DTC No. P0A4A-00 Rear drive motor overspeed
MONITOR EXECUTION
Continuous
MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
Other Monitor (There is no temporary DTC set in memory for the item monitored below)
Not applicable
Sensor (The sensor below is determined to be normal)
Rear motor position sensor
DTC SET CONDITIONS
Logic Flow Chart
Check Condition
REMCU power supply voltage is 8.0 volts or more.
Judgment Criterion
The revolution speed is 12,500 rpm or more for 1 second or more.
OBD-II DRIVE CYCLE PATTERN
Refer to OBD-II Drive Cycle
OBD-II DRIVE CYCLE
.
TROUBLESHOOTING HINTS
Malfunction of the rear motor assembly (Malfunction of the resolver circuit system, REMCU and motor, damaged bearing)
DIAGNOSIS
Required Special Tools:
MB992744: Vehicle communication interface-Lite (V.C.I.-Lite)
MB992745: V.C.I.-Lite main harness A
MB992747: V.C.I.-Lite USB cable short
MB992748: V.C.I.-Lite USB cable long
1.
M.U.T.-IIISE other DTC check
Check whether the REMCU sets the following DTCs.
DTC No. P0A45-00 Rear drive motor position sensor malfunction 1
DTC No. P0A46-00 Rear drive motor position sensor malfunction 6
DTC No. P0C57-00 Rear drive motor position sensor malfunction 3
DTC No. P0C58-00 Rear drive motor position sensor malfunction 2
DTC No. P0C61-00 Rear drive motor position sensor malfunction 5
DTC No. P0C62-00 Rear drive motor position sensor malfunction 4
Is the DTC set?
Troubleshoot the set DTC (Refer to
DIAGNOSTIC TROUBLE CODE CHART
). Then,
Replace the rear motor assembly (Refer to
MOTOR (ELECTRIC MOTOR UNIT) REMOVAL AND INSTALLATION
).
2.
Test the OBD-II drive cycle.
(1)
Carry out a test drive with the drive cycle pattern. Refer to OBD-II Drive Cycle
OBD-II DRIVE CYCLE
.
(2)
Check the DTC.
Is the DTC set?
Retry the troubleshooting.
The procedure is complete.