Last Modified: 6-7-2017 6.8:8.0.40 Doc ID: RM000001A74000X
Model Year Start: 2006 Model: Land Cruiser Prod Date Range: [05/2005 -           ]
Title: THEFT DETERRENT: THEFT DETERRENT SYSTEM: PROBLEM SYMPTOMS TABLE; 2006 MY Land Cruiser [05/2005 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected area in the order they are listed. Replace parts as necessary.

Symptom

Suspected area

See page

Theft deterrent system is not set

Security indicator light circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Security Indicator Light Circuit

Unlock warning switch circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Unlock Warning Switch Circuit

Door courtesy switch circuit

2006 MY Land Cruiser [05/2005 -        ]; LIGHTING: LIGHTING SYSTEM: Door Courtesy Switch Circuit

Door unlock detection switch circuit

2006 MY Land Cruiser [05/2005 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Unlock Detection Switch Circuit

Engine hood courtesy switch circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Engine Hood Courtesy Switch Circuit

Power source circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Power Source Circuit

Theft warning ECU assembly

2006 MY Land Cruiser [05/2005 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE

Security indicator light does not light up or blink

Security indicator light circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Security Indicator Light Circuit

Theft warning ECU assembly

2006 MY Land Cruiser [05/2005 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE

Theft deterrent system cannot be unset even if ignition switch is ON

Unlock warning switch circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Unlock Warning Switch Circuit

Power source circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Power Source Circuit

Theft warning ECU assembly

2006 MY Land Cruiser [05/2005 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE

During warning condition, horn does not operate

Security horn circuit

2006 MY Land Cruiser [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Security Horn Circuit

Theft warning ECU assembly

2006 MY Land Cruiser [05/2005 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE