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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FUSE (ECU-B) 
    1. Remove the ECU-B fuse from the instrument panel J/B.
    2. Measure the resistance of the fuse.

      Standard: Below 1 Ω 

    1. NG: REPLACE FUSE 
    2. OK: Go to Next Step. 
  2. CHECK WIRE HARNESS (TRANSPONDER KEY ECU ASSY - BATTERY AND BODY GROUND) 
    1. Disconnect the T5 ECU connector.
      Fig 1: Disconnecting T5 ECU Connector
      G03050092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance and voltage of the wire harness side connector.

      Standard: 

      TERMINAL SPECIFIED CONDITION

      Tester Connection Specified Condition
      T5-1 (+B) - Body ground 10 to 14 V
      T5-14 (GND) - Body ground Below 1 Ω
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: REPLACE TRANSPONDER KEY ECU ASSY 
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