Lexus ES: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine 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 engine 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:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the lane control system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. PRE-CHECK (a) Measure the auxiliary battery voltage with the power switch off. Standar
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during outer rear view mirror assembly with cover removal/installation are shown below. Necessary Procedure Af
