Toyota Venza manuals

Toyota Venza: ECU Power Source Circuit

DESCRIPTION

This circuit provides power for main body ECU (driver side junction block assembly) operation.

WIRING DIAGRAM


PROCEDURE

1.

CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE))

(a) Disconnect the 2C driver side junction block assembly connector.


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

Standard Voltage:

Tester Connection

Condition

Specified Condition

2C-24 - Body ground

Always

11 to 14 V

2C-30 - Body ground

Always

11 to 14 V

Text in Illustration

*1

Front view of wire harness connector

(to Driver Side Junction Block Assembly)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

2.

CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND)

(a) Disconnect the 2F driver side junction block assembly connectors.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

2F-16 - Body ground

Always

Below 1 Ω

Text in Illustration

*1

Front view of wire harness connector

(to Driver Side Junction Block Assembly)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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 continuo ...

Theft Deterrent System(w/o Smart Key System)
...

Other materials about Toyota Venza:

Installation
INSTALLATION PROCEDURE 1. TEMPORARILY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH (a) Temporarily install the compressor and magnetic clutch and bracket with the 4 bolts. 2. INSTALL COMPRESSOR AND MA ...

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ). 2. REMOVE REAR DOOR INSIDE HANDLE BEZEL PLUG 3. REMOVE REAR P ...

Power Source Mode does not Change to ON (ACC)
DESCRIPTION When the engine switch is pushed with the electrical key in the cabin, the power management control ECU receives signals to change the power source mode. HINT: To allow use of the Techstream to inspect the push-button start function when the ...

© 2016-2021 Copyright www.tovenza.com

0.2307