Mitsubishi 1989-1993 GALANT Service Manual page 974

ACTIVE-ELECTRONIC CONTROL SUSPENSION
Service data indication
Code No Indication
17 ECU input voltage indications when When switches are open
SPORT, AUTO, SOFT, HIGH
switches are pressed.
ACTIVE-ECS indicators check chart
C h e c k i n g t h e p o w e r s o u r c e c i r c u i t
Disconnect the battery terminals, and, after erasure of the
ECU mode memory, turn the ignition key to the ON position.
The sound of the damplng force switching actuators (step
motors), installed at the front struts and at the rear shock --+
absorbers, will be heard.
When terminal 15 of the ACTIVE-ECS indicator is grounded,
the "SOFT" damping force characteristic indicator and the -
"NORM" vehicle-height indicator will illuminate.
Approximately 12V is measured when the voltage between
ground and terminal 20 of the indicator and the ACTIVE-ECS --+
is measured.
ACTIVE-ECS Indicator power source circuit OK Proceed to
checking of the individual ACTIVE-ECS lndlcators
When SPORT switch is ON
When AUTO switch is ON
When SOFT switch is ON
When HIGH swrtch is ON
Yes
No
Yes
TSB
Revision
Standard value
OV
The ACTIVE-ECS power relay doesn't function
l
Disconnected or damaged wiring of the fusible link, the
l
fuse and/or the harness between the battery and the AC-
Disconnected or damaged wiring of the ground line 15 of
l
the ACTIVE-ECS indicator.
Disconnected or damaged wiring between the AC-
l
TIVE-ECS power relay and ECS Indicator terminal 20.
Indication example
17: MANUAL CNG. SW