P0354

Test 1 - 2:

Test 3 - 7:

SYMPTOM
P0354-IGNITION COIL # 4 PRIMARY CIRCUIT

TEST NOTE
This symptom is diagnosed using the test P0351-IGNITION COIL # 1 PRIMARY CIRCUIT.

WHEN MONITORED
With battery voltage greater than 8 volts during engine cranking or greater than 12 volts with engine running, engine rpm less than 2016, and none of the coils in dwell when checked.

SET CONDITION
Peak current is not achieved with battery based dwell plus 1.5 msec of diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while running to set.

POSSIBLE CAUSES
- Good trip equal to zero
- (A142) ASD relay output circuit
- Ignition coil resistance
- Ignition coil
- Ignition coil control circuit open
- Ignition coil control circuit shorted to ground
- PCM