Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001G7A9
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): C1432; Steering Angle Sensor Power Source Voltage; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DTC

C1432

Steering Angle Sensor Power Source Voltage

DESCRIPTION

The skid control ECU (brake booster with master cylinder assembly) outputs this DTC when it receives a sensor power source malfunction signal from the steering angle sensor.

DTC No.

Detection Item

INF Code

DTC Detection Condition

Trouble Area

MIL

Note

C1432

Steering Angle Sensor Power Source Voltage

703

Steering angle sensor power supply malfunction signal is received from steering angle sensor.

  • Wire harness or connector
  • Steering angle sensor

Does not come on

VSC DTC

WIRING DIAGRAM

Refer to DTC C1434.

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): C1434; Steering Angle Sensor Output

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

(a) Remove the steering wheel and column cover.

*a

Front view of wire harness connector

(to Steering Angle Sensor)

(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

Condition

Specified Condition

I46-4 (BAT) - Body ground

Always

11 to 14 V

I46-9 (IG1) - Body ground

Power switch on (IG)

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)

OK

2.

CHECK HARNESS AND CONNECTOR (GND TERMINAL)

(a) Turn the power switch off.

*a

Front view of wire harness connector

(to Steering Angle Sensor)

(b) 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 (-) auxiliary battery terminal

Below 1 Ω

OK

REPLACE STEERING ANGLE SENSOR 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT)