Mitsubishi 1989-1993 GALANT Service Manual page 982

ACTIVE-ELECTRONIC CONTROL SUSPENSION - Troubleshooting
Diagnostic
When a signal (error code) indicating an abnormal
condition (resulting from damage or disconnection
of the heavy-line circuit, or a malfunction of a
Diagnostic No. Attitude control
22 Control stop
Service data indication
Code No
22 Current vehicle-height level (ERROR When
when there is a malfunction)
each photointerruptor.
ECU terminal voltages (when connector is connected)
No
25 Power source for sensor
Front vehicle-herght signal
56.57
36
Checking the front-height sensor circuit (with the connector disconnected)
Terminal Connectron destination c
No measured part
Front-height sensor
power-supply crrcuit
Front-height sensor
56
57
Troubleshooting hints (mechanical malfunctions)
Malfunction
mode
Improper Because of the improper adjustment of the
adjustment of the front-height sensor rod, a signal not
front-height sensor corresponding to the actual vehicle
rod
being sent to the ECU
Damping force
control
normal
If mal-
function
When the ECU is activated
When the photo-rnterruptors are ON
When the photo-interruptors are OFF
I Constantlv
Measurement Tester connection
Resistance
25-36
Resistance
54-36
55-36
56-36
57-36
Malfunction probable cause
height is
photo-transistor, etc.) is input, the alarm light illu-
minates and control is as described in the table
below.
V e h i c l e - h e i g h t ~
control
HIGH
Control stop
Indication example
level.
22; ERROR
Indicates that an error code is
beina output.
Condition
Check condition
Contact the tester's (-1 probe to
terminal 25, and the ( + ) probe to
terminal 36.
Note
Even if the result is good here,
the sensor must not be judged tc
be certainly good.
Contact the tester's (-1 probe to
terminal 25, and the (+ 1 probe to
terminal 36, and check to be sure
that there is continuity, leave the
connections as they are.
Connect the tester's (-1 probe to
each terminal of the wiring
harness connector, and the (+ J
probe to terminal 36
Separate the lever (of the height
sensor) from the rod, and
Malfunction
When the engine is stopped and left as it is,
l
the height of onlythe front end decreases to
lower than the NORMAL vehicle height
With the engrne running, the height of the front
l
end lower than the NORMAL vehicle height
IS
With the engine running (AUTO mode and
l
end becomes higher than the NORMAL helght)
I
Switch acceptance
SPORT 1 AUTO SOFT
Not accept
1111
1: ON,O: OFF
Terminal
o v
I o v
Standard
(The
fluctuates)
No
I
Continuity
slowly
Note
I