Problem Symptoms Table

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

Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit.

HINT:

The theft deterrent system is based on the premise that the door lock control system and the wireless door lock control system are operating normally. Check these systems first before troubleshooting the theft deterrent system.

PROBLEM SYMPTOMS TABLE - THEFT DETERRENT SYSTEM

Symptom	Suspected Area
Theft deterrent system cannot be set	Security indicator circuit ECU power source circuit Unlock warning switch circuit Door key lock and unlock switch Door courtesy switch circuit Luggage compartment door courtesy switch circuit Engine hood courtesy switch circuit
Security indicator does not blink when theft deterrent system is set	Security indicator circuit
Alarm sounding state cannot be canceled when ignition switch is turned from ON to OFF 10 times within 15 seconds	Ignition switch circuit Unlock warning switch circuit
Theft deterrent system can be set even when a door is open	Door courtesy switch circuit
Horns (low pitched, high pitched) do not sound while theft deterrent system is in warning operation	Horn (low pitched, high pitched) circuit
Headlamps do not flash while theft deterrent system is in warning operation	Headlamp circuit
Taillamps do not flash while theft deterrent system is in warning operation	Taillamp circuit
Hazard warning lamps do not flash while theft deterrent system is in warning operation	Hazard warning circuit
Room lamp does not illuminate while theft deterrent system is in warning operation	Room lamp circuit
Security horn does not sound while theft deterrent system is in warning operation	Security horn circuit
Headlamps flash even when theft deterrent system is not set	Headlamp circuit
Taillamps flash even when theft deterrent system is not set	Taillamp circuit
Hazard warning lamps flash even when theft deterrent system is not set	Hazard warning switch circuit
Room lamp illuminates even when theft deterrent system is not set	Room lamp circuit

If the suspected areas are found to be functioning normally, replace the instrument panel J/B assy (multiplex network body ECU).