SAAB WIS ONLINE

PDM / B3934 52

Read the instructions below then start the fault diagnostic procedure.

Symptom: Memory functions not working

  B3934 52


Mirror Motor Potentiometer, Motion in Reverse Order Detected

Fault symptom

Memory functions not working

On-board diagnosis

Type of diagnosis:

Each time the door module checks if the electric mirror button is depressed or not.

Enable criteria:

When electric mirrors are operated.

Fault criteria:

When the electric mirror position potentiometer detects movement in the opposite direction in relation to the engine.

System reaction to a fault:

Memory functions not working
Manual electric mirror operation working.

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.