Toyota Venza manuals

Toyota Venza: Headlight Signal Circuit

DESCRIPTION

The headlight leveling ECU assembly detects the low beam headlights status.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

First check that the low beam headlights operate normally.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (ENGINE ROOM JUNCTION BLOCK ASSEMBLY - ECU)

(a) Disconnect the A40 headlight leveling ECU assembly connector.


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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

A40-3 (B2) - Body ground

Light control switch in head position

11 to 14 V

Text in Illustration

*1

Front view of wire harness connector

(to Headlight Leveling ECU assembly)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

Front Fog Light Circuit
DESCRIPTION The main body ECU (driver side junction block assembly) controls the fog light relay. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this ...

Light Control Switch Circuit
DESCRIPTION The main body ECU (driver side junction block assembly) receives the following switch information: Light control switch position off, tail, head or AUTO Dimmer switch positi ...

Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems ne ...

Rear Wheel House Plate
Components COMPONENTS ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL NO. 2 ROCKER PANEL MOULDING PROTECTOR (a) Install the No. 2 rocker panel moulding protector with the 2 screws <B>. ...

Installation
INSTALLATION PROCEDURE 1. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG (a) Temporarily tighten the rear disc brake bleeder plug. HINT: Fully tighten the rear disc brake bleeder plug after bleeding any air left in the system. (b) Install the rear di ...

© 2016-2026 Copyright www.tovenza.com

0.1558