Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Theft Deterrent System - Diagnosis >> Function Check Of Each System (Flow Chart 1) >> Inspection Procedure

Inspection Procedure

  1. INSPECT OPERATION WIRELESS DOOR LOCK 
    1. Check whether doors can be locked and unlocked by the transmitter switch operation.

    HINT:

    If doors can be locked and unlocked by the wireless operation, the doors lock/unlock operation, door courtesy light switch and door lock position switch are normal.

    1. NG: GO TO WIRELESS DOOR CONTROL SYSTEM, see  HOW TO PROCEED WITH TROUBLESHOOTING  . 
    2. OK: GO TO NEXT STEP. 
  2. CHECK KEY DOOR LOCK OR UNLOCK 
    1. Check whether doors can be locked and unlocked by the key operation.

    HINT:

    If doors can be locked and unlocked by the key operation, the doors control switch (interlocked with key operation) is normal.

    1. NG: GO TO POWER DOOR LOCK CONTROL SYSTEM, see  HOW TO PROCEED WITH TROUBLESHOOTING  . 
    2. OK: GO TO NEXT STEP. 
  3. INSPECT OPERATION KEY UN-LOCK WARNING SWITCH 

    HINT:

    If the key unlock warning function operates properly, the unlock warning switch and ignition switch are normal.

    1. OK: GO TO KEY REMAINDER WARNING SYSTEM, see  HOW TO PROCEED WITH TROUBLESHOOTING  . 
    2. OK: TO FLOW CHART 3, see  LUGGAGE COMPARTMENT DOOR COURTESY SWITCH CIRCUIT (FLOW CHART 3)  .