Test results

Check:

- connections between left control panel and NQS;

- connection between Dashboard Control Unit and instrument panel

- connection between dashboard junction unit unit and headlamp alignment motors;

- earth for headlamp alignment motors

- power supply for headlamp alignment motors

 See E3080 HEADLAMP AGLINMENT CORRECTOR

Move on to Step 2

1. Connections between control panel and NQS not correct

2. Connection between NQS and dashboard junction unit not correct

3. Control panel not working

4. Motor earths defective

5. Motor power supply interrupted

1. Restore the correct connections

 See E3080 HEADLAMP AGLINMENT CORRECTOR

2. Restore the correct connections

 See E3080 HEADLAMP AGLINMENT CORRECTOR

3. Move on to Step 2

4. Repair the earth contacts

 See E3080 HEADLAMP AGLINMENT CORRECTOR

5. Restore correct power supply

Check that the UP - DOWN buttons in the control panel are working properly

 See Test 5540BI HEADLAMP ALIGNMENT CORRECTOR POWER SUPPLY CHECK

Move on to Step 3

Control panel defective

Replace the control panel

 Op. 7040A82 SWITCH UNIT ON LEFT SIDE OF DASHBOARD - R.R.

Check the operation of the headlamp alignment motor

 See E3080 HEADLAMP AGLINMENT CORRECTOR

End of diagnosis

Headlamp alignment motor faulty

Replace the headlamp alignment motor

 Op. 7040A82 SWITCH UNIT ON LEFT SIDE OF DASHBOARD - R.R.