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Direction indicators malfunctioning

Read the instructions below then start the fault diagnostic procedure.

Symptom: Direction indicators or hazard flashers not working on one or both sides.

Direction indicators malfunctioning


Fault symptoms

Direction indicators or hazard flashers not working on one or both sides.



Diagnostic help

Check that fuses 22 and 2 in the cabin are intact.

The following values can be read with the diagnostic tool:


- Left Direction Indicator Switch

- Right Direction Indicator Switch

- Hazard Switch

- Left Direction Indicator Out

- Right Direction Indicator Out


The following functions can be activated with the diagnostic tool:


- Left Direction Indicator Out

- Right Direction Indicator Out


Check the wiring harness

Jiggle the wiring harness in several places and in various directions to detect intermittent open circuits and short circuits in the wiring harness. Watch the multimeter, diagnostic tool or test lamp during the check.