Initial Inspection and Diagnostic Overview

1. Verify the customer's concern by operating the speed control system to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns apply:

Mechanical
- Inspect and verify that:
- actuator cable is adjusted properly without holding the throttle open or increasing idle speed.
- throttle linkage operates freely and smoothly when connected to the actuator cable and speed control servo.

Electrical
- Verify proper horn operation.
- Verify stoplamp operation.
- Check power distribution box Fuse L (15 A) fuse junction panel Fuse 12 (15 A) and Fuse 4 (10 A).
- Inspect and verify that:
- connections are complete with no loose wires or terminals.
- wiring is not broken. shorted or corroded.
- wiring is not misrouted.

3. If inspection reveals obvious concerns, correct the concerns before proceeding.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to Symptom Chart. Symptom Related Diagnostic Procedures