Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Steering Angle Sensor Failure (C1626)

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Panoramic View Monitor System / 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) 2016-2026 Repair Manual > Steering System: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT STEERING WHEEL FREE PLAY (a) Start the engine and make sure that the vehicle is in a state in which the power steering can operate. (b) Stop the vehicle and align the front wheels facing straight ahead. (c) Gently turn the steering wheel right and left, and ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Radar Cruise Control System: Brake Switch "A" Signal Compare Failure (P057162)
    DESCRIPTION When the brake pedal is depressed, the stop light switch assembly outputs a signal to the ECM. The ECM uses this signal to control cancellation of vehicle speed by the dynamic radar cruise control. When the ECM determines that terminals STP and ST1 of the stop light switch assembly are b ...

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

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

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