Diagnostic Strategies

- From the vehicle speed control servo, the grounding point for circuit Z1 is right side of the dash panel in the engine compartment.
- The grounding point for circuit Z1 from the stop lamp switch is on the instrument panel, above the headlamp switch.
- Circuit V40 also connects to the Anti-Lock Brake System (ABS) control module on vehicles with all wheel anti-lock brakes.
- Circuit V40 also connects to the Rear Wheel AntiLock (RWAL) control module.