Mitsubishi 3000GT Service Manual page 781

4. ACTUATOR CHECK
(1) Using the scan tool, force-drive the actuator and fix the damping force changeover.
(2) Check service data (Item No. 61 through 64) to verify that the actuator has been force-driven.
NOTE
All of the four actuators in the shock absorbers are simultaneously changed over by forced drive.
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The damping force changed over and fixed by forced drive is cleared by the following three
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conditions.
1. Ignition switch OFF
2. Vehicle speed 3 km/h (1.9 mph) or more
3. Scan tool disconnected
Actuator Check List
Item No. Check Point
01
Damping force SOFT
03
Damping force MEDIUM
04 Damping force HARD
ECS - Service Adjustment Procedures
Check Condition
Vehicle in stationary condition
5. CONTROL FUNCTION SIMULATION CHECK
Using the scan tool, 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 scan tool.
(5) Using the scan tool, check the indications of service data
items No. 61 through 64.
Scan tool indication: SOFT
(6) Turn the steering wheel clockwise or counterclockwise
from the straight ahead position.
(7) Using the scan tool, check that the indications of service
data items No. 61 through 64 change over.
Approx. 0.3 seconds for 90" rotation
Approx. 0.2 seconds for 90" rotation
(8) Check that the original damping force indication (SOFT)
is restored a second later.
(1) Select the Tour mode by the ECS switch.
(2) Enter a simulated vehicle speed of 100 km/h (62 mph)
from the scan tool.
(3) Using the scan tool, check the indications of service data
items No. 61 through 64.
Scan tool indication: SOFT
TSB Revision
Scan Tool Service Data Item
No. 61-64 Indicated
SOFT
HARD
Steering turning speed
Scan tool
indication
I
MEDIUM
HARD