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:
Removal
REMOVAL
PROCEDURE
1. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)
(See page )
2. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY
(a) Loosen the 2 union nuts and remove the No. 2 fuel pipe sub-assembly from
the fuel delivery pipe RH and fuel delivery pipe sub-assembly LH.
Text in Illustration
...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the circuit listed
for the code in the table below (proceed to the page listed for that circuit).
1. Occupant Detection ECU
HINT:
When DTC B1650/32 is detected as a result of troubleshooting the Supplement ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
