Home › Vehicle Interior › Seat › FRONT POWER SEAT CONTROL SYSTEM
Last Modified: 11-27-2007 1.6 D
Service Category: Vehicle Interior Section: Seat
Model Year: 2008 Model: LX570 Doc ID: RM000000T5B00RX
Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 LX570)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use the following procedures to troubleshoot the front power seat control 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 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

A

4.

PROBLEM SYMPTOMS TABLE

(a) Refer to the Problem Symptoms Table SEAT: FRONT POWER SEAT CONTROL SYSTEM: PROBLEM SYMPTOMS TABLE (2008 LX570) .

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 6
A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test SEAT: FRONT POWER SEAT CONTROL SYSTEM: DATA LIST / ACTIVE TEST (2008 LX570)

(b) Terminals of ECU SEAT: FRONT POWER SEAT CONTROL SYSTEM: TERMINALS OF ECU (2008 LX570)

(c) Operation Check SEAT: FRONT POWER SEAT CONTROL SYSTEM: OPERATION CHECK (2008 LX570)

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6.

REPAIR OR REPLACE
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7.

CONFIRMATION TEST
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END