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DTC P1AE3: BMU TEMP. Sensor (Open/Short)
 
 
 
 
MONITOR EXECUTION
  • Continuous
 
 
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 ).