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Home >> Toyota >> 2007 >> Avalon XLS >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Engine Immobilizer >> Engine Immobilizer System >> Inspection Procedure

Inspection Procedure

  1. INSPECT TRANSPONDER KEY ECU ASSEMBLY 
    1. Measure the voltage according to the value(s) in the table below.

      Voltage 

      TRANSPONDER KEY ECU ASSEMBLY

      Tester Connection Condition Specified Condition
      D33-1 (+B) - D33-16 (GND) Always 10 to 14 V
      D33-2 (IG) - D33-16 (GND) Ignition switch OFF Below 1 V
      D33-2 (IG) - D33-16 (GND) Ignition switch ON 10 to 14 V
    Fig 1: Identifying D33 Transponder Key ECU Connector Terminals
    G05005528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to step 2 

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

  2. CHECK HARNESS AND CONNECTOR (GROUND CIRCUIT) 
    1. Disconnect the D33 ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Resistance 

      GROUND CIRCUIT

      Tester Connection Condition Specified Condition
      D33-16 (GND) - Body ground Always Below 1 Ω
    Fig 2: Checking Harness And Connector (Ground Circuit)
    G05005529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)