Land Rover Defender: Vehicle Dynamic Suspension - Diagnosis and Testing
PRINCIPLES OF OPERATION
For additional information on the operation of the air suspension system,
refer to the relevant section of the workshop manual.
INSPECTION AND VERIFICATION
WARNING:
Before carrying out a road test, make sure the vehicle is safe to do so. Failure
to follow this instruction may
result in personal injury
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
1. Verify the customer concern
2. Visually inspect for obvious signs of mechanical or electrical damage
Visual Inspection
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. Use the approved diagnostic system or a scan tool to retrieve any
diagnostic trouble codes (DTCs) before
moving onto the symptom chart or DTC index
- Make sure that all DTCs are cleared following rectification
SYMPTOM CHART
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GENERAL PROCEDURES
ACTIVATION
CAUTIONS:
Before disconnecting any components, make sure the area is clean and
free from foreign material. When
disconnected all openings must be sealed.
Make sure
GENERAL PROCEDURES
ACTIVATION
NOTES:
If this procedure has been successful the instrument cluster will
emit 2 soft chimes 1 second after the
drivers door is closed. The instrument cluster will th
GENERAL PROCEDURES
SPECIAL TOOL(S)
204-557B
Gauge, Ride height
CAUTIONS:
Make sure the wheels and tires, tie rod ends, suspension joints and
wheel bearings are free from damage,
wear and free pl
SEE MORE:
Make sure the relevant safety warnings
and cautions have been read and
understood before driving the vehicle.
Note: Creation of a profile can only be
performed if the vehicle is stationary.
The greetings screen is displayed upon
screen start-up.
If a profile has not already been created,
touch Se
SPECIFICATIONS
Lubricants and sealers
NOTE:
Do not use any lubricant other than that specified
Transfer Case Ratio
Torque Specification
NOTE:
Numbers with a green background are a single use component.
COMPONENT TORQUE LOCATION
Torque Specifications
COMPONENT TORQUE LOCATION
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