HYBRID/TROUBLE SHOOTING
3–178
3.
Reset condition
•
When the following conditions are met:
<Condition A>
Input signal for monitoring HV battery cooling fan drive signal remains at 3.6 V or less for 0.1 second or more.
<Condition B>
Input signal for monitoring HV battery cooling fan drive signal remains at 1 Hz or more for 0.5 second or more.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
HV warning light: ON
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe)>
•
–
<Symptoms on the vehicle due to malfunction>
•
–
6.
Pre-inspection work
•
Check the battery voltage to make sure that there is no abnormality.
7.
After-inspection work
•
Clear the recorded DTC.
•
Check that no DTC is detected after test-driving the vehicle.
8.
Estimated failure factors
•
Disconnection or short circuit of harness
•
Improper contact or fitting of connector
•
Malfunction of HV battery ECU start relay
•
Malfunction of HV battery cooling fan
•
Malfunction of HV ECU