P2311

Test 1 - 2:

Test 3 - 7:

Test 8:

SYMPTOM
P2311-IGNITION COIL #4 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION (2.7L)

TEST NOTE
This symptom is diagnosed using the test P2302-IGNITION COIL #1 SECONDARY CIRCUIT-INSUFFICIENT IONIZATION (2.7L).

WHEN MONITORED
Engine Running.

SET CONDITION
If PCM detects that the secondary ignition burn time is incorrect or not present an error is detected. One Trip Fault.

POSSIBLE CAUSES
- Intermittent condition
- Spark plug
- Ignition coil operation
- Ignition coil driver circuit open
- Coil control circuit shorted to ground
- PCM
- (A142) ASD relay output circuit
- Ignition coil