Conditions

Engine Ignition
1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern is not visually evident, refer to the Symptom Chart.

Condition(s):

DTC P0300 Random misfire detected. DTC P0301 to P0306 Misfire at cylinders 1 to 6

Possible Source(s):
- Poor cylinder compression.
- Damaged or worn piston rings.
- Inlet/exhaust valve stuck open/closed.
- Worn camshaft.
- Damaged cylinder head gasket.
- Spark plug fouled.

Action(s) to take:
- Mechanical check.

Possible Source(s):
- Fuel delivery pressure (high).
- Faulty injector (inoperative/leaking).
- Fuel injector continuously open.
- Fuel contamination.

Action(s) to take:
- Testing and Inspection

Possible Source(s):
- Damaged ignition coil.
- Damaged associated electrical harness/connection.
- Damaged spark plug.

Action(s) to take:
- Refer to the Symptom Chart.

Condition(s):

DTC P0351 ignition coil A primary circuit malfunction

Possible Source(s):
- Ignition coil open/short circuit.
- Ignition coil insulation breakdown.
- Damaged harness.
- Connector pins bent or corroded.
- Damaged ignition circuit ground.
- Damaged PCM.

Action(s) to take:
-

DTC P0352 Ignition coil B primary circuit malfunction

Possible Source(s):
- Ignition coil open/short circuit.
- Ignition coil insulation breakdown.
- Damaged harness.
- Connector pins bent or corroded.
- Damaged ignition circuit ground fault.
- Damaged PCM failure.

Action(s) to take:
-

DTC P0353 Ignition coil C primary circuit malfunction

Possible Source(s):
- Ignition coil open/short circuit.
- Ignition coil insulation breakdown.
- Damaged harness.
- Connector pins bent or corroded.
- Damaged ignition circuit ground.
- Damaged PCM.

Action(s) to take:
-

DTC P0354 Ignition coil D primary circuit malfunction

Possible Source(s):
- Ignition coil open/short circuit.
- Ignition coil insulation breakdown.
- Damaged harness.
- Connector pins bent or corroded.
- Damaged ignition circuit ground.
- Damaged PCM.

Action(s) to take:
-

DTC P0355 Ignition coil E primary circuit malfunction

Possible Source(s):
- Ignition coil open/short circuit.
- Ignition coil insulation breakdown.
- Damaged harness.
- Connector pins bent or corroded.
- Damaged ignition circuit ground.
- Damaged PCM.

Action(s) to take:
-

DTC P0356 Ignition coil F primary circuit malfunction

Possible Source(s):
- Ignition coil open/short circuit.
- Ignition coil insulation breakdown.
- Damaged Harness.
- Connector pins bent or corroded.
- Damaged ignition circuit ground.
- Damaged PCM.

Action(s) to take:
-