POWER ASSIST SYSTEMS  POWER STEERING SYSTEM  C1515  Torque Sensor Zero Point Adjustment Undone  


DESCRIPTION

This DTC does not indicate a malfunction. The power steering ECU assembly stores this DTC when it determines that torque sensor zero point calibration has not been performed.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note
C1515 Torque Sensor Zero Point Adjustment Undone This DTC is stored when torque sensor zero point calibration has not been performed. - EPS warning light: Comes on Zero point calibration occurs There is no malfunction if this DTC is not output again after performing zero point calibration.

CAUTION / NOTICE / HINT

NOTICE:
·

If the electric power steering column sub-assembly has been replaced, perform torque sensor zero point calibration.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>CALIBRATION

·

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.

Calibrate the torque sensor zero point (step 1).

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>CALIBRATION

Chassis > EMPS > Utility
Tester Display
Torque Sensor Adjustment
50005 142 224

b.

Check for DTCs (step 2).

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>DTC CHECK / CLEAR

Chassis > EMPS > Trouble Codes
50001 142
HINT:

If DTCs are output, perform steps 1 and 2 two more times.



Result:
Result Proceed to
DTCs are still output after performing steering zero point calibration 3 times. A
Normal system code is output. B



A

2.REPLACE POWER STEERING ECU ASSEMBLY

B

END

2.REPLACE POWER STEERING ECU ASSEMBLY
a.

Replace the power steering ECU assembly.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING ECU>REMOVAL


Result:
Proceed to
NEXT



NEXT

3.CHECK FOR DTC
3.CHECK FOR DTC
a.

Calibrate the torque sensor zero point (step 1).

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>CALIBRATION

Chassis > EMPS > Utility
Tester Display
Torque Sensor Adjustment
50005 142 224

b.

Check for DTCs (step 2).

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>DTC CHECK / CLEAR

Chassis > EMPS > Trouble Codes
50001 142
HINT:

If DTCs are output, perform steps 1 and 2 two more times.



Result:
Result Proceed to
DTCs are still output after performing steering zero point calibration 3 times. A
Normal system code is output. B



A

REPLACE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY

Click hereSteering>STEERING COLUMN>STEERING COLUMN ASSEMBLY>REMOVAL


B

END