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:

Relay
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT DOME CUT RELAY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition ...

Removal
REMOVAL PROCEDURE 1. PRECAUTION NOTICE: Be sure to read Precaution thoroughly before servicing (See page ). 2. REMOVE SHIFT LEVER ASSEMBLY (See page ) 3. DISCONNECT INSTRUMENT PANEL WIRE ASSEMBLY (a) Check that the ignition switch is off. (b) Check ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. PERFORM SPARK TEST (a) Check for DTCs (See page ). NOTICE: If any DTC is output, perform troubleshooting procedures for that DTC. (b) Remove the ignition coils and spark plugs (See page ). (c) Disconnect ...

© 2016-2019 Copyright www.tovenza.com

0.0033