When Monitored And Set Conditions
This diagnostic runs continuously when the following conditions are met:
- With the engine running.
- Battery voltage greater than 10.4 volts.
Set Conditions:
- The Powertrain Control Module (PCM) detects the secondary ignition burn time is incorrect or not present.
Default Actions:
- The MIL light will illuminate.
| Possible Causes |
|---|
| FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| COIL CONTROL 4 CIRCUIT SHORTED TO GROUND |
| COIL CONTROL 4 CIRCUIT OPEN/HIGH RESISTANCE |
| SPARK PLUG |
| COIL ON PLUG |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .