P0354

Tests 758 - 762:

Tests 763 - 767:

SYMPTOM
P-0354 IGNITION COIL #4 PRIMARY CIRCUIT

WHEN MONITORED
With battery voltage greater than 8 volts during engine cranking or greater than 12 volts with engine running, and with 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
- No possible causes remaining
- ASD relay output circuit open
- Ignition coil #4 driver circuit open
- Ignition coil #4 driver circuit shorted to ground
- Ignition coil #4 wiring Harn/Conn observable def
- Ignition coil #4 wrg Harn/Conn intermittently def
- Front ign coil con term; damage, push out, miswire
- Front ignition coil defective
- PCM def (#4 ignition coil circuit driver)