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Headlamps

Read the instructions below then start the fault diagnostic procedure.

Symptom: Main or dipped beam not working on one or both sides.

Headlamps


Fault symptoms

Main or dipped beam not working on one or both sides.



Diagnostic help

Check fuses 7, 10, 11, 12, 13, 20, 24 and 35 if they are fitted in your market.

The following values can be read with the diagnostic tool:


- Light switch position 0

Should show ON if fuse 35 is fitted, light switch in position 0.

- Light switch position 2

Should show ON when light switch in position 2.

- Hazard flasher switch

- Main beam relay

- Dipped beam relay

- Dipswitch


The following functions can be activated with the diagnostic tool:


- Main beam relay

- Dipped beam relay


Checking the wiring harness

Jiggle the wiring harness at several points and in several directions to detect intermittent open circuits and short circuits. Note the reaction of the multimeter, test lamp or diagnostic tool during the check.