Inspection And Verification

WARNING: This page is about a different variant/trim than selected.

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle

Verify the customer concern
Visually inspect for obvious signs of damage and system integrity

VISUAL INSPECTION

MECHANICAL	ELECTRICAL
Make sure the speed control sensor is free from obstructions Adaptive speed control module Brake switch Visibly damaged or worn components Cruise control module radar bracket	Fuse(s) Damage to wiring loom, incorrect location of wiring, wiring stretched or taught Loose or corroded electrical connector(s) Steering wheel switches Brake switch Adaptive speed control module Engine control module

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
If the cause is not visually evident, verify the symptom and refer to the SYMPTOM CHART , alternatively, check for DTCs and refer to the DTCs index