Flow of Diagnosis

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

VISUAL INSPECTION CHART

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 circuit fuses:
Fuse Junction Panel
- Fuse 28 (15 A)
- Fuse 6 (15 A)
^ Speed Control Indicator Bulb
^ 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 concern(s) that can be readily identified, repair as required.
4. Perform the Self-Test Diagnostics. Reading and Clearing Diagnostic Trouble Codes