Home › Suspension › Suspension Control System › SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION
Last Modified: 11-27-2007 1.6 D
Service Category: Suspension Section: Suspension Control System
Model Year: 2008 Model: LX570 Doc ID: RM000001CTF006X
Title: SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: HOW TO PROCEED WITH TROUBLESHOOTING (2008 LX570)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use these procedures to troubleshoot the active height control suspension.
  • *: 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 FOR DTC*

(a) Check for DTCs SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: DTC CHECK / CLEAR (2008 LX570) .

(b) Clear the DTCs.

(c) Recheck for DTCs.

Result

Result

Proceed to

DTC is not output

A

CAN DTC is output

B

DTC is output

C
B

Go to CAN communication system

C

Go to step 6
A

4.

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 6
A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: TERMINALS OF ECU (2008 LX570) .

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6.

ADJUST, REPAIR OR REPLACE*
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7.

CONFIRMATION TEST
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END