Lexus ES: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK FOR DTCS
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Powertrain > Hybrid Control > Trouble Codes(e) Check the DTCs and freeze frame data, and then write them down.
(f) Check the details of the DTCs.
| Techstream Display | 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.) |
HINT:
Freeze frame data is stored for both Test Failed DTCs and Confirmed DTCs.
CHECK FREEZE FRAME DATA
(a) If a DTC is stored, select it in order to display its freeze frame data.
(b) Read the freeze frame data recorded when the DTC was stored.
CLEAR DTCS
NOTICE:
Clearing the DTCs will also clear the freeze frame data.
Click here .gif)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
(e) Clear the DTCs and freeze frame data.
Powertrain > Hybrid Control > Clear DTCsREAD NEXT:
Terminals Of Ecu
TERMINALS OF ECU *a Hybrid Vehicle Control ECU - - HINT: The standard normal voltage between each pair of hybrid vehicle control ECU terminals is shown in the table below. The appropriate
How To Proceed With Troubleshooting
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CONFIRM PROBLEM SYMPTOMS
NEXT 3. CUSTOMER PROBLEM ANALYSIS (a) Check if the vehicle has be
System Diagram
SYSTEM DIAGRAM
SEE MORE:
Open in B Power Line (B242F)
DESCRIPTION The headlight ECU sub-assembly operates using the power source voltage input from the IG terminal and ECUB terminal. The power source voltage of the ECUB terminal is supplied when the main body ECU (multiplex network body ECU) turns the ECUB power supply relay (H-LP LH relay and H-LP RH
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis
