Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Wheel Speed Sensor Malfunction (C164D)

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System / Wheel Speed Sensor Malfunction (C164D)

DESCRIPTION

This DTC is stored when the clearance warning ECU assembly receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality signal from the vehicle stability control system via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C164D

Wheel Speed Sensor Malfunction

Front wheel speed sensor malfunction

Vehicle stability control system

CAUTION / NOTICE / HINT

NOTICE:

  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

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  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

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PROCEDURE

1.

CHECK DTC OUTPUT

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

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HINT:

After turning the engine switch from off to on (IG), wait 4 seconds or more before checking for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

(b) Clear the DTCs according to the screen on the Techstream.

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Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(c) Recheck for DTCs.

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Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

HINT:

  • DTC C164D is stored when a malfunction signal sent from the vehicle stability control system is detected.
  • If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C164D will not be output again.
  • If DTC C164D is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

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Result

Proceed to

DTC C164D is output

A

DTC C164D is not output

B
A

GO TO VEHICLE STABILITY CONTROL SYSTEM

B

USE SIMULATION METHOD TO CHECK

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