Mitsubishi 1989 Galant, Service Manual

Page: 962 / 1273

ACTIVE-ELECTRONIC CONTROL SUSPENSION Troubleshooting
Operation
The G-sensor detects the amount of acceleration
that is generated (to the left or right) when the response to acceleration, and these changes are
body turns. Applying the principle of the
taken out as changes of voltage. Within the coil,
ferential transformer, the magnetic field changes
silicon oil is enclosed in order to suppress the
tion of the movable iron core. Note that the
when the movable iron core within the coil moves in
Diagnostic
sor is a special sensor for control of rolling.
When signals that are otherwise virtually
conceivable are input due to damaged or
a heavy-line circuit, the alarm light illuminates and
control is as described in the table below.
wiring or a short-circuit or similar problem of
Diagnostic No.
control
force
control control
Switch acceptance
HIGH SPORT AUTO SOFT
11
Rolling control
only stops
Normal operation Normal operation Accept
Service data indication
Code No Indication Standard value Display
11
G-sensor output when vehicle is horizontal 1 1 :
ECU terminal voltages (when connector is connected)
No
Condition
Terminal
voltage
I
34 Power supply for sensor When the ECU is activated
28 G-sensor output signal
35 Sensor circuit earth
When stopped
When wiring is damaged or disconnected
Constantly
o v
o v
TSB Revision
Checking the G-sensor circuit (with the connector disconnected)
Terminal destination or
No measured part
Tester connection Check Standard
28 G-sensor output Resistance 28-2 Constantly
34 G-sensor power source Resistance Constantly
Troubleshooting hints
Malfunction
mode
Malfunction probable cause Note
leakage Because the oil for of
l
Rolling control occurs frequently
of the G-sensor movable iron core is
due to a the sensitivity is
Damaged or
disconnected
earth line
The ground line is damaged or disconnected.
l
Malfunction is not detected because the
There are times of a feeling of
ground line is grounded to the sensor’s body
incompatibility of the rolling control
l
itself, however, noise is easily picked up.
control occurs suddenly; an error
occurs