If the transmitting control unit is malfunctioning, a DTC may be recorded. According to the recorded DTC, inspect the power circuits and ground circuits of the millimeter wave radar or the multipurpose camera unit.
The functions of the integrated driver support system that will be temporarily canceled when this DTC is recorded can be confirmed with the DTC troubleshooting index.
U0047-F1 Multipurpose Camera Unit Local-CAN Malfunction
Is DTC U0047-00, U12B7-00, or U0047-F1 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the millimeter wave radar and the multipurpose camera unit.?
2.
Open wire check (ACC CAN-H line, ACC CAN-L line):
Open wire check (ACC CAN-H line, ACC CAN-L line)
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Disconnect the following connectors.
Millimeter wave radar 8P connector
Multipurpose camera unit 12P connector
?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
Millimeter wave radar 8P connector: disconnected
Multipurpose camera unit 12P connector: disconnected
Check for poor connections or loose terminals at the millimeter wave radar and the multipurpose camera unit. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the millimeter wave radar or the multipurpose camera unit.?
NO
Repair an open in the ACC CAN-H wire or the ACC CAN-L wire between the millimeter wave radar and the multipurpose camera unit.?
