DTC U3000:42, U3000:43, U3000:44, U3000:45, U3000:46, U3000:47, U3000:48, U3000:49, U3000:96 [REAR VEHICLE MONITORING SYSTEM]

id0902z2975800

System malfunction location

Rear vehicle monitoring control module (RH) malfunction
Detection condition
•  U3000:42*1
―  Rear vehicle monitoring control module (RH) ROM malfunction detected.
•  U3000:43
―  Rear vehicle monitoring control module (RH) external RAM malfunction detected.
•  U3000:44
―  Rear vehicle monitoring control module (RH) internal RAM malfunction detected.
•  U3000:45
―  Rear vehicle monitoring control module (RH) ROM malfunction detected.
•  U3000:46
―  Rear vehicle monitoring control module (RH) EEPROM malfunction detected.
•  U3000:47
―  Rear vehicle monitoring control module (RH) monitoring system malfunction detected.
•  U3000:48
―  Rear vehicle monitoring control module (RH) communication circuit malfunction detected.
•  U3000:49
―  Rear vehicle monitoring control module (RH) voltage control circuit malfunction detected.
•  U3000:96
―  Rear vehicle monitoring control module (RH) internal circuit malfunction detected.
Fail-safe
•  U3000:42*1
―  Inhibits the rear vehicle monitoring system.
•  U3000:43
―  Inhibits the rear vehicle monitoring system.
•  U3000:44
―  Inhibits the rear vehicle monitoring system.
•  U3000:45
―  Inhibits the rear vehicle monitoring system.
•  U3000:46
―  Inhibits the rear vehicle monitoring system.
•  U3000:47
―  Inhibits the rear vehicle monitoring system.
•  U3000:48
―  Inhibits the rear vehicle monitoring system.
•  U3000:49
―  Inhibits the rear vehicle monitoring system.
•  U3000:96
―  Inhibits the rear vehicle monitoring system.
Possible cause
•  Rear vehicle monitoring control module (RH) malfunction
System wiring diagram
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Diagnostic Procedure

Step

Inspection

Action
1
PERFORM DTC INSPECTION AND VERIFY REAR VEHICLE MONITORING CONTROL MODULE (RH) MALFUNCTION
•  Clear the DTC for the rear vehicle monitoring control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 1.5 s or more.
•  Perform the DTC inspection for the rear vehicle monitoring control module using the M-MDS.
•  Are DTCs U3000:42*1/U3000:43/U3000:44/U3000:45/U3000:46/U3000:47/U3000:48/U3000:49/U3000:96 displayed?
Yes
Replace the rear vehicle monitoring control module (RH), then go to the next step.
(See REAR VEHICLE MONITORING CONTROL MODULE REMOVAL/INSTALLATION.)
No
Go to the next step.
2
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [REAR VEHICLE MONITORING SYSTEM].)
No
DTC troubleshooting completed.

*1  :Rear vehicle monitoring control module connector 10-pin type