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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. READ VALUE OF HAND-HELD TESTER 
    1. Operate the hand-held tester according to the steps on the display and select "DATA LIST".
      HAND-HELD TESTER VALUE DETAIL

      Item Test Details Diagnostic Note
      LIGHT RHEOSTAT Light control rheostat / Min.: 0, Max.: 255 -
    1. OK: REPAIR OR REPLACE COMBINATION METER ASSY 
    2. NG: GO TO NEXT STEP 
  2. CHECK COMBINATION METER ASSY 
    1. Remove the combination meter assy.
    2. Check continuity.
      1. Check continuity between the terminal C10-25, 26 of the combination meter connector and the body ground.

        Standard: Continuity. 

      2. Light control switch to ON.
      3. Measure the voltage between the terminal C10-22, 23 of the combination meter connector and the body ground.

        Standard voltage: 10 - 14 V 

      Fig 1: Identifying Combination Meter Assy Connectors
      G02630528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPAIR OR REPLACE COMBINATION METER ASSY 
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