Home › Suspension › Suspension Control System › SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL PUMP AND MOTOR
Last Modified: 11-27-2007 1.6 G
Service Category: Suspension Section: Suspension Control System
Model Year: 2008 Model: LX570 Doc ID: RM0000039ZC001X
Title: SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL PUMP AND MOTOR: INSPECTION (2008 LX570)

INSPECTION

1. INSPECT HEIGHT CONTROL PUMP AND MOTOR

(a) Check the pump and motor operation.

(1) Apply battery voltage to the pump and motor connector and check the operating sound of the height control pump and motor.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 2

Battery negative (-) → Terminal 1

Motor operating sound heard

    If the result is not as specified, replace the height control pump and motor assembly.

NOTICE:

  • Be careful of fluid spray when the height control pump and motor is operated.
  • Do not allow the motor to operate for 60 seconds or more.
  • If the height control pump and motor is shorted, locked, or has a similar type of malfunction, a large amount of current will be flowing. Therefore, if the motor does not operate, immediately stop this inspection.