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
NOTICE:
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PROCEDURE
1. | CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
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Tester Display |
---|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
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HINT:
If DTCs are output, perform steps (1) and (2) two more times.
Result | Proceed to |
---|---|
DTCs are still output after performing steering zero point calibration 3 times. | A |
Normal system code is output. | B |
B | ![]() | END |
|
2. | REPLACE POWER STEERING ECU ASSEMBLY |
(a) Replace the power steering ECU assembly.
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|
3. | CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
Click here
Tester Display |
---|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
Click here
HINT:
If DTCs are output, perform steps (1) and (2) two more times.
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 |
B | ![]() | END |
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