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Home >> Toyota >> 2007 >> Land Cruiser >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Power Door Lock Control System >> Power Source Circuit >> Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE (ECU-IG1, AM1, P/W (FL)) 
    1. Remove the ECU-IG1 and AM1 fuses from the cowl side junction block LH.
    2. Remove the P/W (FL) fuse from the cowl side junction block RH.
    3. Measure the resistance of the fuses.

      Standard resistance: Below 1 Ω 

    • NG: REPLACE FUSE 
    • OK: GO TO NEXT STEP 
  2. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (CPUB, SIG VOLTAGE) 
    1. Turn the ignition switch OFF.
    2. Measure the voltage between terminals CPUB, SIG, BDR and GND.

      Standard voltage: 10 to 14 V 

  3. CHECK WIRE HARNESS (MASTER SWITCH - BATTERY AND BODY GROUND) 
    • NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    • OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE