Toyota Tacoma (2015-2018) Service Manual: Lost Communication with Front Camera Module (U023A)

Toyota Tacoma (2015-2018) Service Manual / Lighting / Lighting System / Lost Communication with Front Camera Module (U023A)

DESCRIPTION

These DTCs are stored when the CAN communication system is malfunctioning.

DTC No.		DTC Detecting Condition	Trouble Area
U023A	Lost Communication With Image Processing Module"A"	The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 secondsor more.	CAN communication system Forward recognition camera Main body ECU (multiplex network body ECU)

PROCEDURE

1.	CHECK FOR DTC

(a) Clear the DTCs.

Click here (b) Check for DTCs.

(b) Check for DTCs.

Click here OK:

OK:

DTC U023A is not output.

Result

Proceed to
OK
NG

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

Automatic High Beam Camera (B124C)

DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera ...

Automatic High Beam System does not Operate or Operation Indicator does not Illuminate

DESCRIPTION The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE ...

Other materials:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page ). (b) Disconnect the 1D driver side junction block connector. (c) Measure the voltag ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR NO. 2 POWER WINDOW REGULATOR SWITCH ASSEMBLY (a) Engage the 2 claws to install the rear No. 2 power window regulator switch assembly. 2. INSTALL INSTRUMENT PANEL LOWER CENTER FINISH PANEL Click here 3. INSTALL NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMB ...

Disassembly
DISASSEMBLY PROCEDURE 1. INSPECT FRONT DRIVE SHAFT (a) Check whether there is no remarkable play in the outboard joint. (b) Check whether the inboard joint slides smoothly in the thrust direction. (c) Check whether there is no remarkable play in the radial direction of the inboard joint. ( ...