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

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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 ...

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