Toyota Venza manuals

Toyota Venza: 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).

(c) Turn the Techstream on.

(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.


OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


NG

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.


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

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

*1

Front view of wire harness connector

(to Certification ECU (Smart Key ECU Assembly))

*2

Front view of wire harness connector

(to Accessory Meter Assembly)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

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)



OK

REPLACE ACCESSORY METER ASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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