Inspection And Verification
WARNING: This page is about a different car, the 2013 Land Rover LR4, 2012 Land Rover LR4, 2011 Land Rover LR4, and 2010 Land Rover LR4. 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 checked and/or the donor vehicle.
NOTE:
Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection
Mechanical Electrical - Seat runners
- Seat frames
- Seat movement switch condition and installation
- Seat heater switch condition and installation
- Seat motor(s) condition and installation
- Steering column switch condition and installation
- Steering column condition and installation
- Door mirror switch condition and installation
- Door mirror condition and installation
- Battery condition and state of charge
- Fuses
- Harnesses and connectors
- Seat movement switch(s)
- Seat heater switch(s)
- Seat heater elements
- Seat motor(s)
- Seat module(s)
- Memory control module(s)
- Steering column switch
- Steering column motor
- Door mirror switch(s)
- Door mirror motor(s)
- Ignition switch
- Battery Junction Box (BJB)
- Central Junction Box (CJB)
- Local Interconnect Network (LIN) circuit
- 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 Diagnostic Trouble Codes (DTCs) and refer to the DTC Index.