Malfunction; DTC P0352: No. 2 Cylinder Ignition Coil Circuit Malfunction; DTC P0353: No. 3 Cylinder Ignition Coil Circuit Malfunction; DTC P0354: No. 4 Cylinder Ignition Coil Circuit Malfunction; DTC P0355: No. 5 Cylinder Ignition Coil Circuit Malfunction; DTC P0356: No. 6 Cylinder Ignition Coil Circuit 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), or press the engine start/stop button to select the ON mode.
  2. Clear the DTC with the HDS.
  3. Start the engine.
  4. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0351, P0352, P0353, P0354, P0355, and/or P0356 indicated? 

    YES  - Go to step 5.

    NO  - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the ignition coil(s) and the ECM/PCM. ■

  5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
  6. Exchange the ignition coil from the problem cylinder with one from another cylinder.
  7. Start the engine.
  8. Check for Pending or Confirmed DTCs with the HDS.

    Is an ignition coil DTC indicated at the exchanged cylinder? 

    YES  - Replace the faulty ignition coil (see IGNITION COIL AND SPARK PLUG REMOVAL/INSTALLATION ), then go to step  27.

    NO  - Go to step 9.

  9. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
  10. Check the No. 13 IG COIL (15 A) fuse in the under-hood fuse/relay box.

    Is the fuse OK? 

    YES  - Go to step 11.

    NO  - Go to step  13.

  11. Remove the ignition coil relay (A) from the under-hood fuse/relay box.
    Fig 1: Identifying Ignition Relay Coil
    G08069406Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Test the ignition coil relay (see POWER RELAY TEST ).

    Is the relay OK? 

    YES  - Go to step  16.

    NO  - Replace the ignition coil relay, then go to step  26.

  13. Remove the ignition coil relay (A) from the under-hood fuse/relay box.
    Fig 2: Identifying Ignition Coil Relay
    G08069407Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Disconnect all ignition coil 3P connectors.
  15. Check for continuity between No. 1 ignition coil 3P connector terminal No. 3 and body ground.
    Fig 3: Checking Continuity Between No. 1 Ignition Coil 3P Connector Terminal No. 3 And Body Ground
    G08069408Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  - Repair short in the wire between the ignition coils and the ignition coil relay. Also replace the No. 13 IG COIL (15 A) fuse, then go to step  26.

    NO  - Check the under-hood fuse/relay box, and replace it if needed (see REMOVAL AND INSTALLATION ), then go to step  26.

  16. Reinstall the ignition coil relay.
  17. Disconnect the ignition coil 3P connector from the problem cylinder.
  18. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
  19. Measure the voltage between ignition coil 3P connector terminal No. 3 of the problem cylinder and body ground (see table).
    PROBLEM CYLINDER DTC
    No. 1 P0351
    No. 2 P0352
    No. 3 P0353
    No. 4 P0354
    No. 5 P0355
    No. 6 P0356
    Fig 4: Measuring Voltage Between Ignition Coil 3P Connector Of Problem Cylinder And Body Ground
    G08069409Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage? 

    YES  - Go to step 20.

    NO  - Repair open in the wire between the ignition coil and the ignition coil relay, then go to step  26.

  20. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
  21. Check for continuity between ignition coil 3P connector terminal No. 2 of the problem cylinder and body ground (see table).
    PROBLEM CYLINDER DTC
    No. 1 P0351
    No. 2 P0352
    No. 3 P0353
    No. 4 P0354
    No. 5 P0355
    No. 6 P0356
    Fig 5: Checking Continuity Between Ignition Coil 3P Connector Of Problem Cylinder And Body Ground
    G08069410Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  - Go to step 22.

    NO  - Repair open in the wire between the ignition coil and G101; M/T (see CONNECTOR TO FUSE/RELAY BOX INDEX ), A/T (see CONNECTOR TO FUSE/RELAY BOX INDEX ), then go to step  26.

  22. Jump the SCS line with the HDS.
  23. Disconnect ECM/PCM connector B (49P).
  24. Check for continuity between body ground and the appropriate ECM/PCM connector terminal (see table).
    PROBLEM CYLINDER DTC ECM/PCM TERMINAL WIRE COLOR
    No. 1 P0351 B29 YEL/GRN
    No. 2 P0352 B30 BLU/RED
    No. 3 P0353 B22 WHT/BLU
    No. 4 P0354 B23 BRN
    No. 5 P0355 B11 BLK/RED
    No. 6 P0356 B12 BRN/WHT
    Fig 6: Checking Continuity Between Body Ground And Appropriate ECM/PCM Connector Terminal
    G08069411Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  - Repair short in the wire between the ECM/PCM and the ignition coil, then go to step  26.

    NO  - Go to step 25.

  25. Check for continuity between appropriate ignition coil 3P connector terminal No. 1 and the ECM/PCM connector terminal of the problem cylinder (see table).
    PROBLEM CYLINDER DTC ECM/PCM TERMINAL WIRE COLOR
    No. 1 P0351 B29 YEL/GRN
    No. 2 P0352 B30 BLU/RED
    No. 3 P0353 B22 WHT/BLU
    No. 4 P0354 B23 BRN
    No. 5 P0355 B11 BLK/RED
    No. 6 P0356 B12 BRN/WHT
    Fig 7: Checking Continuity Between Appropriate Ignition Coil 3P Connector And ECM/PCM Connector
    G08069412Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 8: Checking Continuity Between Appropriate Ignition Coil 3P Connector And ECM/PCM Connector
    G08069413Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  - Go to step  32.

    NO  - Repair open in the wire between the ECM/PCM and the ignition coil, then go to step 26.

  26. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
  27. Reconnect all connectors.
  28. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
  29. Reset the ECM/PCM with the HDS.
  30. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
  31. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0351, P0352, P0353, P0354, P0355, and/or P0356 indicated? 

    YES  - Check for poor connections or loose terminals at the ignition coil(s) and the ECM/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. ■

  32. Reconnect all connectors.
  33. Update the ECM/PCM  if it does not have the latest software (see ECM/PCM Update ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ).
  34. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0351, P0352, P0353, P0354, P0355, and/or P0356 indicated? 

    YES  - Check for poor connections or loose terminals at the ignition coil(s) and the ECM/PCM. If the ECM/PCM was updated, substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the ECM/PCM was substituted, go to step  1.

    NO  - --If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM  (see ECM/PCM Replacement ). If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting. ■

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