HYBRID/TROUBLE SHOOTING
3–210
DTC: P0A93 (TC7A)
EN01H03ZZZ030602003029
DTC: P0A93 (TC7A) Abnormality in inverter cooling system
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected an abnormality in high temperature of inverter coolant.
2.
DTC set condition
(1)
DTC detection condition
•
The starter key is set to the ON position.
•
The control power supply voltage is 8 V or more.
(2)
Judgement criteria
•
The HV system coolant temperature remains more than 70
C {158
F} for 15 seconds or more.
3.
Reset condition
•
The HV system coolant temperature remains at 70
C {158
F} or less for 15 seconds 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>
•
The idling stop function becomes inoperative.
•
The regeneration function stops, which may reduce the feeling of deceleration during deceleration.
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.
HV ECU
Coolant temperature sensor
H
H
K
K
79
80
2
1
THW
E2
SHTS03ZZZ0300140
