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Home >> Toyota >> 2005 >> Avalon XLS >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Engine Immobilizer System (W/O Smart Key System) >> Ecu Power Source Circuit >> Inspection Procedure

Inspection Procedure

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

      Standard: 

      Fig 1: Identifying D33 Connector
      G02977249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TESTER CONNECTION AND SPECIFIED CONDITION SPECIFICATION

      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
    1. NG: Go to step 2 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  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.

      Standard: 

      Fig 2: Identifying D33 ECU Connector
      G02977250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TESTER CONNECTION AND SPECIFIED CONDITION SPECIFICATION

      Tester Connection Condition Specified Condition
      D33-16 (GND) -Body ground Always Below 1 Ω
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 
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