374090 - O09 FRONT PASSENGER SEAT HEAD RESTRAINT IS NOT WORKING

The raising/lowering adjustment is carried out by means of the joystick located at the side of the seat and connected to the head restraint adjustment motor.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1COMPONENT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Remove the control panel and check that it is working properly (Wiring Diagram ) E3077 FRONT HEAD RESTRAINT ADJUSTMENT Move on to Step Control panel not workingReplace the control panel
2ELECTRICAL SYSTEM CHECK.ALL OKPROBLEMS ENCOUNTEREDACTION
Remove the seat from the vehicle, remove the rear seat cover and check the continuity/insulation between:

  • Control panel connector and backrest adjustment motor
  • Control panel connector and backrest coupling connection.
  • backrest coupling connection and backrest adjustment motor. (Wiring Diagram ) E3077 FRONT HEAD RESTRAINT ADJUSTMENT
Move on to Step Electrical equipment faulty.Restore the electrical connection. (Wiring Diagram ) E3077 FRONT HEAD RESTRAINT ADJUSTMENT
3COMPONENT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the head restraint mechanical transmissionMove on to Step Mechanical transmission faultyReplace the mechanical transmission
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace the head restraint motor