Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000025DUW
Model Year Start: 2023 Model: Corolla Prod Date Range: [09/2022 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): C14FE14; Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open; 2023 - 2025 MY Corolla Corolla HV [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 steering angle sensor power supply circuit malfunction signal from the steering angle sensor.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

Note

C14FE14

Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open

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.
  • Wire harness or connector
  • Steering angle sensor

Does not come on

Brake/EPB

Output ECU: Skid control ECU (brake actuator assembly)

WIRING DIAGRAM

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.

NEXT

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

C14FE14 is not output

A

C14FE14 is output

B
A

USE SIMULATION METHOD TO CHECK

B

3.

CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

*a

Front view of wire harness connector

(to Steering Angle Sensor)

(a) Remove the steering wheel and column cover.

(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 I211 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

Condition

Specified Condition

I211-4 (BAT) - Body ground

Always

11 to 14 V
OK

REPLACE STEERING ANGLE SENSOR 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR