Lexus ES manuals

Lexus ES: Dtc Check / Clear

DTC CHECK / CLEAR

CHECK DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus:

Body Electrical > Front Radar Sensor > Trouble Codes

(e) Check for DTCs (Test Failed / Pending / Confirmed).

Techstream Display

Description

Test Failed

Shows the malfunction judgment results during the current trip.

Pending

Shows the malfunction judgment results up to now. (Indicates the possibility of a malfunction when no DTC is confirmed.)

Confirmed

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

HINT:

Freeze frame data is stored respectively for pending DTCs, confirmed DTCs and the latest DTCs.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus:

Body Electrical > Front Radar Sensor > Clear DTCs

(e) Clear the DTCs.

HINT:

Clearing the DTCs will also clear the freeze frame data.

READ NEXT:

 Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION (a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAM

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Front Radar Sensor System DTC No. Detection Item Link C1A1100 Front Radar Sensor Optical Axis Misalignment Malfunction C1A8C46 Main Microcomputer

SEE MORE:

 Internal Control Module Software Incompatibility Invalid / Incompatible Software Component (U030057)

DESCRIPTION The forward recognition camera receives the vehicle information from the ECM via CAN communication. If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM, the forward recognition camera stores DTC U030057. DTC No.

 Removal

REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH (for LH Side) Click here 2. REMOVE COWL SIDE TRIM BOARD LH (for LH Side) Click here 3. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (for LH Side) Click here 4. REMOVE FRONT DOOR OPENING TRIM COVER LH (for LH Side) Click here

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