Home › Vehicle Interior › Seat › CLIMATE CONTROL SEAT SYSTEM
Last Modified: 11-27-2007 1.6 D
Service Category: Vehicle Interior Section: Seat
Model Year: 2008 Model: LX570 Doc ID: RM000001E1M00BX
Title: SEAT: CLIMATE CONTROL SEAT SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 LX570)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use these procedures to troubleshoot the climate control seat 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.

INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Using the Techstream, 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

4.

CHECK FOR DTC*

(a) Check for DTCs SEAT: CLIMATE CONTROL SEAT SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(b) Clear the DTCs SEAT: CLIMATE CONTROL SEAT SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(c) Recheck for DTCs SEAT: CLIMATE CONTROL SEAT SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

Result

Result

Proceed to

DTC does not reoccur

A

DTC reoccurs

B
B

Go to step 7
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) Data List / Active Test SEAT: CLIMATE CONTROL SEAT SYSTEM: DATA LIST / ACTIVE TEST (2008 LX570) .

(b) Terminals of ECU SEAT: CLIMATE CONTROL SEAT SYSTEM: TERMINALS OF ECU (2008 LX570) .

(c) Operation Check SEAT: CLIMATE CONTROL SEAT SYSTEM: OPERATION CHECK (2008 LX570) .

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7.

REPAIR OR REPLACE
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8.

CONFIRMATION TEST
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END