L322 Range Rover Service Procedures
LIGHTING
REPAIRS
86-2-3
REPAIRS
Control unit - gas discharge - Xenon
headlamps
$% 86.40.03
Remove
1. Remove headlamp assembly.
2. Remove 3 Torx screws securing the gas
discharge control unit to head lamp assembly.
3. Disconnect multiplug from headlamp and
remove gas discharge control unit.
Refit
1. Clean headlamp area around the gas
discharge control unit multiplug.
2. Fit the gas discharge control unit to headlamp
and secure with Torx screws.
3. Fit headlamp assembly.
Electronic control unit (ECU) headlamp
levelling - Xenon headlamps only
$% 86.40.06
If the ECU is to be replaced then Testbook/T4 must
be connected and correct procedures adhered to,
prior to battery disconnection.
The headlamp levelling ECU is only fitted to models
between the following VINs; 2A100042 and
3A117361.
Remove
1. Disconnect battery earth lead.
2. Remove lower finisher from LH 'A' post.
Trim finisher - 'A' post - lower.
3. Pull carpet edge back for access.
4. Remove upper scrivet securing ECU and
carefully release ECU from lower scrivet.
5. Release and disconnect multiplug from ECU
and remove the ECU.
Refit
1. Position ECU and connect multiplug.
2. Fit ECU to lower scrivet and secure with upper
scrivet.
3. Fit 'A' post lower finisher.
Trim finisher - 'A' post - lower.
4. Connect the battery earth lead.
5. Configure new ECU using TestBook/T4.
6. Adjust headlamps.
M86 5878