Toyota Venza manuals

Toyota Venza: Diagnosis Circuit

DESCRIPTION

This circuit is used to read the DTCs that are output from the transponder key ECU assembly with the Techstream.

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.

CHECK HARNESS AND CONNECTOR (DLC3 - TRANSPONDER KEY ECU AND BODY GROUND)

(a) Disconnect the transponder key ECU assembly connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D22-9 (D) - D1-7 (SIL)

Always

Below 1 Ω

D1-4 (CG) - Body ground

Always

Below 1 Ω

D22-9 (D) - Body ground

Always

10 kΩ or higher

D1-7 (SIL)- 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 DLC3)


OK

REPLACE TRANSPONDER KEY ECU ASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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 ...

Entry Lock And Unlock Switch
...

Other materials about 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 certifica ...

Installation
INSTALLATION PROCEDURE 1. INSTALL UNLOCK WARNING SWITCH (a) Engage the 2 claws and install the unlock warning switch to the steering column upper bracket. (b) Extract the key. (c) Co ...

Installation
INSTALLATION PROCEDURE 1. INSTALL DOOR CONTROL RECEIVER (a) Install the door control receiver with the bolt. (b) Connect the connector. 2. INSTALL ROOF SIDE INNER GARNISH ASSEMBLY RH HINT: Use th ...

© 2016-2026 Copyright www.tovenza.com

0.1417