Lexus ES manuals

Lexus ES: Check For Intermittent Problems

Lexus ES (XZ10) Service Manual / Vehicle Exterior / Wiper / Washer / Wiper And Washer System (for Hv 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 power 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

Click here

READ NEXT:

 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 power 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

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here HINT: Use the table below to help determine the cause of problem

SEE MORE:

 Hybrid/EV Battery "A" Voltage Sensor/Boosting Converter Voltage Sensor "A" Signal Compare Failure (P1C2D62)

DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a VB sensor or VL sensor malfunction. The cause of this malfunction may be one of the following: Inverter voltage (VB or VL) sensor internal circuit malfunction Voltage sensor malfunction Motor generator control ECU (MG

 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

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