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Home >> Land Rover >> 2015 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Speed Control - V6 S/C 3.0L Petrol -- Range Rover/L405) >> Speed Control - V6 S/C 3.0L Petrol >> Speed Control (Diagnosis And Testing) >> Diagnosis And Testing >> Inspection And Verification

Inspection And Verification

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
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
  1. Verify the customer concern
  2. Visually inspect for obvious signs of damage and system integrity

    VISUAL INSPECTION CHART 

    MECHANICAL ELECTRICAL
    • Ensure the speed control sensor is free from obstructions
    • Adaptive speed control module
    • Brake switch
    • Visibly damaged or worn components
    • 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
  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 DTCs and refer to the DTCs index