Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Stop Switch Circuit Malfunction (C164E)

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System / Stop Switch Circuit Malfunction (C164E)

DESCRIPTION

When a stop light switch assembly circuit malfunction signal sent from the vehicle stability control system is detected by the clearance warning ECU assembly, DTC C164E is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C164E

Stop Switch Circuit Malfunction

Stop light switch assembly circuit open

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.

    Click here

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

    Click here

PROCEDURE

1.

CHECK DTC OUTPUT

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

Click here

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.

Click here

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

(c) Recheck for DTCs.

Click here

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

HINT:

  • DTC C164E 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 C164E will not be output again.
  • If DTC C164E 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.

    Click here

Result

Proceed to

DTC C164E is output

A

DTC C164E is not output

B
A

GO TO VEHICLE STABILITY CONTROL SYSTEM

B

USE SIMULATION METHOD TO CHECK

    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) abno ...

    Brake Hydraulic Pressure Malfunction (C164F)
    DESCRIPTION When a malfunction signal sent from the skid control ECU via CAN communication is detected by the clearance warning ECU assembly, DTC C164F is stored. DTC No. Detection Item DTC Det ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Wiper And Washer System: Parts Location
    PARTS LOCATION ILLUSTRATION *A w/o Rear No. 2 Seat *B w/ Rear No. 2 Seat *C w/ Headlight Cleaner *D w/ Auto Wiper System *1 FRONT WIPER MOTOR AND LINK ASSEMBLY *2 HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY *3 H-LP CLN RELAY *4 LEVEL WARNING SWITCH ASSEMBLY ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Window Control System: Rear Power Window RH does not Operate with Rear Power Window Switch RH
    DESCRIPTION When the engine switch is on (IG), the power window regulator motor assembly (for rear RH door) is operated by the rear power window regulator switch assembly (for RH door). The power window regulator motor assembly (for rear RH door) has motor, regulator, and ECU functions. WIRING DIAGR ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0143