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 ...

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