Toyota Venza: Security Indicator Light Circuit

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Engine Immobiliser System(w/o Smart Key System) / Security Indicator Light Circuit

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.

(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.

REPLACE TRANSPONDER KEY ECU ASSEMBLY

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

(a) Disconnect the transponder key ECU assembly connector.

(b) Disconnect the accessory meter assembly connector.

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

Front view of wire harness connector

(to Transponder Key ECU Assembly)

Front view of wire harness connector

(to Accessory Meter Assembly)

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.	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)

REPLACE ACCESSORY METER ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

Door Courtesy Switch Circuit

DESCRIPTION When an additional transponder key is registered, the transponder key ECU assembly detects the front door courtesy light switch assembly (for driver side) open/close condition, and en ...

ECU Power Source Circuit

DESCRIPTION This circuit provides power to operate the transponder key ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the transponder key ECU assembly is replaced, register the ...

Other materials about Toyota Venza:

No Communication in Immobiliser System (B2796,B2798)
DESCRIPTION These DTCs are stored if a key that does not have a transponder chip is inserted into the ignition key cylinder or if communication between the key and the transponder key ECU assembly is impossible. DTC No. DTC Detectio ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the start function. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Clearance Warning Ecu
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE RH 2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH 3. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 4. REMOVE LOWER INSTRUMENT PANEL SUB-ASS ...