Toyota Tacoma (2015-2018) Service Manual: 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. |
|
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Check for DTCs.
Click here
OK:
DTC U023A is not output.
Result|
Proceed to |
|---|
|
OK |
|
NG |
| A | .gif) |
USE SIMULATION METHOD TO CHECK |
| B | |
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:
Cruise SET Indicator Light Circuit
DESCRIPTION
The ECM illuminates the cruise control SET indicator by sending indicator output
demand signals to the combination meter assembly via CAN communication. The cruise
control SET indicator illuminates when the dynamic radar cruise control system is
controlling vehicle speed. The crui ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
*1
CAMSHAFT
*2
CAMSHAFT BEARING CAP
*3
CAMSHAFT HOUSING SUB-ASSEMBLY RH
*4
CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
Techstream can be used in steps 3, 6, 9 and 12.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
...
