Toyota CH-R Service Manual: Steering Angle Sensor Power Source Voltage Malfunction (C1432)

Toyota CH-R Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Steering Angle Sensor Power Source Voltage Malfunction (C1432)

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.

Detection Item

DTC Detection Condition

Trouble Area

C1432

Steering Angle Sensor Power Source Voltage Malfunction

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.
  • Steering angle sensor power supply
  • Steering angle sensor

WIRING DIAGRAM

Refer to DTC C1434.

Click here

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.

(c) Disconnect the E69 steering angle sensor connector.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

E69-5 (BAT) - Body ground

Always

11 to 14 V

E69-4 (IG1) - Body ground

Ignition switch ON

11 to 14 V

Result

Proceed to

OK

A

NG

B
B

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
A

2.

CHECK HARNESS AND CONNECTOR (GROUND TERMINAL)

(a) Turn the ignition 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

E69-1 (ESS) - Body ground

Always

Below 1 Ω

HINT:

If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

Click here

OK

REPLACE STEERING ANGLE SENSOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)
    Brake Pedal Load Sensing Switch OFF Stuck Malfunction (C1430,C1431)
    DESCRIPTION The brake pedal load sensing switch turns on when the brake pedal is depressed with a force exceeding a predetermined level. The skid control ECU uses this circuit to detect if the bra ...

    Steering Angle Sensor Internal Circuit (C1433)
    DESCRIPTION This DTC is stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the steering angle sensor. DTC No. Detection I ...

    Other materials:

    Toyota CH-R Service Manual > Lighting System: Clearance Light/Daytime Running Light Circuit
    DESCRIPTION Clearance light function: When the main body ECU (multiplex network body ECU) receives the light control switch position signal, it sends an illumination request signal to the headlight ECU sub-assembly LH and illuminates the clearance lights. Daytime runni ...

    Toyota CH-R Service Manual > Lighting System: Footwell Light Circuit
    DESCRIPTION The main body ECU (multiplex network body ECU) controls the door mirror foot lights. WIRING DIAGRAM PROCEDURE 1. PERFORM ACTIVE TEST USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techst ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2021 Copyright www.tochr.net
    0.0187