Check for continuity between appropriate ignition coil 3P connector terminal No. 1 and the appropriate ECM/PCM connector terminal of the problem cylinder (see table).
Is DTC P0351, P0352, P0353, and/or P0354 indicated?
YES
-
Check for poor connections or loose terminals at the ignition coil and the ECM/PCM, then go to
Step 1
. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO
-
Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■
Is DTC P0351, P0352, P0353, and/or P0354 indicated?
YES
-
Check for poor connections or loose terminals at the ignition coil and the ECM/PCM. If the ECM/PCM was updated,
substitute a known-good 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.
If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■