Theft Deterrent System
This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting. Refer to MULTIPLEX COMMUNICATION SYSTEM .
THEFT DETERRENT SYSTEM PROBLEM SYMPTOM
| Symptom | Suspect Area | Action |
|---|---|---|
| The system cannot be set. | 1. Indicator Light | THEFT DETERRENT SYSTEM |
| 2. Key Unlock Warning Switch | INSPECTION | |
| 3. Door Unlock Detection Switch | POWER DOOR LOCK CONTROL SYSTEM | |
| 4. Engine Hood Courtesy Switch | THEFT DETERRENT SYSTEM | |
| 5. Luggage Compartment Door Courtesy Switch | INSPECTION | |
| 6. Wire Harness | - | |
| 7. Each Door ECU | - | |
| 8. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| The system cannot be canceled when the ignition switch is turned to ON with key. | 1. Key Unlock Warning Switch | INSPECTION |
| 2. Ignition Switch | INSPECTION | |
| 3. RAD NO. 2 Fuse | POWER SOURCE | |
| 4. Wire Harness | - | |
| 5. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| The system cannot be canceled when the luggage compartment door is unlocked with key. | 1. Luggage Compartment Door Courtesy Switch | INSPECTION |
| 2. Wire Harness | - | |
| 3. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| The system does not operate when the engine hood is opened. | 1. Engine Hood Courtesy Switch | THEFT DETERRENT SYSTEM |
| 2. Wire Harness | - | |
| 3. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| The system does not operate when the ignition switch is turned to ACC without using a key or transmitter. | 1. Ignition Switch | INSPECTION |
| 2. Key Unlock Warning Switch | INSPECTION | |
| 3. Transmitter | WIRELESS DOOR LOCK CONTROL SYSTEM | |
| 4. Wire Harness | - | |
| 5. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| Some of the system does not operate. (Headlight does not light up) |
1. Headlight System | USA: HEADLIGHT AND TAILLIGHT SYSTEM: , CANADA: HEADLIGHT AND TAILLIGHT SYSTEM: |
| 2. Wire Harness | - | |
| 3. Body No. 2 ECU | BODY ECU NO. 2 SYSTEM OPERATION CHECK | |
| 4. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| Some of the system does not operate. (Taillight does not light up.) |
1. Taillight System | USA: HEADLIGHT AND TAILLIGHT SYSTEM: , CANADA: HEADLIGHT AND TAILLIGHT SYSTEM: |
| 2. Wire Harness | - | |
| 3. Body No. 2 ECU | BODY ECU NO. 2 SYSTEM OPERATION CHECK | |
| 4. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| Some of the system does not operate. (Theft Deterrent Horn or Horn does not sound.) |
1. HORN Fuse | POWER SOURCE |
| 2. Theft Deterrent Horn | THEFT DETERRENT SYSTEM | |
| 3. Horn | HORN SYSTEM | |
| 4. Horn Relay | HORN SYSTEM | |
| 5. Wire Harness | - | |
| 6. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| 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 | POWER DOOR LOCK CONTROL SYSTEM |
| 2. Wire Harness | - | |
| 3. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| While the warning is given, the system cannot be canceled by turning the ignition switch to ACC or ON with key. | 1. Ignition Switch | INSPECTION |
| 2. Key Unlock Warning Switch | INSPECTION | |
| 3. RAD NO. 2 Fuse | POWER SOURCE | |
| 4. ECU-IG Fuse | POWER SOURCE | |
| 5. Wire Harness | - | |
| 6. Body No. 2 ECU | BODY ECU NO. 2 SYSTEM OPERATION CHECK | |
| 7. Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK | |
| The system operates for more than 60 seconds. | Body No. 1 ECU | BODY ECU NO. 1 CONTROL SYSTEM OPERATION CHECK |