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Home › Lexus › 2002 › SC 430 › Repair and Diagnosis › Body & Frame › Windows › Power Window Control System - Diagnosis › Power Window Cannot Be Operated By Operation Interlocked With Key (Only Driver's Window) › Inspection Procedure

Inspection Procedure

  1. INSPECT DOOR LOCK FUNCTION 
    1. Check all the doors can lock and unlock when the driver's door lock cylinder is operated via the key.
    1. NG: GO TO POWER DOOR LOCK CONTROL SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    2. OK: GO TO NEXT STEP 
  2. INSPECT POWER WINDOW FUNCTION 
    1. Check that the power window operates via each regulator switch.
      1. If the driver's side does not operate, proceed to "NG-A".
      2. If the passenger's side does not operate, proceed to "NG-B".
    1. NG-A: GO TO FLOW CHART (See  WINDOW CANNOT BE OPERATED VIA REGULATOR SWITCH IN DRIVER'S SIDE (POWER WINDOW MASTER SWITCH CIRCUIT)  ) 
    2. NG-B: GO TO FLOW CHART (See  WINDOW CANNOT BE OPERATED VIA REGULATOR SWITCH IN PASSENGERS SIDE (REGULATOR SWITCH CIRCUIT)  ) 
    3. OK: GO TO NEXT STEP 
  3. INSPECT POWER WINDOW FUNCTION 
    1. Check that the passenger's power window operates via the remote operation of the master switch.
    1. NG: GO TO FLOW CHART (See  REMOTE OPERATION VIA MASTER SWITCH IS IMPOSSIBLE IN THE OTHER SEAT(OPERATION VIA EACH DOOR SWITCH IS POSSIBLE)  ) 
    2. OK: REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH 
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