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Last Modified: 11-27-2007 1.6 D
Service Category: Vehicle Exterior Section: Wiper/Washer
Model Year: 2008 Model: LX570 Doc ID: RM000002M5S006X
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 LX570)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use these procedures to troubleshoot the wiper and washer system.
  • *: Use the Techstream.

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

B
B

Go to CAN COMMUNICATION SYSTEM

4.

CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the LIN communication system is functioning normally.

Result

Result

Proceed to

LIN DTC is not output

A

LIN DTC is output

B
B

Go to LIN COMMUNICATION SYSTEM

A

5.

PROBLEM SYMPTOMS TABLE

Result

Result

Proceed to

Fault is not listed in problem symptoms table

A

Fault is listed in problem symptoms table

B
B

Go to step 7
A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU WIPER / WASHER: WIPER AND WASHER SYSTEM: TERMINALS OF ECU (2008 LX570) .

(b) Data List / Active Test WIPER / WASHER: WIPER AND WASHER SYSTEM: DATA LIST / ACTIVE TEST (2008 LX570) .

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7.

REPAIR OR REPLACE
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8.

CONFIRMATION TEST
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END