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Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - WIRELESS DOOR LOCK CONTROL SYSTEM (W/ SMART KEY)

Problem Symptom Suspected Area
A door is opened within 20 seconds of unlocking all doors, but automatic lock function still operates.
  1. Door control transmitter
  2. ECU power source circuit
  3. Wireless turner circuit
  4. Key unlock warning switch circuit
  5. Door key lock and unlock switch circuit
  6. Driver door ECU
  7. Theft warning ECU assy
Lock or unlock does not operate.
  1. Door unlock detection switch circuit

    (Driver side door)

    (Passenger side door)

    (Rear LH door)

    (Rear RH door)

  2. Door key lock and unlock switch circuit
  3. ECU power source circuit
  4. Any door ECU
  5. Theft warning ECU assy
A door is opened within 30 seconds of unlocking all doors, but automatic lock function still operates.
  1. Door courtesy switch circuit

    (Driver side door)

    (Passenger side door)

    (Rear LH door)

    (Rear RH door)

  2. Any door ECU
  3. Theft warning ECU assy
Wireless door lock function operates, but buzzer does not sound.
  1. Wireless door lock buzzer circuit
  2. Wireless buzzer volume and ON/OFF switch circuit
  3. Door unlock detection switch circuit

    (Driver side door)

    (Passenger side door)

    (Rear LH door)

    (Rear RH door)

  4. Any door ECU
  5. Theft warning ECU assy
Wireless door lock function operates, but headlamp does not operate.
  1. Headlamp relay circuit
  2. Front controller
  3. Theft warning ECU assy
Wireless door lock function operates, but taillamp does not operate.
  1. Taillamp relay circuit
  2. Luggage room J/B ECU
  3. Theft warning ECU assy
Buzzer sounds, but wireless door lock function does not operate.
  1. Door control transmitter
  2. Theft warning ECU assy
Luggage compartment door does not open.
  1. Luggage compartment door closer motor circuit
  2. ECU power source circuit
  3. Luggage room J/B ECU
  4. Theft warning ECU assy