POWER ASSIST SYSTEMS POWER STEERING SYSTEM C1531 ECU Malfunction C1532 ECU Malfunction C1533 Temperature Sensor Circuit is Low or High C1534 EEPROM C1535 ECU Malfunction
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Return-to-normal Condition | Note |
|---|---|---|---|---|---|---|
| C1531 | ECU Malfunction | ECU internal malfunction
(CPU malfunction) |
Power steering ECU assembly | EPS warning light: Comes on | Ignition switch ON again | - |
| C1532 | ECU Malfunction | ECU internal malfunction (Peripheral circuit malfunction) | Power steering ECU assembly | EPS warning light: Comes on | Ignition switch ON again | - |
| C1533 | Temperature Sensor Circuit is Low or High | ECU internal malfunction
(Substrate temperature sensor malfunction) |
Power steering ECU assembly | EPS warning light: Comes on | Ignition switch ON again | - |
| C1534 | EEPROM | ECU internal malfunction
(EEPROM error) |
Power steering ECU assembly | EPS warning light: Comes on | Ignition switch ON again | - |
| C1535 | ECU Malfunction | ECU internal malfunction (Steering wheel location data error) | Power steering ECU assembly | EPS warning light: Comes on | Ignition switch ON again | - |
CAUTION / NOTICE / HINT
- NOTICE:
-
If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
-
Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>CALIBRATION
PROCEDURE
1.CHECK FOR DTC
a.
Clear the DTCs.
Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>DTC CHECK / CLEAR
- Chassis > EMPS > Clear DTCs
- 50002 142
b.
Check for DTCs.
Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>DTC CHECK / CLEAR
- Chassis > EMPS > Trouble Codes
- 50001 142
- Result:
Result Proceed to DTCs other than C1531, C1532, C1533, C1534 or C1535 are not output. A DTCs other than C1531, C1532, C1533, C1534 or C1535 are output. B
A
REPLACE POWER STEERING ECU ASSEMBLY
B
GO TO DIAGNOSTIC TROUBLE CODE CHART