Wiring Harness Between Cntrl Module and Mtr, Front
Checking The Wiring Harness Between Control Module And Motor, Front
Unplug the connector:
^ Motor, seat front (357Db)
^ Connect test lamp 86 11 857 to pins 1 and 2 of the female connector.
^ Activate the switch in both directions.
^ The test lamp should light in both directions. Red lamp in one direction and green lamp in the other. (Note that if the seat is at an end position the motor can only be activated in one direction with the switch.)
Checking the wiring harness.
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter, test lamp or diagnostic tool while doing this.
Is the function correct?
NO ^ Continue with Checking The Wiring Harness Between Control Module And Motor, Front.
YES ^ Changing Components
Repair or replace the lead concerned.
After performing this procedure Final Check