DTC Troubleshooting: P0351 (71), P0352 (72), P0353 (73), P0354 (74)
  1. Check for continuity between appropriate ignition coil 3P connector terminal No. 1 and the appropriate ECM connector terminal of the problem cylinder (see table).
    PROBLEM CYLINDER
    DTC
    ECM TERMINAL
    WIRE COLOR
    No. 1
    P0351
    C15
    YEL/GRN
    No. 2
    P0352
    C16
    BLU/RED
    No. 3
    P0353
    C17
    WHT/BLU
    No. 4
    P0354
    C18
    BRN

Is there continuity?
YES -
Go to Step 31 .
NO -
Repair open in the wire between the ECM and the ignition coil, then go to Step 25 .
  1. Turn the ignition switch OFF.
  1. Reconnect all connectors and the battery.
  1. Turn the ignition switch ON (II).
  1. Reset the ECM with the HDS.
  1. Do the ECM idle learn procedure.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0351, P0352, P0353, and/or P0354 indicated?
YES -
Check for poor connections or loose terminals at the ignition coil, the under-hood fuse/relay box, and the ECM, then go to Step 1 .
NO -
Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■
  1. Reconnect all connectors.
  1. Update the ECM if it does not have the latest software, or substitute a known-good ECM.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0351, P0352, P0353, and/or P0354 indicated?
YES -
Check for poor connections or loose terminals at the ignition coil, the under-hood fuse/relay box, and the ECM. If the ECM was updated, substitute a known-good ECM, then recheck. If the ECM was substituted, go to Step 1 .
NO -
If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■