Toyota Venza manuals

Toyota Venza: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • 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

See page

Theft deterrent system cannot be set

Security indicator light circuit


ECU power source circuit


Unlock warning switch circuit


Front door lock assembly


Rear door lock assembly


Back door lock assembly


Door courtesy switch circuit


Back door lock assembly (Back door courtesy switch)


Engine hood courtesy switch circuit


If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Security indicator does not blink when theft deterrent system is set

Security indicator light circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Alarm sounding state cannot be canceled when ignition switch is turned to ON

Ignition switch circuit


Unlock warning switch circuit


If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Theft deterrent system can be set even when door is open

Door courtesy switch circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Theft deterrent system can be set even when engine hood is open.

Engine hood courtesy switch circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Vehicle horns (low pitched, high pitched) do not sound while theft deterrent system is in warning operation

Horn circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Headlights do not blink while theft deterrent system is in warning operation

Headlight relay circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Taillights do not blink while theft deterrent system is in warning operation

Taillight relay circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Hazard warning lights do not flash while theft deterrent system is in warning operation

Wire harness or connector

-

Turn signal flasher assembly


If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Interior light does not light up while theft deterrent system is in warning operation

Interior light circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Security horn does not sound while theft deterrent system is in warning operation

Security horn circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Headlights blink even when theft deterrent system is not set

Headlight relay circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Taillights blink even when theft deterrent system is not set

Taillight relay circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Hazard warning lights flash even when theft deterrent system is not set

Wire harness or connector

-

Turn signal flasher assembly


If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Interior light comes on even when theft deterrent system is not set

Interior light circuit


If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU (driver side junction block assembly)


Customize Parameters
CUSTOMIZE PARAMETERS HINT: The following items can be customized. NOTICE: After confirming whether the items requested by the customer are applicable or not for customization, perform ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION The ECU stores trouble codes when trouble occurs on the vehicle. The diagnostic system allows for reading of the trouble codes from the DLC3. Use the Techstream to ...

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Your vehicle is not designed to be driven off-road. However, in the event that off-road driving cannot be avoided, please observe the following precautions to help avoid the areas prohibited to vehicles. • Drive your vehicle only in areas where off-road ...

Light Sensor Circuit Malfunction (B1244)
DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal, and outputs it to the main body ECU (driver side junction block assembly). The main body ECU (driver side junction block assembly) turns on or off ...

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