Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open (C14FE14)

Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open (C14FE14)

DESCRIPTION

This DTC is stored when the skid control ECU (brake actuator assembly) receives a power supply malfunction signal from the steering angle sensor.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C14FE14

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

When the +BS terminal voltage is from 9.5 to 17.4 V, a steering angle sensor power supply malfunction signal is received from the steering angle sensor.
  • Steering angle sensor
  • Wire harness and connector

WIRING DIAGRAM

Click here

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.

CLEAR DTC

(a) Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

Chassis > Brake/EPB > Clear DTCs

(b) Press the DTC clear button.

(c) Turn the engine switch off.

NEXT

2.

RECONFIRM DTC

(a) Start the engine.

(b) Perform a road test.

(c) Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake/EPB / Trouble Codes.

Chassis > Brake/EPB > Trouble Codes

(d) Check if the same DTC is output.

Result

Proceed to

DTC C14FE14 is not output.

A

DTC C14FE14 is output.

B
A

USE SIMULATION METHOD TO CHECK

B

3.

CHECK HARNESS AND CONNECTOR (IG1 TERMINAL)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

*a

Front view of wire harness connector

(to Steering Angle Sensor)

(b) Disconnect the J32 steering angle sensor connector.

(c) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(d) Turn the engine switch on (IG).

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

J32-4 (IG1) - Body ground

Engine switch on (IG)

11 to 14 V
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

4.

CHECK HARNESS AND CONNECTOR (BAT TERMINAL)

(a) Turn the engine switch off.

*a

Front view of wire harness connector

(to Steering Angle Sensor)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

J32-5 (BAT) - Body ground

Always

11 to 14 V
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

5.

CHECK HARNESS AND CONNECTOR (GND TERMINAL)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J32-1 (ESS) - Body ground

1 minute or more after disconnecting the cable from the negative (-) battery terminal

Below 1 Ω
OK

REPLACE STEERING ANGLE SENSOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Left Rear Wheel Speed Sensor Supply Voltage Circuit Short to Ground or Open (C14E614,C14E914)
    DESCRIPTION Refer to DTC C050C1F. Click here DTC No. Detection Item DTC Detection Condition Trouble Area C14E614 Left Rear Wheel Speed Sensor Supply Voltage Circuit Short to Ground or ...

    Brake Switch "A" Circuit Short to Ground (P057111)
    DESCRIPTION The skid control ECU (brake actuator assembly) inputs the stop light signal and brake operation condition. When the brake pedal is depressed and the stop light switch signal is not input, ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Amplifier Antenna (w/o Rear No. 2 Seat): Components
    COMPONENTS ILLUSTRATION *1 BACK DOOR LOCK COVER *2 BACK DOOR TRIM BASE *3 BACK DOOR TRIM COVER LH *4 BACK DOOR TRIM COVER RH *5 BACK DOOR TRIM PANEL ASSEMBLY *6 BACK WINDOW UPPER PANEL TRIM *7 DOOR PULL HANDLE *8 NO. 1 AMPLIFIER ANTENNA ASSEMBLY *9 NO. 1 ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Headlight Assembly: Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL HEADLIGHT ASSEMBLY (a) w/ Automatic Headlight Beam Level Control System: (1) Engage the clamp. (2) Connect the connector and raise t ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2022 Copyright www.lexusrx.net
    0.0176