| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM10000000260SD |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System TMC Made): C14FE14; Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 - ] | ||
|
DTC |
C14FE14 |
Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open |
DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) receives a power supply malfunction signal from the steering angle sensor.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C14FE14 |
Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open |
When the +BS terminal voltage is from 9.5 to 17.4 V, a steering angle sensor power supply malfunction signal is received from the steering angle sensor. |
|
WIRING DIAGRAM
Refer to DTC C05262A.
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![2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System TMC Made): C05262A; Steering Angle Sensor Module Signal Stuck In Range](/t3Portal/stylegraphics/info.gif)
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Chassis > Brake/EPB > Clear DTCs
(b) Turn the ignition switch off.
|
|
2. |
RECONFIRM DTC |
(a) Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.
(b) Check if the same DTC is output.
Chassis > Brake/EPB > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC C14FE14 is not output. |
A |
|
DTC C14FE14 is output. |
B |
| A |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (IGR TERMINAL) |
|
(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors. OK: The connector is securely connected. |
|
(b) Disconnect the I46 steering angle sensor connector.
(c) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Turn the ignition switch to ON.
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I46-9 (IGR) - Body ground |
Ignition switch ON |
11 to 14 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (BAT TERMINAL) |
|
(a) Turn the ignition switch off. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I46-4 (BAT) - Body ground |
Always |
11 to 14 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HARNESS AND CONNECTOR (ESS TERMINAL) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I46-6 (ESS) - Body ground |
1 minute or more after disconnecting the cable from the negative (-) battery terminal |
Below 1 Ω |
| OK |
|
REPLACE STEERING ANGLE SENSOR
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|