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

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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 ...

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