Toyota Avalon Service & Repair Manual: Steering Angle Sensor Power Source Voltage (C1432)

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

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 G48 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

G48-4 (BAT) - Body ground

Always

11 to 14 V

G48-9 (IG) - 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.

NOTICE:

Before measuring the resistance of the steering angle sensor, turn the power 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

G48-6 (ESS) - Body ground

1 minute after power switch off

Below 1 Ω

OK

REPLACE STEERING ANGLE SENSOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT)

    Motor Circuit (C1428)

    Steering Angle Sensor Internal Circuit (C1433)

    See More:

    Toyota Avalon Service & Repair Manual > Power Mirror Control System(for Hv Model With Memory): How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power mirror control system (w/ Memory). *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the problem symptoms have been accurately id ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2020 Copyright www.tavalon.net
    0.027