Soft hard LEXUS LS430 2003 Factory Repair Manual

b. Turn the ignition switch to the ON position and turn the hand-held tester main switch on.
c. Select the item below in the ACTIVE TEST and operate it with the hand-held tester.
NORMAL CONDITION DESCRIPTION
d. Check the hardness of the absorber while operating the absorber control actuator level from 1 to 17
or from 17 to 1 through the ACTIVE TEST.
OK:
Hardness of the absorber becomes harder or softer.
NG: Go to step 2
OK: REPLACE SUSPENSION CONTROL ECU (SEE REPLACEMENT
)
2.INSPECT ABSORBER CONTROL ACTUATOR
a. Disconnect the absorber control actuator connector.
b. Measure the resistance according to the value (s) in the table below.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (FRONT RH)
ItemNormal Condition
DAMPER FR1 to 17 step (The absorber becomes softer as the level approaches to 1 and harder
as the level approaches to 17)
DAMPER FL1 to 17 step (The absorber becomes softer as the level approaches to 1 and harder
as the level approaches to 17)
DAMPER RR1 to 17 step (The absorber becomes softer as the level approaches to 1 and harder
as the level approaches to 17)
DAMPER RL1 to 17 step (The absorber becomes softer as the level approaches to 1 and harder
as the level approaches to 17)
Tester ConnectionSpecified Condition
1 (FBR+) - 3 (GND)12.0 to 12.8 ohms
2 (FAR+) - 3 (GND)12.0 to 12.8 ohms
3 (GND) - 4 (FBR-)12.0 to 12.8 ohms
3 (GND) - 5 (FAR-)12.0 to 12.8 ohms