FixVault

Theft Deterrent System

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

THEFT DETERRENT SYSTEM TROUBLE SYMPTOMS REFERENCE

Symptom Suspect Area See Section
The system cannot be set.
  1. Indicator Light
  2. Key Unlock Warning Switch
  3. Door Unlock Detection Switch
  4. Engine Hood Courtesy Switch
  5. Luggage Room Door Courtesy Switch
  6. Wire Harness
  7. Body ECU
  8. Driver Door ECU
  9. Multiplex Communication Circuit
  10. Transmitter
  1. COMPONENT TESTS
  2. ADJUSTMENT
  3. TROUBLE SHOOTING
  4. COMPONENT TESTS
  5. INSPECTION
  6. -
  7. HOW TO PROCEED WITH TROUBLESHOOTING
  8. FRONT DOOR
  9. -
  10. TROUBLE SHOOTING
The system cannot be canceled when the ignition switch is turned to ACC with key.
  1. Key Unlock Warning Switch
  2. Ignition Switch
  3. Body ECU
  4. RADIO NO. 2 Fuse (Instrument panel J/B)
  5. Wire Harness
  1. ADJUSTMENT
  2. ADJUSTMENT
  3. HOW TO PROCEED WITH TROUBLESHOOTING
  4. -
  5. -
The system cannot be canceled when the luggage compartment door is unlocked with key.
  1. Luggage Room Door Courtesy Switch
  2. Body ECU
  3. Wire Harness
  1. INSPECTION
  2. HOW TO PROCEED WITH TROUBLESHOOTING
  3. -
The system does not operate when the engine hood is opened.
  1. Engine Hood Courtesy Switch
  2. Body ECU
  3. Wire Harness
  1. COMPONENT TESTS
  2. HOW TO PROCEED WITH TROUBLESHOOTING
  3. -
The system does not operate when the door is opened or unlocked without using a key or transmitter.
  1. Door Courtesy Switch
  2. Driver Door ECU
  3. Front Passenger Door ECU
  4. Body ECU
  5. Multiplex Communication Circuit
  6. Door Unlock Detection Switch
  7. Wire Harness
  8. Transmitter
  1. INSPECTION
  2. FRONT DOOR
  3. TROUBLE SHOOTING
  4. HOW TO PROCEED WITH TROUBLESHOOTING
  5. TROUBLE SHOOTING
  6. TROUBLE SHOOTING
  7. -
  8. -
The system does not operate when the ignition switch is turned to ACC without using a key or transmitter.
  1. Ignition Switch
  2. Key Unlock Warning Switch
  3. Body ECU
  4. Wire Harness
  5. Transmitter
  1. ADJUSTMENT
  2. ADJUSTMENT
  3. HOW TO PROCEED WITH TROUBLESHOOTING
  4. -
  5. -
Some of the does not operate.
(Headlight does not light up)
  1. Headlight System
  2. Wire Harness
  3. Body ECU
  1. COMPONENTS
  2. -
  3. HOW TO PROCEED WITH TROUBLESHOOTING
Some of the system does not operate.
(Taillight does not light up)
  1. Taillight System
  2. Wire Harness
  3. Body ECU
  1. COMPONENTS
  2. -
  3. HOW TO PROCEED WITH TROUBLESHOOTING
Some of the system does not operate. (Theft deterrent horn or horn does not sound)
  1. Theft Deterrent Horn
  2. Horn
  3. Horn Relay
  4. HORN Fuse (Engine Room J/B)
  5. Wire Harness
  6. Body ECU
  1. COMPONENT TESTS
  2. INSPECTION
  3. INSPECTION
  4. -
  5. -
  6. HOW TO PROCEED WITH TROUBLESHOOTING
While the warning is given, the system cannot be canceled by unlocking the door with key or transmitter.
  1. Door Key Lock and Unlock Switch
  2. Body ECU
  3. Wire Harness
  4. Driver Door ECU
  5. Front Passenger Door ECU
  6. Multiplex Communication Circuit
  7. Transmitter
  1. TROUBLE SHOOTING
  2. HOW TO PROCEED WITH TROUBLESHOOTING
  3. FRONT DOOR
  4. -
  5. TROUBLE SHOOTING
  6. TROUBLE SHOOTING
  7. -
While the warning is given, the system cannot be canceled by turning the ignition switch to ON with key.
  1. Ignition Switch
  2. Key Unlock Warning Switch
  3. RADIO NO. 2 Fuse (Instrument Panel J/B)
  4. GAUGE Fuse (Instrument Panel J/B)
  5. Body ECU
  6. Wire Harness
  1. ADJUSTMENT
  2. ADJUSTMENT
  3. -
  4. HOW TO PROCEED WITH TROUBLESHOOTING
  5. -
  6. -
The system operates for more then 60 seconds.
  1. Body ECU
  1. ADJUSTMENT