Land Rover Defender manuals

Land Rover Defender: Remote Function Actuator

DIAGNOSIS AND TESTING

PRINCIPLES OF OPERATION

For a detailed description of the keyless vehicle system, refer to the relevant description and operation sections in the workshop manual.

INSPECTION AND VERIFICATION

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.

NOTES:

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

Visual Inspection

Remote Function Actuator

  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
  2. If the cause is not visually evident, check for diagnostic trouble codes (DTCs) and refer to the DTC index
  3. Check JLR claims submission system for open campaigns. Refer to the corresponding bulletins and SSMs which may be valid for the specific customer complaint and complete the recommendations as required

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