- DTC judgment completed
- System normal
| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001HSQT |
| Model Year Start: 2020 | Model: Corolla Hatchback | Prod Date Range: [03/2019 - 11/2022] |
| Title: K313 (CVT): CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: P1750; Brake ECU Malfunction; 2020 - 2023 MY Corolla Corolla Hatchback [03/2019 - 11/2022] | ||
|
DTC |
P1750 |
Brake ECU Malfunction |
DESCRIPTION
When the ECM receives a malfunction signal from the skid control ECU, DTC P1750 is stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
|---|---|---|---|---|---|
|
P1750 |
Brake ECU Malfunction |
When the vehicle is being driven at 20 km/h (12 mph) or more, the ECM receives a malfunction signal from the skid control ECU (brake actuator assembly) for 9 seconds or more (1-trip detection logic). |
Electronically controlled brake system |
Comes on |
DTC stored |
CONFIRMATION DRIVING PATTERN
HINT:
After repairs have been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
- Connect the GTS to the DLC3.
- Turn the ignition switch to ON and turn the GTS on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for 2 minutes or more.
- Turn the ignition switch to ON and turn the GTS on.
- Start the engine.
- Drive the vehicle at 20 km/h (12 mph) or more for 9 seconds or more.
- Stop the vehicle.
- Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
- Input the DTC: P1750.
-
Check the DTC judgment result.
GTS Display
Description
NORMAL
ABNORMAL
- DTC judgment completed
- System abnormal
INCOMPLETE
- DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
N/A
- Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE or N/A, perform the Confirmation Driving Pattern and check the DTC judgment result again.
PROCEDURE
|
1. |
CHECK DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for electronically controlled brake system DTCs.
Chassis > Brake > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| A |
|
| B |
|
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM w/o Electric Parking Brake System: Click here
w/ Electric Parking Brake System: Click here
|
![2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): DIAGNOSTIC TROUBLE CODE CHART](/t3Portal/stylegraphics/info.gif)
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