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Home >> Toyota >> 2016 >> Camry LE >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Engine Immobilizer System (W/O Smart Key System) (Diagnostic Codes (B2780-B279C) & Symptom Tests) (Except Hybrid) >> ENGINE IMMOBILIZER SYSTEM (w/o Smart Key System) >> Circuit Tests >> ECU Power Source Circuit [08/2015 - ] >> Procedure

ECU Power Source Circuit [08/2015 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY AND GROUND POINT) 
    1. Disconnect the transponder key ECU assembly connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      I19-1 (+B) - Body ground Always 11 to 14 V
      I19-2 (IG) - Body ground Ignition switch off Below 1 V
      I19-2 (IG) - Body ground Ignition switch ON 11 to 14 V

      Standard Resistance

      Tester Connection Condition Specified Condition
      I19-5 (GND) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2015 - ] 
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