Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Dtc Check / Clear

DTC CHECK / CLEAR

DTC CHECK

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

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

(d) Turn the Techstream on.

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

Chassis > Brake/EPB > Trouble Codes

(f) Check the details of the DTCs.

NOTICE:

  • Make sure to clear the DTCs after repair.
  • The vehicle stability control system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the vehicle stability control system are output, refer to Diagnostic Trouble Code Chart for the relevant system.

    System

    Proceed to

    Electric Parking Brake System

Display Item

Description

Test Failed

Shows the malfunction judgment results during the current trip.

Confirmed

Shows the DTCs confirmed up to now (The number of current trips differs for each DTC.)

  • Freeze frame data is stored for each of the latest result DTCs and confirmed DTCs.
  • Refer to the diagnostic trouble code chart and perform the necessary troubleshooting procedures.

    Click here

(g) Check the freeze frame data.

(1) If a DTC is stored, check the corresponding freeze frame data to gain an understanding of the vehicle condition at the time.

Click here

CHECK TIME STAMP

HINT:

By checking Time Stamp, the time and order in which DTCs were stored in an ECU can be checked.

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

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

(d) Turn the Techstream on.

(e) Enter the following menus: Health Check.

(f) Perform the following steps when the data setting screen is displayed.

(g) Select the systems for which to perform Health Check and check for time stamp data.

Selectable items:
  • Powertrain
  • Chassis
  • Body
  • Store All Data

(h) Select "Yes" when "Would you like to include Time Stamp Data?" is displayed.

HINT:

If "Yes" is not selected, time stamp data will not be stored.

(i) After Health Check has completed, select "Time Stamp Data" to display the Time Stamp screen.

(j) Select the desired system from the drop-down list on the bottom of the Time Stamp screen.

(k) Check the order and time which DTCs were stored for the selected system.

DTC CLEAR

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

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

(d) Turn the Techstream on.

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

Chassis > Brake/EPB > Clear DTCs

(f) Clear the DTCs by following the prompts on the Techstream.

HINT:

Refer to the Techstream operator's manual for further details.

    Diagnosis System
    DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting a vehicle with the diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and read ...

    Freeze Frame Data
    FREEZE FRAME DATA FREEZE FRAME DATA (a) Using the Techstream, check the vehicle condition (ECU, sensor) when the brake system operates or a DTC is output. CHECK FREEZE FRAME DATA WHEN DTC WAS STORED ...

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

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

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