Toyota Venza manuals

Toyota Venza: 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 key and ECU communication ID (See page ).


PROCEDURE

1.

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

(a) Disconnect the transponder key ECU assembly connector.


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

Standard Voltage:

Tester Connection

Condition

Specified Condition

D22-1 (+B) - Body ground

Always

11 to 14 V

D22-2 (IG) - Body ground

Ignition switch off

Below 1 V

D22-2 (IG) - Body ground

Ignition switch ON

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

D22-16 (GND) - Body ground

Always

Below 1 Ω

Text in Illustration

*1

Front view of wire harness connector

(to Transponder Key ECU Assembly)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE

Security Indicator Light Circuit
DESCRIPTION The security indicator light blinks continuously due to a continuous signal received from the transponder key ECU assembly while in the armed state. WIRING DIAGRAM CAUTION / NOTICE ...

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 ...

Other materials about Toyota Venza:

Position Initialization Incomplete (B2343)
DESCRIPTION This DTC is output when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized. DTC Code DTC Detection Condition Trouble Area B2343 Sliding roof ECU (sli ...

Installation
INSTALLATION PROCEDURE 1. INSTALL FRONT NO. 1 STABILIZER BAR BUSHING (a) Install the 2 front No. 1 stabilizer bar bushings to the front stabilizer bar as shown in the illustration. Text in Illustration *1 ...

Security Indicator Light Circuit
DESCRIPTION Even when the theft deterrent system is in the disarmed state, the security indicator blinks due to a signal output from the immobiliser system. The security indicator blinks continuously due to a continuous signal received from the immobilise ...

© 2016-2025 Copyright www.tovenza.com

0.1136