Mitsubishi 1989-1993 GALANT Service Manual page 953

ACTIVE-ELECTRONIC CONTROL SUSPENSION - Troubleshooting
Diagnostic
Malfunction
trouble
code No.
Damaged or disconnected
wiring, or a short-circuit, of
the exhaust valve actuation
circuit (for vehicle-height
adjustment), or a
malfunction of an output
transistor within the ECU.
45
Damaged or disconnected
wiring, or a short-circuit, of
the flow-rate switchover
valve actuation circuit, or a
malfunction of an output
transistor within the ECU.
46
Damaged or disconnected
wiring of the front or rear
exhaust valve actuation
circuit (for active control), or
a malfunction of an output
transistor within the ECU.
47
Damaged or disconnected
wiring of the front or rear
air-supply valve actuation
circuit, or a malfunction of
an output transistor within
the ECU.
51
Vehicle condition
The alarm light illuminates,
and the attitude-control
function and the vehicle-
height control function are
stopped.
The damping force is held
to MEDIUM.
The alarm light illuminates,
and the attitude-control
function and the vehicle-
height control function are
stopped.
The damping force is held
to MEDIUM.
The alarm light illuminates,
and the attitude-control
function and the vehicle-
height control function are
stopped.
The damping force is held
to MEDIUM.
The alarm light illuminates,
and the attitude-control
function and the vehicle-
height control function are
stopped.
The damping force is held
to MEDIUM.
TSB Revision
Probable cause
l Damaged or disconnect-
ed wiring, or a short
-circuit, of the exhaust
valve coil (for vehicle
-height adjustment).
l Damaged or disconnect-
ed wiring, or a short
-circuit, of the exhaust
valve actuation circuit (for
vehicle-height
adjustment).
connector of the exhaust
valve actuation circuit (for
vehicle-height
adjustment).
ECU malfunction.
l
Damaged or disconnected
l
wiring, or a short -circuit, of
the flow-rate switchover
valve coil.
Damaged or disconnected
l
wiring, or a short-circuit, of
the flow-rate switchover
valve circuit harness.
l Disconnection of the
flow-rate switchover
valve circuit connector.
l ECU malfunction.
Damaged or disconnect-
l
ed wiring of the front or
rear exhaust valve coil (for
active control).
ed wiring of the front or
rear exhaust valve circuit
(for active control).
l Disconnection of the
connector of the front or
rear exhaust valve circuit
(for active control).
ECU malfunction.
l
wiring of the front or rear
air-supply valve coil.
Damaged or disconnected circuit [23],
l
wiring of the front or rear
air-supply valve circuit
harness.
l Disconnection of the
connector of the front or
rear air-supply valve circuit.
l ECU malfunction.
Action
Troubleshoot
ing hints
classified by
circuit [20]
ing hints
classified by
circuit [21]
ing hints
classified by
circuit [22]
ing hints
classified by