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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT COURTESY LAMP SWITCH (DRIVER SIDE DOOR) 
    1. Inspect front door courtesy lamp switch continuity.
      1. Check that there is continuity between terminal 1 and body ground, when switch is operated.

    Standard: 

    ON (When shaft is pressed): No continuity 

    OFF (When shaft is not pressed): Continuity 

    NG: REPLACE COURTESY LAMP SWITCH 

    OK: Go To Next Step 

  2. INSPECT DRIVE SIDE JUNCTION BLOCK (SIG) 
    1. Insert the ignition key to the key cylinder.
    2. Measure the voltage between terminal 1C-2 of driver side junction block and body ground.
    STANDARD

    Ignition key Specified condition
    Insert 10 - 14 V
    Uninsert Below 1V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: CHECK AND REPLACE DRIVE SIDE JUNCTION BLOCK