Land Rover Defender: Air Suspension Manual Tight Tolerance Setting Mode
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 then emit 2 soft chimes each time the drivers door is closed to confirm that air suspension manual tight tolerance setting mode is still active.
- Apply 3 light applications to the brake pedal during this procedure. Make sure that the pedal is returned to the fully off position before the next application.
1.
2.
CAUTION: Engine must be running, Eco stopped or the equivalent Battery Electric Vehicle (BEV) state.
Run the engine.
3. Set the suspension to the normal height.
4. Open the drivers door.
5. Press the brake pedal 3 times (make sure that the pedal is fully returned to the rest position before applying the next application).
6. Close the drivers door within 10 seconds of the first brake pedal application.
DEACTIVATION
1. Turn the engine off or drive the vehicle over 8 km/h (5 mph).
Air Suspension System Depressurize and Pressurize
GENERAL PROCEDURES
PRESSURE RELEASE
WARNINGS:
- A small amount of air pressure will be left in the air suspension system.
- Eye protection must be worn.
- Make sure the tailgate, hood and all doors are closed.
1.
WARNING: The air suspension is pressurized. Make sure dirt or grease does not enter the system. Always wear hand, eye and ear safety standard protection when working on the system.
Connect the Jaguar Land Rover (JLR) approved battery support unit.
2. Connect the JLR approved diagnostic equipment to the vehicle and begin a new diagnostic session.
3. Follow the JLR approved diagnostic equipment prompts.
4.
- Select 'ECU Diagnostics'.
- Select ' Chassis Control Module (CHCM)'.
- Select 'ECU Functions'.
- Select 'Air suspension deflation'.
- Follow all on-screen instructions to complete this task.
ACTIVATION
1.
- Select 'ECU Diagnostics'.
- Select ' CHCM'.
- Select 'ECU Functions'.
- Select 'Air suspension enable'.
- Follow all on-screen instructions to complete this task.
2. When the task is completed, exit the current session.
3. Disconnect the JLR approved diagnostic equipment and the JLR approved battery support unit.
READ NEXT:
Ride Height Adjustments
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
Air Suspension Compressor
REMOVAL AND INSTALLATION
GENERAL EQUIPMENT
EQUIPMENT NAME
2 mm punch
PART(S)
REMOVAL
CAUTION:
Before disconnecting any components, make sure the area is clean and free from
foreign material. When
Air Suspension Control Module
REMOVAL AND INSTALLATION
GENERAL EQUIPMENT
REMOVAL
NOTE:
This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is alwa
SEE MORE:
Integrated Power Brake System
DESCRIPTION AND OPERATION
COMPONENT LOCATION
Cruise Control Module (CCM)
Integrated Power Brake
Brake pedal
Accelerator Pedal Position (APP)
Steering Angle Sensor Control Module (SASM)
Restraints Control Module (RCM)
Rear wheel speed sensors (quantity 2)
Body Control Module (BCM)/ Gateway
Startup Battery Disconnect and Connect
GENERAL PROCEDURES
CHECK
NOTE:
This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is always correct.
This procedure contains illustrations showing certain components
removed to provide extra clarity.
1. Always re
