Toyota Venza Quiz
Theft Deterrent / Keyless Entry

Security Indicator Light Circuit

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
~2min read
DESCRIPTION

The security indicator light blinks continuously due to a continuous signal received from the transponder key ECU assembly while in the armed state.

WIRING DIAGRAM
CAUTION / NOTICE / HINT

NOTICE:

If the transponder key ECU assembly is replaced, register the key and ECU communication ID (See page ).


PROCEDURE

  1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Immobiliser / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Immobiliser (Transponder Key ECU Assembly)

Tester Display

Test Part

Control Range

Diagnostic Note

Security Indicator

Security indicator light

ON/OFF

-

OK:

The security indicator turns on and off according to operation via the Techstream.


OK

REPLACE TRANSPONDER KEY ECU ASSEMBLY
NG

  1. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - ACCESSORY METER)

(a) Disconnect the transponder key ECU assembly connector.

(b) Disconnect the accessory meter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D22-8 (IND) - F2-14 (LP)

Always

Below 1 Ω

D22-8 (IND) - Body ground

Always

10 kΩ or higher

F2-14 (LP) - Body ground

Always

10 kΩ or higher
Text in Illustration

*1

Front view of wire harness connector

(to Transponder Key ECU Assembly)

*2

Front view of wire harness connector

(to Accessory Meter Assembly)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

  1. CHECK HARNESS AND CONNECTOR (ACCESSORY METER - BODY GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

F2-12 (E) - Body ground

Always

Below 1 Ω
Text in Illustration

*1

Front view of wire harness connector

(to Accessory Meter Assembly)

OK

REPLACE ACCESSORY METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

Test yourself

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