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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ELECTRICAL KEY OSCILLATOR) 
    1. Disconnect the E13 ECU connector.
    2. Disconnect the oscillator connectors.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance: 

      Inside Luggage Compartment 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection (Symbols) Condition Specified Condition
      E13-16 (CG7B) - R2-3 (CLGB) Always Below 1 Ω
      E13-15 (CLG7) - R2-1 (CLG6) Always Below 1 Ω
      E13-16 (CG7B) - Body ground Always 10 kΩ or higher
      E13-15 (CLG7) - Body ground Always 10 kΩ or higher

      Outside Luggage Compartment 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection (Symbols) Condition Specified Condition
      E13-32 (CG8B) - R3-2 (CLGB) Always Below 1 Ω
      E13-31 (CLG8) - R3-1 (CLG5) Always Below 1 Ω
      E13-32 (CG8B) - Body ground Always 10 kΩ or higher
      E13-31 (CLG8) - Body ground Always 10 kΩ or higher
    Fig 1: Checking Harness And Connector (Certification ECU - Electrical Key Oscillator)
    G05252764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  2. CHECK AND REPLACE ELECTRICAL KEY OSCILLATOR 
    1. Replace the electrical key oscillator.
    2. Check that the luggage compartment door entry LOCK/ UNLOCK function operates normally.

      OK: Luggage compartment door entry LOCK/UNLOCK function operates normally. 

    OK: END (ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

    NG: Go to Next Step 

  3. PERFORM ACTIVE TEST BY INTELLIGENT TESTER 
    1. Reconnect the oscillator and the ECU connectors.
    2. Connect the intelligent tester to the DLC3.
    3. Turn the engine switch on (IG).
    4. Following the display on the tester, select the "ACTIVE TEST".

      SMART ACCESS (Certification ECU): 

      ACTIVE TEST CHART

      Item Vehicle Condition/Test Details
      IN-BDR TRNSMTTR Electrical key oscillator (Luggage compartment inner) ON/OFF
      BDOOR TRNSMTTR Electrical key oscillator (Luggage compartment outer) ON/OFF
    5. Measure the frequency according to the value(s) in the table below.

      Standard: 

      Inside Luggage Compartment 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection (Symbols) Condition Specified Condition
      E13-16 (CG7B) - E13-15 (CLG7) During ACTIVE TEST Frequency is generated (higher than 0 Hz)
      Fig 2: Identifying Certification ECU Connector Terminals
      G05252765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Outside Luggage Compartment 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection (Symbols) Condition Specified Condition
      E13-32 (CG8B) - E13-31 (CLG8) During ACTIVE TEST Frequency is generated (higher than 0 Hz)

    NG: REPLACE CERTIFICATION ECU 

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

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