DESCRIPTION:
Injector needle control valve cylinder 4, 5, 6 shorted to battery.

MONITORED PARAMETER:
Injector needle control valve cylinder 4, 5, 6.

TYPICAL ENABLING CONDITIONS:
Engine rpm = idle or higher.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 25%

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. Short to power between front fuel injector harness (14-pin connector) and the ECM (120-pin connector).
2. Under valve cover fuel injector harness.