Speed Control Power Relay Circuit
NAME OF CODE:Speed Control Power Relay Circuit
WHEN MONITORED:
With the ignition key ON, speed control switched ON, the SET button pressed and the brake pedal released.
SET CONDITION:
The speed control power supply circuit is either open or shorted to ground.
THEORY OF OPERATION:
The PCM monitors the voltage drop across all speed control solenoids and the power supply circuit.
POSSIBLE CAUSES:
- PCM misfire
- Open or shorted power supply circuit
- Failed dump solenoid (S/C servo)