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Home >> Toyota >> 2005 >> Prius >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key Entry System (Keyless Entry) (Diagnostics) >> Smart Unlock Function Does Not Operate On Passenger Side Door >> Inspection Procedure
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Inspection Procedure

  1. CHECK MANUAL DOOR UNLOCK OPERATION 
    1. Check that the manual door unlock function operates normally.

      OK: Manual door unlock function operates normally. 

    1. NG: Go to POWER DOOR LOCK CONTROL SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    2. OK: GO TO NEXT STEP 
  2. CHECK DOOR ELECTRICAL KEY OSCILLATOR RH 
    1. Measure the voltage between the terminals of the connector when the smart key is operated.
      Fig 1: Identifying Door Electrical Key Oscillator Terminals RH
      G02617589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      Fig 2: Tester Connection Specified Condition Chart
      G02617590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to STEP  7 
    2. OK: GO TO NEXT STEP 
  3. CHECK DOOR ELECTRICAL KEY OSCILLATOR RH 
    1. Measure the voltage between the terminals of the connector when the outside door handle is touched.
      Fig 3: Identifying Door Electrical Key Oscillator Terminals RH
      G02617591Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      Fig 4: Tester Connection Specified Condition Chart
      G02617592Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to STEP4 
    2. OK: Go to STEP  5 
  4. CHECK WIRE HARNESS (DOOR ELECTRICAL KEY OSCILLATOR RH - SMART KEY ECU ASSY) 
    1. Disconnect the D17 oscillator connector.
    2. Disconnect the S11 ECU connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      D17-3 (SENS) - S11-22 (SEN2) Below 1 Ω
      D17-3 (SENS) or S11-22 (SEN2) - Body ground 10 kΩ or higher
      Fig 5: Checking Wire Harness (Door Electrical Key Oscillator RH - Smart Key ECU Assembly)
      G02617593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: GO TO NEXT STEP 
  5. CHECK OPERATION OF DOOR ELECTRICAL KEY OSCILLATOR RH 
    1. After replacing the door oscillator with a new one, check that the smart unlock function operates normally.

      OK: Smart unlock function operates normally. 

    1. NG: Go to STEP6 
    2. OK: GO TO NEXT STEP 

      REPLACE DOOR ELECTRICAL KEY OSCILLATOR RH 

  6. CHECK WIRE HARNESS (DOOR ELECTRICAL KEY OSCILLATOR RH - ELECTRICAL KEY ANTENNA RH AND BODY GROUND) 
    1. Disconnect the D17 oscillator connector.
    2. Disconnect the E9 antenna connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      D17-6 (ANT1) - E9-5 (ANT1) Below 1 Ω
      D17-7 (ANT2) - E9-2 (ANT2) Below 1 Ω
      D17-5 (SGT) - E9-6 (SGT) Below 1 Ω
      D17-8 (GND) - Body ground Below 1 Ω
      D17-6 (ANT1) or E9-5 (ANT1) - Body ground 10 kΩ or higher
      D17-7 (ANT2) or E9-2 (ANT2) - Body ground 10 kΩ or higher
      D17-5 (SGT) or E9-6 (SGT) - Body ground 10 kΩ or higher
      Fig 6: Checking Wire Harness (Door Electrical Key Oscillator RH - Electrical Key Antenna RH And Body Ground)
      G02617594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: GO TO NEXT STEP 

      REPLACE ELECTRICAL KEY ANTENNA RH 

  7. CHECK WIRE HARNESS (DOOR ELECTRICAL KEY OSCILLATOR RH - SMART KEY ECU ASSY) 
    1. Disconnect the D17 oscillator connector.
    2. Disconnect the S11 ECU connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      D17-2 (SEL) - S11-24 (SEL2) Below 1 Ω
      D17-2 (SEL) or S11-24 (SEL2) - Body ground 10 kΩ or higher
      Fig 7: Checking Wire Harness (Door Electrical Key Oscillator RH - Smart Key ECU Assembly)
      G02617595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: GO TO NEXT STEP 

      REPLACE SMART KEY ECU ASSY 

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