VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1432

DTC Code DTC Name
C1432 Steering Angle Sensor Power Source Voltage Malfunction

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

Note

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 (spiral cable sub-assembly)

Tire pressure warning light (w/ tire pressure warning system) is off.

WIRING DIAGRAM

Refer to DTC C1434.

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CAUTION / NOTICE / HINT

Note:

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

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

    1. C303814C01

      *a

      Front view of wire harness connector

      (to Steering Angle Sensor (Spiral Cable Sub-assembly))

      Remove the steering wheel and column cover.

    2. Make sure that there is no looseness at the locking part and the connecting part of the connector.

    3. Disconnect the E15 steering angle sensor (spiral cable sub-assembly) connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      E15-6 (BAT) - Body ground

      Always

      11 to 14 V

      E15-5 (IG) - Body ground

      Ignition switch ON

      11 to 14 V*1

      9.5 to 14 V*2

      • *1: w/o Stop and Start System

      • *2: w/ Stop and Start System

    Result

    Result

    Proceed to

    OK

    A

    NG (w/o Stop and Start System)

    B

    NG (w/ Stop and Start System)

    C
    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)

    C

    INSPECT STOP AND START SYSTEM (BACKUP BOOST CONVERTER CIRCUIT)

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    A

  2. CHECK HARNESS AND CONNECTOR (GROUND TERMINAL)

    1. C303814C02

      *a

      Front view of wire harness connector

      (to Steering Angle Sensor (Spiral Cable Sub-assembly))

      Turn the ignition switch off.

    2. Measure the resistance according to the value(s) in the table below.

      Note:

      Before measuring the resistance of the steering angle sensor, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or switches, or opening or closing the doors.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E15-2 (ESS) - Body ground

      1 minute after turning ignition switch off

      Below 1 Ω

      Result

      Proceed to

      OK

      NG
      Tip:

      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.

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    OK

    REPLACE SPIRAL CABLE SUB-ASSEMBLY

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    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)