Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Steering Angle Sensor Failure (C1626)

DESCRIPTION

This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates an internal malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1626

Steering Angle Sensor Failure

A fail flag is transmitted from the steering angle sensor

  • Steering sensor
  • Parking assist ECU

CAUTION / NOTICE / HINT

NOTICE:

  • When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.

    Click here

  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.

    Click here

  • The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

    Click here

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Circumference Monitoring Camera Control Module > Clear DTCs

(b) Check for DTCs.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes

OK:

DTC C1626 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

REPLACE STEERING SENSOR

(a) Replace the steering sensor with a normally functioning one.

Click here

NEXT

3.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Circumference Monitoring Camera Control Module > Clear DTCs

(b) Check for DTCs.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes

OK:

DTC C1626 is not output.

OK

END (STEERING SENSOR WAS DEFECTIVE)

NG

REPLACE PARKING ASSIST ECU

    Open or Short in Steering Angle Sensor +B (C1625)
    DESCRIPTION This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates a power supply system problem. DTC No. Detection Item DT ...

    Front Wheel Speed Sensor Malfunction (C164D)
    DESCRIPTION This DTC is stored when the parking assist ECU receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality sign ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Instrument Panel Speaker: Inspection
    INSPECTION PROCEDURE 1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (for 9 Speakers) (a) With the speaker installed, check that there is no looseness or other abnormalities. (b) Check that there is no foreign matter in the speaker, no tears on the speaker cone or other abnormalities. (c) Measure the res ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Visual Mute Signal Circuit between Radio Receiver and Multi-display
    DESCRIPTION The radio receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is displayed when the screen changes so that noise and distorted images are not displayed. When an open exists in the circuit, noise and distorted images will be displayed in ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0131