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 is performed or the power switch is turned on (IG) again | There is no malfunction if this DTC is not output again after performing zero point calibration. |
CAUTION / NOTICE / HINT
Note
If the electric power steering column sub-assembly has been replaced, perform torque sensor zero point calibration.
If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
PROCEDURE
CHECK FOR DTC
Calibrate the torque sensor zero point. (Step 1)
| Tester Display |
|---|
| Torque Sensor Adjustment |
Check for DTCs. (Step 2)
Tech Tips
If DTCs are output, perform steps (1) and (2) two more times.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
END |
| A |
|
REPLACE POWER STEERING ECU ASSEMBLY
Replace the power steering ECU assembly.
for LHD: Click here
for RHD: Click here
| Result | ||
|---|---|---|
|
| NEXT |
|
CHECK FOR DTC
Calibrate the torque sensor zero point. (Step 1)
| Tester Display |
|---|
| Torque Sensor Adjustment |
Check for DTCs. (Step 2)
Tech Tips
If DTCs are output, perform steps (1) and (2) two more times.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
REPLACE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY Click here |
| B |
|
END |