Speed Control Power Relay/12V Driver Circuit (Non-OBD II)

Name of Code:
Speed Control Power Relay Circuit

When Monitored:
With the ignition key on, speed control switched on.

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:
- Open and shorted power supply circuit
- Failed dump solenoid (S/C servo)