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Home >> Toyota >> 2005 >> Avalon Touring >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Theft Deterrent System >> Problem Symptoms Table

Problem Symptoms Table

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

HINT:

Troubleshooting of the theft deterrent system is based on the premise that the smart key system, the door lock control system and the wireless door lock control system are operating normally. Therefore, before troubleshooting the theft deterrent system, first make certain that the above 3 systems are operating normally.

PROBLEM SYMPTOMS TABLE - THEFT DETERRENT SYSTEM

Symptom Suspected Area
Theft deterrent system cannot be set
  1. Security indicator circuit
  2. ECU power source circuit
  3. Unlock warning switch circuit ((1))
  4. Door key lock and unlock switch
  5. Door courtesy light switch circuit
  6. Back door courtesy switch circuit
  7. Engine hood courtesy switch circuit
  8. Replace instrument panel J/B assy (multiplex network body ECU)
Security indicator does not blink when theft deterrent system is set
  1. Security indicator circuit
Alarm sounding state can not be canceled when ignition switch is turned ON-OFF 10 times within 15 seconds ((1))
  1. Ignition switch circuit
  2. Unlock warning switch circuit ((1))
Theft deterrent system can be set even when a door is open
  1. Door courtesy light switch circuit
Vehicle horns (low pitched, high pitched) do not sound while theft deterrent system is in warning operation
  1. Horn circuit
Headlights do not flash while theft deterrent system is in warning operation
  1. Headlight circuit
Taillights do not flash while theft deterrent system is in warning operation
  1. Taillight circuit
Hazard warning lights do not flash while theft deterrent system is in warning operation
  1. Hazard warning light circuit
Room light does not light up while theft deterrent system is in warning operation
  1. Interior light circuit
Security horn does not sound while theft deterrent system is in warning operation
  1. Security horn circuit
Headlights flash even when theft deterrent system is not set
  1. Headlight circuit
Taillights flash even when theft deterrent system is not set
  1. Taillight circuit
Hazard warning lights flash even when theft deterrent system is not set
  1. Hazard warning light switch circuit
Room light comes on even when theft deterrent system is not set
  1. Interior light circuit
Glass breakage sensor does not operate
  1. Glass breakage sensor circuit
(1) w/o Smart key system
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