Mitsubishi LANCER EVOLUTION-VII 2001, Technical Information Manual

Page: 71 / 171

POWER TRAIN - ACD and AYC
2-26
ACTUATOR TEST
Item No. Content Drive Specifications Driving
time
Check
01 Bleeding
<ACD>
Outputs current to the
proportional valve accord-
ing to the steering angle.
5 minutes Check that no air is discharged from the
bleeder screw installed on the ACD
transfer.
02 Bleeding
<AYC>
Outputs current to the
proportional valve accord-
ing to the steering angle to
operate the direction
valve.
5 minutes Check that no air is discharged from the
bleeder screw installed on the AYC torque
transfer differential.
03 Oil amount
check
Operates the directional
valve to the left and right.
20 sec-
onds
Check the oil amount of the reservoir tank.
04 Electric pump
drive
Operates the electric
pump for 5 seconds.
To end of
operations
Check the operating state from the
operation sound of the electric pump.
05 ACD clutch op-
eration check
Operates the proportional
valve <ACD> to supply
maximum oil pressure to
the multi plate clutch.
1 minute With the vehicle lifted up, check the
operating state according to the speed
difference between the front and rear
wheels.
06 AYC clutch op-
eration check
<Left side>
Operates the directional
valve, and supplies maxi-
mum oil pressure to the
left side clutch.
1 minute With the vehicle lifted up, check the
operating state according to the speed
difference between the front and rear
wheels.
07 AYC clutch op-
eration check
<Right side>
Operates the directional
valve, and supplies maxi-
mum oil pressure to the
right side clutch.
1 minute With the vehicle lifted up, check the
operating state from the speed difference
between the left and right rear wheels.
08 Control OFF Turns OFF the electric
pump relay, and ACD
control and AYC control.
- Check the difference between control ON
and OFF in actual driving.