plymouth Workshop Repair Guides

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Cruise Control Relay: Description and Operation

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)

Relays and Modules > Relays and Modules - Cruise Control > Cruise Control Relay > Component Information > Description and Operation

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