Headlamp: Adjustments
86.40.17 Headlamps - Align Beam
Between VINs 2A100042 and 3A117361, models with Xenon headlamps were fitted with a headlamp levelling ECU. All vehicles in this VIN range must have TestBook/T4 connected to align the headlamps.
Check
1. Ensure vehicle is parked on level ground and is at standard ride height
2. Models with headlamp levelling ECU: Connect TestBook/T4 to align headlamps.
3. Position and align beam setting equipment to headlamp.
4. Switch on headlamps.Headlamp setting 1.4% below horizontal and parallel.
Adjust
1. Adjust headlamp using a 6 mm Allen key.
2. Turn Allen screw 'A' for vertical alignment.
3. Turn Allen screw 'B' for horizontal alignment.
CAUTION: When adjusting horizontal alignment ensure the vertical alignment remains within specification.
4. Align beam setting equipment to 2nd headlamp.
5. Adjust 2nd headlamp as detailed above.
6. Switch off headlamps and remove beam setting equipment.