Toyota Venza: Security Indicator Light Circuit

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

DESCRIPTION

The security indicator light blinks continuously due to a continuous signal received from the certification ECU (smart key ECU assembly) while the engine immobiliser is set.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the certification ECU (smart 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 engine switch on (IG).

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

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

Smart Key (Certification ECU (Smart Key ECU Assembly))

Tester Display	Test Part	Control Range	Diagnostic Note
Security Indicator	Security indicator light	ON or OFF	-

OK:

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

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

2.	CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ACCESSORY METER ASSEMBLY)

(a) Disconnect the certification ECU (smart key ECU assembly) connector.

(b) Disconnect the accessory meter assembly connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
D25-2 (INDS) - F2-14 (LP)	Always	Below 1 Ω
D25-2 (INDS) - 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 Certification ECU (Smart 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 ASSEMBLY - 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

Antenna Coil Open / Short (B2784)

DESCRIPTION This DTC is stored when there is an open or short in the transponder key coil (built into the engine switch). DTC No. DTC Detection Condition Trouble A ...

Engine Immobiliser System(w/o Smart Key System)

...

Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH (a) Disengage the 3 clips, 7 claws and guide, and remove the front door scuff plate LH. 2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH ...

Entry Interior Alarm does not Sound
DESCRIPTION The smart key system uses the combination meter buzzer to perform various vehicle interior warnings. When the conditions for each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer signal to the combination meter as ...

Precaution
PRECAUTION HINT: In the airbag system, the front airbag sensor, door side airbag sensor and rear airbag sensor are collectively referred to as the airbag sensors. The steering pad, driver side knee airbag assembly, front passenger airb ...