Toyota Venza manuals

Toyota Venza: Automatic High Beam Mirror (B124A)

Toyota Venza Service Manual / Lighting (ext) / Lighting System / 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 Condition

Trouble Area

B124A

Malfunction in inner rear view mirror assembly

Inner rear view mirror assembly

WIRING DIAGRAM


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 B124A is not output.


OK

USE SIMULATION METHOD TO CHECK


NG

REPLACE INNER REAR VIEW MIRROR ASSEMBLY

Lost Communication with ECM (U0101,U0073,U0126,U0129,U0142,U0182,U1000)
DESCRIPTION The DTCs are stored when the CAN communication system is malfunctioning. DTC No. DTC Detection Condition Trouble Area U0101 L ...

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 Condi ...

Other materials about Toyota Venza:

Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high output (e.g. shorted to +B), the ECM stores this DTC. DTC No. DTC Detection Condition Trouble Area B279A ...

Power Back Door Touch Sensor
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE UPPER BACK WINDOW PANEL TRIM 2. REMOVE BACK DOOR PANEL TRIM ASSEMBLY 3. DISCONNECT POWER BACK DOOR ROD (for LH Side) 4. REMOVE BACK DOOR TRIM COVER 5. REMOVE POW ...

TC and CG Terminal Circuit
DESCRIPTION Connecting terminals TC and CG of the DLC3 causes the AWD control ECU to display 2-digit DTCs by flashing the AWD warning light. HINT: When each warning light remains blinking, a short to ground in the wiring of terminal TC of the DLC3 or an ...

© 2016-2025 Copyright www.tovenza.com

0.1403