Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001C0X5
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)): C1517; Torque Hold; 2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]

DTC

C1517

Torque Hold

DESCRIPTION

While DTC C1517 is detected, power assist is stopped due to fail-safe operation.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Return-to-normal Condition

Note

C1517

Torque Hold

Temporary control due to malfunction related to torque sensor continues for long time

Power steering ECU with motor assembly

EPS warning light: Comes on

Engine switch on (IG) again

-

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

If the power steering ECU with motor 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

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

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)): DTC CHECK / CLEAR

Chassis > EMPS > Trouble Codes

OK:

DTC C1511 and C1512 are not output.

Result

Proceed to

DTCs C1511 and C1512 are not output

A

DTC C1511 is output

B

DTC C1512 is output

C
A

REPLACE POWER STEERING ECU WITH MOTOR ASSEMBLY 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL

B

GO TO DTC C1511

C

GO TO DTC C1512