Mitsubishi 3000GT 1991 Service Manual page 678

ELECTRONIC CONTROL SUSPENSION (ECS) -
TSB Revision
5. CONTROL FUNCTION SIMULATION CHECK
Using the MUT, check all control functions during operation
with the vehicle in stationary condition.
(1) Raise the front wheels on a jack and have them supported
by rigid racks.
(2) Place the steering wheel in straight ahead position.
(3) Select the Tour mode by the ECS switch.
(4) Enter a simulated vehicle speed of 100 km/h (62 mph) from
the MUT.
(5) Using the MUT, check the indications of service data items
No. 61 through 64.
MUT indication: SOFT
(6) Turn the steering wheel clockwise or counterclockwise
from the straight ahead position.
(7) Using the MUT, check that the indications of service data
items No. 61 through 64 change over.
Approx. 0.2 seconds for 90" rotation
(8) Check that the original damping force indication (SOFT) is
restored a second later.
5-2. Anti-Dive Control Function Check
(1) Select the Tour mode by the ECS switch.
(2) Enter a simulated vehicle speed of 100 km/h (62 mph) from
the MUT.
(3) Using the MUT, check the indications of service data items
No. 61 through 64.
MUT indication: SOFT
(4) Depress the brake pedal and simultaneously change the
entered simulated vehicle speed by the MUT. (Change the
speed in 0.4 seconds after depressing the brake pedal.)
(5) Using the MUT, check that the indications of service data
items No. 61 through 64 change over.
Changing entered simulated
vehicle speed
(6) Check that the original damping force indication (SOFT) is
restored a second later.
5-3. Anti-Squat Control Function Check
(1) Select the Tour mode by the ECS switch.
(2) Enter a simulated vehicle speed of 30 km/h (19 mph) from
the MUT.
(3) Using the MUT, check the indications of service data items
No. 61 through 64.
MUT indication: SOFT
MUT indication
HARD