| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001G8ZQ |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for HV Model): C1245; Deceleration Sensor; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
|
DTC |
C1245 |
Deceleration Sensor |
DESCRIPTION
The parking brake ECU (brake actuator assembly) receives vehicle tilt angle information from the deceleration sensor (airbag ECU assembly) via CAN communication.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Memory |
Note |
|---|---|---|---|---|---|
|
C1245 |
Deceleration Sensor |
One of following conditions is met:
|
Deceleration sensor (Airbag ECU assembly) |
DTC stored |
An electric parking brake system malfunction is displayed on the multi-information display. |
DTC Detection Conditions
|
Vehicle Condition |
||||
|---|---|---|---|---|
|
Pattern 1 |
Pattern 2 |
Pattern 3 |
||
|
Diagnosis Condition |
Power switch on (IG) |
○ |
○ |
○ |
|
Malfunction Status |
An error signal is sent from the deceleration sensor (airbag ECU assembly) |
○ |
- |
- |
|
While the deceleration sensor (airbag ECU assembly) signal is judged to be stuck, starting off and stopping the vehicle occurs 16 times |
- |
○ |
- |
|
|
Comparison error between deceleration sensor (airbag ECU assembly) 1 and deceleration sensor (airbag ECU assembly) 2 output values occurs |
- |
- |
○ |
|
|
Detection Time |
Approximately 0.3 seconds |
- |
60 seconds or more |
|
|
Number of Trips |
1 trip |
1 trip |
1 trip |
|
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the deceleration sensor (airbag ECU assembly), perform initialization and calibration of the linear solenoid valve.
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![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): INITIALIZATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for DTCs.
Chassis > ABS/VSC/TRC > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
|
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM
|
|
|
2. |
CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM) |
(a) Clear the DTCs.
Chassis > Electric Parking Brake > Clear DTCs
(b) Turn the power switch off.
(c) Check for DTCs.
Chassis > Electric Parking Brake > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are output |
A |
|
DTCs are not output |
B |
| A |
|
REPLACE AIRBAG ECU ASSEMBLY
|
| B |
|
|
|