MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
Other Monitor (There is no DTC set in memory for the item monitored below)
Not applicable
Sensor (The sensor below is determined to be normal)
Not applicable
DTC SET CONDITIONS
Logic Flow Chart
Check Conditions
BMU (SUB) power supply voltage is 8 volts to 16 volts.
Time after above conditions satisfy is more than 0.5 second.
Judgment Criterion
Change of the voltage is less than 0.2 volt or more than 4.6 volts continues for 0.5 second.
FAIL-SAFE AND BACKUP FUNCTION
Not available
PROBABLE CAUSE
The sub-battery management unit [BMU (SUB)] is failed.
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
Confirm whether the DTC P1AE3 is set.
Is the DTC set?
Remove the battery tray cover (Refer to ). Replace the sub-battery management unit [BMU (SUB)] on main drive lithium-ion battery (Refer to ). Then, assemble the main drive lithium-ion battery assembly (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).