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Rear window wiper, faulty

Read the instructions below then start the fault diagnostic procedure.

Symptom: Rear window wiper malfunction.

Rear window wiper, faulty


Fault symptoms

Rear window wiper malfunction.



Diagnostic help

Check fuse 8 in the car interior and fuse 4 in the engine compartment.

The following values can be read with the diagnostic tool:


- Windscreen washer switch.

- Rear intermittent wiper operation switch

- Intermittent wiper time.

- Rear window wiper parking position


The following function can be activated with the diagnostic tool:


- Rear window wiper, relay


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.