Lexus ES: Check For Intermittent Problems
Lexus ES (XZ10) Service Manual / Vehicle Interior / Wiper / Washer / Wiper And Washer System (for Gasoline Model) / Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
NOTICE:
- If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history has been read and saved, the operation history information could be lost.
- The Operation History function uses the current system time of the Techstream and the time counter inside the controlling ECU to calculate the times shown in the operation history. For this reason, before reading the operation history, first make sure that the Techstream system clock is accurately set to the current time.
CHECK OPERATION HISTORY
HINT:
The windshield wiper motor assembly records the wiper and washer system operation history, which can be read using the Techstream.
(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 / Wiper / Utility / Operation History.
Body Electrical > Wiper > Utility| Tester Display |
|---|
| Operation History |
(e) Following the instructions on the screen, read and save the Operation History.
| Tester Display |
|---|
| Motor Lock Detection |
| Temperature Protection Detection |
| Overvoltage Detection |
| Low Voltage Detection |
SYMPTOM SIMULATION
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the wiper and washer system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK CHECK DOOR OPEN LINKED WIPER SUSPEND FUNCTION (w/ Auto Wiper System) (a) Continuously apply water to the windshield glass in front of the rain sensor. (b) Turn the engine switch on (IG
Customize Parameters
CUSTOMIZE PARAMETERS NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customiz
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA HINT: The battery ECU assembly records vehicle and driving condition information as freeze frame data the moment a DTC is stored. It can be used for estimating or duplicating the vehicle conditions that were present when the malfunction occurred. To confirm the de
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