Problem Symptoms Table

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

Proceed to the reference page shown in the matrix chart below for each malfunction symptom and make a troubleshooting for each circuit.

HINT:

Troubleshooting of the theft deterrent system is based on the premise that the door lock control system is operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that the door lock control system is operating normally.

PROBLEM SYMPTOMS TABLE - THEFT DETERRENT SYSTEM

Problem Symptom	Suspected Area
Theft deterrent system cannot be set	Indicator light circuit ECU power source circuit Key unlock warning switch circuit Back door key lock and unlock switch circuit Engine hood courtesy switch circuit Door lock control system
Indicator light does not blink when system is set	Indicator light circuit
When the system is set (The system does not operate when the engine hood is opened)	Engine hood courtesy switch circuit
When the system is set (It is not canceled when the ignition key is turned to ACC or ON position)	Ignition switch circuit
When the system is set (It is still operating when the luggage door is opened with the key)	Luggage door key lock and unlock switch circuit
While the system is in warning operation (Horn does not sound)	Horn circuit
Even when the system is not set (Horn sounds)	Horn circuit