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Inspection Procedure

  1. INSPECT FUSE (IGN, ECU-B2, AM2, BAT) 
    1. Remove the IGN and ECU-B2 fuses from the cowl side junction block RH.
    2. Remove the AM2 and BAT fuses from the engine room junction block.
    3. Measure the resistance of the fuses.

      Standard resistance: 

      Below 1 Ω 

    NG: REPLACE FUSE 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (TRANSPONDER KEY ECU ASSEMBLY - BATTERY AND BODY GROUND) 
    1. Disconnect the T27 ECU connector.
    2. Measure the resistance and voltage of the wire harness side connector.

      Standard resistance 

      RESISTANCE SPECIFICATIONS

      Tester Connection Specified Condition
      T27-14 (GND) - Body ground Below 1 Ω

      Standard voltage 

      VOLTAGE SPECIFICATIONS

      Tester Connection Condition Specified Condition
      T27-1 (+B) - T27-14 (GND) Always 10 to 14 V
      T27-2 (IG) - T27-14 (GND) Ignition switch OFF Below 1 V
      Ignition switch ON 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE 

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