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 following 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 (15A)
^ Fuse 6 (15A)
- 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