RM3660EC _58 Vehicle Interior _080747 THEFT DETERRENT / KEYLESS ENTRY _0588948 THEFT DETERRENT SYSTEM(except NR Series Engine) T

THEFT DETERRENT / KEYLESS ENTRY  THEFT DETERRENT SYSTEM(except NR Series Engine)  PROBLEM SYMPTOMS TABLE  


NOTICE:

If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.


HINT:
·

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

·

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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 areas in the order they are listed. Replace parts as necessary.

·

Inspect the fuses and relays related to this system before inspecting the suspected areas below.



Theft Deterrent System
Symptom Suspected Area Link
The theft deterrent system cannot be set or canceled Proceed to "Security Indicator Light does not Blink"*1 Click here
Proceed to "Security Indicator Light does not Blink"*2 Click here
IG signal circuit Click here
Door unlock detection switch circuit Click here
Door courtesy switch circuit Click here
Luggage compartment door courtesy switch circuit Click here
Engine hood courtesy switch circuit Click here
Luggage electrical key switch Click here
Harness or connector -
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
Security indicator light does not blink when theft deterrent system is set Proceed to "Security Indicator Light does not Blink"*1 Click here
Proceed to "Security Indicator Light does not Blink"*2 Click here
The theft deterrent system becomes set by itself Check customize setting Click here
Door courtesy switch circuit Click here
Luggage electrical key switch Click here
Engine hood courtesy switch circuit Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The theft deterrent system cannot be canceled by turning the ignition switch to ON*3 Check customize setting Click here
Refer to "Smart Entry and Start System (for Start Function)"*1 Click here
Refer to "Smart Entry and Start System (for Start Function)"*2 Click here
Certification ECU (Smart key ECU assembly) -
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The theft deterrent system cannot be canceled by unlocking doors using the mechanical key*3 Check customize setting Click here
Refer to "Power Door Lock Control System" Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
None of the alarm functions operate or the theft deterrent system can be set even when all necessary conditions are not met Door unlock detection switch circuit Click here
Door courtesy switch circuit Click here
Luggage compartment door courtesy switch circuit Click here
Engine hood courtesy switch circuit Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The doors are not forcibly locked when the vehicle is in the alarm sounding state Smart entry and start system (for Entry Function) Click here
Wireless door lock control system Click here
Door unlock detection switch circuit Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The vehicle does not enter the alarm sounding state when the battery is reconnected while the vehicle is in the armed state Check operation of the security indicator light Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The vehicle does not enter the alarm sounding state when the luggage compartment door is opened while the vehicle is in the armed state Check operation of the security indicator light Click here
Luggage compartment door courtesy switch circuit Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The vehicle does not enter the alarm sounding state when the engine hood is opened while the vehicle is in the armed state Check operation of the security indicator light Click here
Engine hood courtesy switch circuit Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The vehicle does not enter the alarm sounding state when the doors are unlocked while the vehicle is in the armed state Door unlock detection switch circuit Click here
Door courtesy switch circuit Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The security horn assembly does not operate when the vehicle is in the alarm sounding state Security horn circuit Click here
The hazard warning lights do not operate when the vehicle is in the alarm sounding state Lighting system (EXT) Click here
Meter/gauge system*4 Click here
Meter/gauge system*5 Click here
If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (multiplex network body ECU) Click here
The vehicle horn does not operate when the vehicle is in the alarm sounding state Horn circuit Click here

*1: for HV Model

*2: for Gasoline Model

*3: for vehicles displaying the Item "Security Control with Mechanism Key Function" on the GTS

*4: for 12.3 Inch Display

*5: except 12.3 Inch Display