FixVault
Home › Lexus › 2008 › IS 350 › Repair and Diagnosis › Body & Frame › Door Locks › Engine Immobilizer › Engine Immobilizer System › ID Code Box Power Source Circuit › Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE (SECURITY) 
    1. Remove the SECURITY fuse from the cowl side junction block RH.
    2. Measure the resistance of the fuse.

      Standard resistance: 

      Below 1 Ω 

    NG: REPLACE FUSE 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY) 
    1. Disconnect the J69 ECU connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION CHART

      Tester Connection Condition Specified Condition
      J69-1 (+B) - Body ground Always 10 to 14 V
      3. Fig 1: Identifying J69 ECU Connector
      G05831885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (ID CODE BOX - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Condition
      J69-8 (GND) - Body ground Always Below 1 Ω
      2. Fig 2: Identifying ID Code Box Connector And J69 ECU Connector Terminal
      G05831886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

About FixVault