Inspection and Verification

Speed Control

Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of damage and system integrity.

Mechanical Electrical
- Speed control sensor - Fuses
- Ensure the speed control sensor is - Wiring harness
free from obstructions
- Speed control module - Electrical connector(s)
- Steering wheel switches
- Brake switch
- Speed control sensor
- Speed control module
- Engine Control Module (ECM)

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart, alternatively, check for Diagnostic Trouble Codes (DTCs) and refer to the DTC Index.

Speed Control Sensor Adjustment (vehicles with adaptive system installed)
An incorrectly aligned speed control sensor can cause incorrect system operation. Before starting any repair work on the speed control system, on vehicles with the adaptive system installed, check the adjustment of the speed control sensor.