| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001C0X3 |
| Model Year Start: 2019 | Model: GR Corolla | Prod Date Range: [06/2018 - 09/2019] |
| Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model (for Hatchback)): C1515; Torque Sensor Zero Point Adjustment Undone; 2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019] | ||
|
DTC |
C1515 |
Torque Sensor Zero Point Adjustment Undone |
DESCRIPTION
This DTC does not indicate a malfunction. The power steering ECU with motor 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 engine 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:
-
If the electric power steering column sub-assembly has been replaced, perform torque sensor zero point calibration.
Click here
![2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model (for Hatchback)): CALIBRATION](/t3Portal/stylegraphics/info.gif)
-
If the power steering ECU with motor assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
Click here
Chassis > EMPS > Utility
|
Tester Display |
|---|
|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
Click here
Chassis > EMPS > Trouble Codes
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 WITH MOTOR ASSEMBLY |
(a) Replace the power steering ECU assembly.
Click here
|
|
3. |
CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
Click here
Chassis > EMPS > Utility
|
Tester Display |
|---|
|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
Click here
Chassis > EMPS > Trouble Codes
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 |
|
|