Dtc C1531/31 Eps Ecu Circuit Malfunction
DESCRIPTION
INSPECTION PROCEDURE
CONFIRM DTC
DTC C1531/31 EPS ECU Circuit Malfunction |
DTC C1532/32 EPS ECU Circuit Malfunction |
DTC C1533/33 EPS ECU Circuit Malfunction |
DTC C1534/34 EPS ECU Circuit Malfunction |
DTC C1535/35 Steering Wheel Location Data Error |
DESCRIPTION
The fail-safe function operates to stop power assist when DTCs indicating ECU malfunctions are output. However, the power assist operation continues when DTC C1534/34 is output because it indicates an EEPROM error in the ECU.DTC No.
| DTC Detection Condition
| Trouble Area
|
C1531/31
| ECU internal malfunction (CPU malfunction)
| Power steering ECU
|
C1532/32
| ECU internal malfunction (Peripheral circuit malfunction)
|
C1533/33
| ECU internal malfunction (Substrate temperature sensor malfunction)
|
C1534/34
| ECU internal malfunction (EEPROM error)
|
C1535/35
| Steering wheel location data error (LHD or RHD)
|
INSPECTION PROCEDURE
Check for DTCs.
- OK:
- DTCs other than C1531/31, C1532/32, C1533/33, C1534/34 and C1535/35 are not output.