Flow of Diagnosis

1. Inspect to determine if one of the mechanical or electrical concerns apply:

VISUAL INSPECTION CHART

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

Electrical
- Verify proper horn operation.
- Verify stop light operation.
- Check circuit fuses, power distribution box fuses 8 (20 A), 34 (15 A) and fuse junction panel fuse 32 (15 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.

2. If the inspection reveals obvious concern(s) that can be readily identified, repair as required.
3. Perform Self-Test Diagnostics procedure. Reading and Clearing Diagnostic Trouble Codes

NOTE: If the Self-Test Diagnostics indicate system pass, road test vehicle to confirm results.