Toyota Venza Quiz
Theft Deterrent / Keyless Entry

Problem Symptoms Table

In this manual: Theft Deterrent / Keyless Entry
Introduction — 15Maintenance — 8Audio / Video — 102Garage Door Opener — 8Navigation / Multi Info Display — 81Park Assist / Monitoring — 50Brake (front) — 7Brake (rear) — 7Brake Control / Dynamic Control Systems — 79Brake System (other) — 28Parking Brake — 22Axle And Differential — 44Drive Shaft / Propeller Shaft — 24Mf1a Transfer / 4wd / Awd — 46U660e Automatic Transmission / Transaxle — 1241ar-fe Cooling — 311ar-fe Emission Control — 101ar-fe Engine Control — 1331ar-fe Engine Mechanical — 441ar-fe Fuel — 311ar-fe Intake / Exhaust — 211ar-fe Lubrication — 111ar-fe Starting — 16Cruise Control — 241ar-fe Battery / Charging — 162gr-fe Battery / Charging — 17Networking — 67Power Distribution — 8Power Assist Systems — 34Steering Column — 37Steering Gear / Linkage — 29Alignment / Handling Diagnosis — 4Front Suspension — 39Rear Suspension — 35Tire / Wheel — 4Tire Pressure Monitoring — 35Door / Hatch — 83Exterior Panels / Trim — 56Horn — 4Lighting (ext) — 89Mirror (ext) — 36Sliding Roof / Convertible — 26Window / Glass — 87Wiper / Washer — 30Door Lock — 85Heating / Air Conditioning — 82Interior Panels / Trim — 20Lighting (int) — 37Meter / Gauge / Display — 41Mirror (int) — 9Power Outlets (int) — 10Seat — 84Seat Belt — 43Supplemental Restraint Systems — 131Theft Deterrent / Keyless Entry — 155
~4min read
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

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)

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 horn(s) (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)

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.