Trouble Shooting
WARNING:
Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS article.
DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
Verify power door lock system is operating properly before trouble shooting anti-theft system. Anti-theft system will not operate properly if power door lock system is not operating properly. When anti-theft system is not operating properly, lower door windows and determine under what conditions system does not operate or malfunctions. See SYMPTOM DIAGNOSIS table.
SYMPTOM DIAGNOSIS
| Problem | (1) Inspect | |||
|---|---|---|---|---|
| System Cannot Be Set | Anti-Theft Indicator Circuit ECU Power Source Circuit Key Unlock Warning Switch Circuit Luggage Compartment Door Key Lock & Unlock Switch Circuit Luggage Compartment Door Courtesy Switch Circuit Door Key Lock & Unlock Switch Circuit Door Courtesy Switch Circuit Door Unlock Detection Switch Circuit Engine Hood Courtesy Switch Circuit |
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| Indicator Does Not Flash When System Is Set | Anti-Theft Indicator Circuit | |||
| With System Set, System Does Not Operate | ||||
| When Rear Door Is Unlocked | Door Unlock Detection Switch Circuit | |||
| When Luggage Compartment Door Is Opened By Other Than Key | Luggage Compartment Door Courtesy Switch Circuit | |||
| When Engine Hood Is Opened | Engine Hood Courtesy Switch Circuit | |||
| While System Is In Warning Operation | ||||
| Standard Horns Do Not Sound | Horn Relay Circuit | |||
| Anti-Theft Horn Does Not Sound | Anti-Theft Horn Circuit | |||
| Headlights Do Not Flash | Headlight Control Relay Circuit | |||
| Taillights Do Not Flash | Taillight Relay Circuit | |||
| Door Lock Is Not Locked | Door Unlock Detection Switch Circuit | |||
| System Cannot Be Canceled When Ignition Is In ACC or ON Position | Ignition Switch Circuit | |||
| System Does Not Cancel When Luggage Compartment Door Is Opened With Key | Luggage Compartment Door Key Lock & Unlock Switch Circuit | |||
| System Remains Set When A Rear Door Is Opened | Door Courtesy Switch Circuit | |||
| Standard Horns Sound When System Is Not Set | Horn Relay Circuit | |||
| Anti-Theft Horn Sounds When System Is Not Set | Anti-Theft Horn Circuit | |||
| Headlights Flash When System Is Not Set | Headlight Relay Circuit | |||
| Taillights Flash When System Is Not Set | Taillight Relay Circuit | |||
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