Electronic control unit (ECU) headlamp levelling - Xenon headlamps only

LIGHTING

REPAIRS

86-2-3

REPAIRS

Control unit - gas discharge - Xenon 
headlamps

$% 86.40.03

Remove

1. Remove headlamp assembly.

 

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 LIGHTING, REPAIRS, 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.

 

 + 

 LIGHTING, REPAIRS, 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.

 

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 INTERIOR FITTINGS, REPAIRS, 

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.

 

 + 

 INTERIOR FITTINGS, REPAIRS, 

Trim finisher - 'A' post - lower.

4. Connect the battery earth lead.
5. Configure new ECU using TestBook/T4.
6. Adjust headlamps.

 

 + 

 LIGHTING, ADJUSTMENTS, 

Headlamps - align beam.

M86 5878