| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001C0X7 |
| Model Year Start: 2019 | Model: GR Corolla | Prod Date Range: [06/2018 - 01/2019] |
| Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model (for Hatchback)): C1541; Vehicle Speed Signal; 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019] | ||
|
DTC |
C1541 |
Vehicle Speed Signal |
DESCRIPTION
The power steering ECU with motor assembly receives vehicle speed signals from the skid control ECU (brake actuator assembly) via CAN communication. The ECU provides appropriate assist force in accordance with the vehicle speed based on the signals.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
|---|---|---|---|---|---|---|
|
C1541 |
Vehicle Speed Signal |
Vehicle speed signals via CAN communication are cut off for 3 seconds or more. |
|
EPS warning light: Comes on |
The ECU judges the system has returned to normal or the engine switch is turned on (IG) again |
- |
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU with motor assembly has been replaced, perform assist map writing and 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)
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if DTC U0129 is output.
Click here
|
Result |
Proceed to |
|---|---|
|
DTC U0129 is not output. |
A |
|
DTC U0129 is output. |
B |
| B |
|
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
|
2. |
CHECK BRAKE CONTROL SYSTEM |
(a) Using the Techstream, check for DTCs and confirm that there are no malfunctions in the brake control system.
Click here
Chassis > Brake/EPB > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output. |
A |
|
DTCs are output. |
B |
| A |
|
| B |
|
|
|