HYBRID/TROUBLE SHOOTING
3–523
DTC: P0A2B (TCE9)
EN01H03ZZZ030602004039
DTC: P0A2B (TCE9) Abnormality in characteristics of motor temperature sensor
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected an abnormality in the characteristics (Low abnormality) of the motor temperature detecting sensor.
2.
DTC set condition
(1)
DTC detection condition
•
Control power supply voltage is 8 V or more.
•
Inverter start signal is ON.
•
Since the engine speed reaches 600 r/min or more, 180 seconds or more have passed.
•
The engine intake air temperature is -10
C {14
F} or more.
•
No abnormality is detected in the engine intake air temperature sensor.
•
A state in which the square sum of motor current for 120 seconds is 400,000 [A
2
s] is detected twice.
(2)
Judgement criteria
•
The motor coil temperature deviation (Max - Min) of 2.0
C {35.6
F} or less is met twice in 480 seconds.
3.
Reset condition
•
The motor coil temperature deviation (Max - Min) of more than 2.0
C {35.6
F} is met twice in 480 seconds.
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 engine may become unable to start. (Note, however, that vehicles equipped with a starter will be started with
the starter.)
•
Idling stop is not available.
•
The regeneration function stops, reducing the feeling of deceleration during deceleration.
6.
Pre-inspection work
•
Check the battery voltage to make sure that there is no abnormality.
Inverter
Motor temperature sensor
26
CN4-34 P5A1
CN4-35 THA1
CN4-26 SLD4
D
35
D
34
D
3
Y
8
Y
4
Y
SHTS03ZZZ0300334
