Toyota Yaris: Front Camera System / Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)
DESCRIPTION
The forward recognition camera receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication.
DTC U032257 is stored when the vehicle information from the main body ECU (multiplex network body ECU) and that stored in the forward recognition camera do not match.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
U032257 | Software Incompatibility with Body Control Module Invalid/Incompatible Software Component | The vehicle information from the main body ECU (multiplex network body ECU) and that stored in the forward recognition camera do not match. | -
Front radar sensor system
-
Main body ECU (Multiplex network body ECU)
-
Forward recognition camera
|
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
-
When the forward recognition camera is replaced with a new one or the windshield glass is replaced or removed/installed, make sure to read Before Starting Adjustment, then perform optical axis alignment for the forward recognition camera and clear the vehicle control history for each system.
HINT:
Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.
One Time Recognition: Click here
Sequential Recognition: Click here
Driving Adjustment: Click here
-
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
PROCEDURE
(a) Check for DTCs.
Body Electrical > Front Radar Sensor > Trouble Codes
Result | Proceed to |
U032257 is not output | A |
U032257 is output | B |
A |
| REPLACE FORWARD RECOGNITION CAMERA |
B |
| REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
DESCRIPTION The forward recognition camera receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication. DTC U032251 is stored when the forward recognition camera cannot confirm the vehicle information from the main body ECU (multiplex network body ECU)...
Other information:
DESCRIPTION If the ECM cannot recognize the millimeter wave radar sensor assembly. DTC U040181 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U040181 Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received Approximately 17 seconds or more after the ignition switch is turned to ON, the ECM cannot recognize the millimeter wave radar sensor assembly for approximately 5 seconds or more...
REMOVAL CAUTION / NOTICE / HINT NOTICE:
Wash the vehicle to prevent oil and other dirt from remaining on the roof panel, which is the adhesive surface of the roof outside cover.
Do not use a detergent mixed with wax.
When replacing the roof outside cover, it is necessary to apply clear coating to the roof panel surface to smooth the unevenness of the roof panel...
Categories
Before refueling, close all the doors, windows, and the liftgate/trunk
lid, and switch the ignition OFF.
To open the fuel-filler lid, pull
the remote fuel-filler lid release.

To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the
inner side of the fuel-filler lid.
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