Toyota Venza manuals

Toyota Venza: Automatic High Beam System (B124B)

Toyota Venza Service Manual / Lighting (ext) / Lighting System / Automatic High Beam System (B124B)

DESCRIPTION

The DTC is stored when the main body ECU (driver side junction block assembly) detects malfunctions in the automatic high beam system.

DTC No.

DTC Detection Condition

Trouble Area

B124B

Malfunction in automatic high beam system

  • Steering angle sensor, VSC system or EFI system
  • Inner rear view mirror assembly

CAUTION / NOTICE / HINT

NOTICE:

First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom.

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs (See page ).


(b) Check for DTCs (See page ).


OK:

DTC B124B is not output.


OK

USE SIMULATION METHOD TO CHECK


NG

2.

CHECK FOR DTC

(a) Check for DTCs (See page ).


Result

Proceed to

DTC B2414 is output

A

DTC B2415 is output

B

DTC U0126, DTC U0129 or DTC U0101 is output

C

Other DTC is not output

D


A

GO TO DTC CHART


B

GO TO DTC CHART


C

GO TO DTC CHART


D

REPLACE INNER REAR VIEW MIRROR ASSEMBLY

Automatic High Beam Mirror (B124A)
DESCRIPTION The DTC is stored when the main body ECU (driver side junction block assembly) detects malfunctions in the inner rear view mirror assembly. DTC No. DTC Detection ...

Automatic High Beam Camera (B124C)
DESCRIPTION The DTC is stored when the main body ECU (driver side junction block assembly) detects malfunctions in the camera (inner rear view mirror assembly). DTC No. DTC D ...

Other materials about Toyota Venza:

Combination Meter
Components COMPONENTS ILLUSTRATION Disassembly DISASSEMBLY PROCEDURE 1. REMOVE COMBINATION METER GLASS (a) Disengage the 9 claws to remove the combination meter glass. Removal REMOVAL ...

Back Door Opener Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE BACK DOOR PANEL TRIM ASSEMBLY 2. REMOVE REAR LIGHT ASSEMBLY LH 3. REMOVE REAR LIGHT ASSEMBLY RH HINT: Use the same procedure for the RH side and LH side. 4. REMOVE BA ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

© 2016-2019 Copyright www.tovenza.com

0.207