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Check Remote Keyless Entry Receiver

  1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.
      SIGNAL REFERENCE VALUE CHART

      Terminals Keyfob condition Signal (Reference value)
      (+) (-)
      Remote keyless entry receiver connector Terminal
      M89 2 Ground No function
      G05212262
      Any button is pressed
      G04876582
      Fig 1: Checking Signal Between Remote Keyless Entry Receiver Connector Terminal 2 And Ground
      G05212264

    OK or NG 

    OK: Remote keyless entry receiver is OK.

    NG: GO TO 2.

  2. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY 
    1. Disconnect remote keyless entry receiver connector.
    2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.
      SIGNAL REFERENCE VALUE CHART

      Terminals Signal (Reference value)
      (+) (-)
      Remote keyless entry receiver connector Terminal
      M89 4 Ground
      G04876581
      Fig 2: Checking Signal Between Remote Keyless Entry Receiver Connector Terminal 4 And Ground
      G05212266

    OK or NG 

    OK: GO TO  4.

    NG: GO TO 3.

  3. CHECK HARNESS CONTINUITY 1 
    1. Disconnect Intelligent Key unit connector.
    2. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
      TERMINAL CONTINUITY CHART

      A B Continuity
      Intelligent Key unit connector Terminal Remote keyless entry receiver connector Terminal
      M32 7 M89 4 Yes
    3. Check continuity between Intelligent Key unit connector and ground.
      TERMINAL CONTINUITY CHART

      A Ground Continuity
      Intelligent Key unit connector Terminal
      M32 7 No
      Fig 3: Checking Continuity Between Intelligent Key Unit Connector And Remote Keyless Entry Receiver Connector
      G05212267

    OK or NG 

    OK: Check the condition of harness and connector.

    NG: Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.

  4. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT 

    Check continuity between remote keyless entry receiver connector and ground.

    TERMINAL CONTINUITY CHART

    Remote keyless entry receiver connector Terminal Ground Continuity
    M89 1 Yes

    OK or NG 

    OK: GO TO  6.

    NG: GO TO 5.

    Fig 4: Checking Continuity Between Remote Keyless Entry Receiver Connector Terminal 1 And Ground
    G05212268
  5. CHECK HARNESS CONTINUITY 2 

    Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.

    TERMINAL CONTINUITY CHART

    A B Continuity
    Intelligent Key unit connector Terminal Remote keyless entry receiver connector Terminal
    M32 6 M89 1 Yes

    OK or NG 

    OK: Check the condition of harness and connector.

    NG: Repair or replace harness between Intelligent Key unit and remote keyless entry.

    Fig 5: Checking Continuity Between Intelligent Key Unit Connector And Remote Keyless Entry Receiver Connector
    G05212269
  6. CHECK HARNESS CONTINUITY 3 
    1. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
      TERMINAL CONTINUITY CHART

      A B Continuity
      Intelligent Key unit connector Terminal Remote keyless entry receiver connector Terminal
      M32 5 M89 2 Yes
    2. Check continuity between Intelligent Key unit connector and ground.
      TERMINAL CONTINUITY CHART

      A Ground Continuity
      Intelligent Key unit connector Terminal
      M32 5 No
      Fig 6: Checking Continuity Between Intelligent Key Unit Connector And Remote Keyless Entry Receiver Connector
      G05212270

    OK or NG 

    OK: GO TO 7.

    NG: Repair or replace harness between Intelligent Key unit and remote keyless entry.

  7. INTELLIGENT KEY UNIT OUTPUT SIGNAL 
    1. Connect Intelligent Key unit and remote keyless entry receiver connector.
    2. Check voltage between Intelligent Key unit connector and ground.
      TERMINAL VOLTAGE CHART

      Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      Intelligent Key unit connector Terminal
      M32 4 Ground When Intelligent Key is in vehicle, press push-button ignition switch 0
      Other than above
      G05212271
      Fig 7: Checking Voltage Between Intelligent Key Unit Connector Terminal 4 And Ground
      G05212272

    OK or NG 

    OK: Check the condition of harness and connector.

    NG: GO TO 8.

  8. CHECK HARNESS CONTINUITY 4 
    1. Disconnect Intelligent Key unit and remote keyless entry receiver connector.
    2. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
      TERMINAL CONTINUITY CHART

      A B Continuity
      Intelligent Key unit connector Terminal Remote keyless entry receiver connector Terminal
      M32 4 M89 3 Yes
    3. Check continuity between Intelligent Key unit connector and ground.
      TERMINAL CONTINUITY CHART

      A Ground Continuity
      Intelligent Key unit connector Terminal
      M32 4 No
      Fig 8: Checking Continuity Between Intelligent Key Unit Connector And Remote Keyless Entry Receiver Connector
      G05212273

    OK or NG 

    OK: Check the condition of harness and connector.

    NG: Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.

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