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 > Road Sign Assist > 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 > Road Sign Assist > 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 road sign assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data. C
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the road sign assist system, a message will be displayed on the multi-information display and the road sign assist system will be di
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
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU NOTICE:
DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
Do not apply excessive force to the forward recognition camera connector.
CHECK FORWARD RECOGNITI
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. OPERATION CHECK (a) Disconnect the No. 1 vacuum hose connector from the vacuum pump assembly. Click here (b) Connect the hose of the vacuum gauge to the vacuum pump assembly. *a Vacuum Gauge *b Plug (c) Start the engine and warm i
