Lexus ES: 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. |
|
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. As a result, a DTC may be stored.
-
If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera adjustment.
HINT:
Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.
One Time Recognition: Click here
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Sequential Recognition: Click here
PROCEDURE
| 1. | CHECK FOR DTCs |
(a) Check for DTCs.
Body Electrical > Front Radar Sensor > Trouble Codes| Result | Proceed to |
|---|---|
| Front radar sensor system DTC U030557 is not output | A |
| Front radar sensor system DTC U030557 is output | B |
| A | .gif) | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
| B | | REPLACE FORWARD RECOGNITION CAMERA |
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s
Parts Location
PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 FORWARD RECOGNITION WITH HEATER HOOD SUB-ASSEMBLY *3 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU - -
SEE MORE:
RSA (Road Sign Assist)
The RSA system recognizes specific
road signs using the front camera
to provide information to the
driver via the display.
If the system judges that the vehicle
is being driven over the speed limit,
performing prohibited actions, etc.
in relation to the recognized road
signs, it alerts t
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detected using the Data List function of the Techstream. (a) Turn the power switch off. (b) Connect the Techstream
