Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001D2L3 |
Model Year Start: 2019 |
Model: GR Corolla |
Prod Date Range: [06/2018 - 09/2022] |
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C14FE14; Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022] |
DTC
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C14FE14
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Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open
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DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) receives a +B line open signal from the steering angle sensor.
DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
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C14FE14
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Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open
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With the +BS terminal voltage between 9.6 and 16.5 V, a steering angle sensor power supply circuit malfunction signal is received from the steering angle sensor.
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-
Wire harness or connector
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Steering angle sensor
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.
Chassis > Brake > Clear DTCs
(d) Press the DTC clear button.
NEXT
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|
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(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.
(d) Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.
Chassis > Brake > Trouble Codes
(e) Check if the same DTC is output.
Result
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Proceed to
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DTC C14FE14 is not output.
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A
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DTC C14FE14 is output.
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B
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B
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|
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3.
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CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)
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(a) Remove the steering wheel and column cover.
|
|
*a
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Front view of wire harness connector
(to Steering Angle Sensor)
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|
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(b) Make sure that there is no looseness at the locking part and the connecting part of the connector.
OK:
The connector is securely connected.
(c) Disconnect the I46 steering angle sensor connector.
(d) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
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Condition
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Specified Condition
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I46-4 (BAT) - Body ground
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Always
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11 to 14 V
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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