Mitsubishi Evolution X. Manual — part 366
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
MANUAL TRANSAXLE
22A-113
SPECIAL FUNCTION REFERENCE TABLE
M1221011300062
ACTUATOR TEST TABLE
97
Yaw rate sensor
(adjusted value)
Yaw rate sensor
(Correction amount)
Ignition switch: ON
−6 − 6 deg/s
98
SAS (adjusted value) Steering sensor
(Correction amount)
Ignition switch: ON
−15 − 15 deg
99
Lateral G
sensor(adjusted
value)
Lateral G sensor
(Correction amount)
Ignition switch: ON
−1.7 − 1.7 m/s
2
100
Longitudinal G
(adjusted value)
Longitudinal G sensor
(Correction amount)
Ignition switch: ON
−3 − 3 m/s
2
101
Chassis Number
writing counter
Chassis number writing
count
Ignition switch: ON
Writing count
102
Chassis Number
(original) lock
Chassis number
(original) lock
Ignition
switch: ON
Locked
Lock
Unlocked
Unlock
103
Mileage counter
Mileage counter
Ignition switch: ON
Counter value
104
Coding counter
Coding count
Ignition switch: ON
Coding count
Item
No.
Display on scan tool Item name
Check conditions
Normal
conditions
Item
No.
Display on
scan tool
Check items Test content
Normal conditions
1
ACD air
bleeding
Air bleeding
<ACD>
According to the steering angle of
steering wheel, energize the
proportioning valve, and operate
the proportioning valve for 5
minutes.
No air comes out from the
bleeder screw established to the
transfer.
2
AYC air
bleeding
Air bleeding
<AYC>
According to the steering angle of
steering wheel, energize the
proportioning valve, and operate
the direction valve for 5 minutes.
No air comes out from the
bleeder screw established to the
torque transfer differential.
3
Oil level
check
Oil level
check
Operate the direction valve to left
and right for 20 seconds.
Oil level of reservoir tank is
adequate.
4
Motor drive
Electric pump
operation
Operate the electric pump for 3
seconds.
Operating sound of the electric
pump can be heard.
5
ACD
operation
check
ACD
operation
check
Operate the proportioning valve
<ACD>, and supply the maximum
hydraulic pressure to the
multiplate clutch.
The tight corner braking
phenomenon occurs.
6
AYC
operation
check (left)
Clutch
operation
check <left
side>
Operate the direction valve, and
supply the maximum hydraulic
pressure to the left clutch.
With the wheels lifted, a speed
difference is generated between
left and right rear wheels.
7
AYC
operation
check (right)
Clutch
operation
check <right
side>
Operate the direction valve, and
supply the maximum hydraulic
pressure to the right clutch.
With the wheels lifted, a speed
difference is generated between
left and right rear wheels.
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
MANUAL TRANSAXLE
22A-114
1. The actuator test can be performed only when all
the following conditions are satisfied.
• Every wheel speed sensor input is 20 km/h or
less.
• No system malfunction is detected.
• The steering angle of steering wheel is within
±30° from the neutral position.
2. With the actuator test, when any of the conditions
below is met, the forced activation will be
canceled.
• Any of the wheel speed sensors detects an input
of 20 km/h or more (excluding item No. 08 "Con-
trol OFF").
• A system malfunction is detected.
• The forced activation time has elapsed.
• Scan tool is removed.
• Scan tool clear key is operated.
SENSOR NEUTRAL POSITION LEARNED INI-
TIALIZATION LIST
Item No. Display on scan
tool
Item
Initialization contents
1
SAS calibration
Steering angle correction
amount initialization
Reset the steering angle sensor neutral position
learned value.
2
Lateral G sensor
calibration
Lateral acceleration
correction amount
initialization
Reset the lateral acceleration sensor neutral
position learned value.
3
Longitudinal G
SNS.calibration
Longitudinal acceleration
correction amount
initialization
Reset the longitudinal acceleration sensor neutral
position learned value.
The sensor neutral position learned value initializa-
tion can be performed only when the vehicle is
stopped.
AWD-ECU TERMINAL VOLTAGE REFERENCE CHART FOR ACD
M1221011400058
AC506684
22
9
16
15
2
14
1
3
19
6
18
17
4 5
20
7
21
8
25
12
23
10
24
11
26
13
JAE-E
39
50
44
4243
32
31
33
JAE-E
47
36
45 46
34 35
49
48
3738
52
51
40 41
C-46
AJ
8
Control OFF Control OFF
Turn OFF the electric pump relay,
and turn OFF the ACD and AYC
control.
With the actual driving of vehicle,
there is a difference between
when the control is ON and OFF.
Item
No.
Display on
scan tool
Check items Test content
Normal conditions
Ter
mina
l No.
Inspection Items
Inspection requirement
Normal Condition
1
Proportioning valve (for
ACD)
With the actuator test
(item No. 01), operate
the proportioning valve
<ACD>.
While executing the
actuator test
0
−4 V
After completing the
actuator test
1 V or less
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
MANUAL TRANSAXLE
22A-115
2
Proportioning valve (for
AYC)
With the actuator test
(item No. 02), operate
the proportioning valve
<AYC>.
While executing the
actuator test
0
−4 V
After completing the
actuator test
1 V or less
3
Direction valve (right)
With the actuator test
(item No. 07), operate
the direction valve
<right>.
While executing the
actuator test
Battery voltage
After completing the
actuator test
1 V or less
4
CAN-H
−
−
5
CAN-L
−
−
6
Pressure sensor power
supply
Ignition switch: ON
Approx.5 V
7
Pressure sensor output
voltage
Ignition switch: ON
0.5
−1.5 V
8
Pressure sensor
ground
Any time
1 V or less
9
Local CAN (ASC-ECU) −
−
10
Local CAN (ASC-ECU) −
−
11
AWC switch power
supply <Vehicles
without steering wheel
audio remote control
switch>
Ignition switch: ON
Switch is operated to
upper side (+) and held.
Approx. 1.6 V
Switch is operated to
down side (
−) and held.
Approx. 0.3 V
Release the switch.
Approx. 4.7 V
12
Power supply
Any time
Battery voltage
13
Ground
Any time
1 V or less
14
Direction valve (left)
With the actuator test
(item No. 06), operate
the direction valve <left>.
While executing the
actuator test
Battery voltage
After completing the
actuator test
1 V or less
16
Ignition switch
Ignition switch: ON
Battery voltage
Ignition switch: OFF
1 V or less
17
Back up power supply
Any time
Battery voltage
19
AWC switch ground
<Vehicles without
steering wheel audio
remote control switch>
Any time
1 V or less
20
Electric pump relay
When the electric pump motor is not operating
0 V
While the electric pump motor is operating
System voltage
21
AWC switch <Vehicles
with steering wheel
audio remote control
switch>
Ignition switch: ON
Press and hold the
switch.
Battery voltage
Release the switch.
1 V or less
Ter
mina
l No.
Inspection Items
Inspection requirement
Normal Condition
ON-VEHICLE SERVICE
TSB Revision
MANUAL TRANSAXLE
22A-116
ON-VEHICLE SERVICE
TRANSMISSION OIL LEVEL CHECK
M1221000900770
1. Remove the engine room under cover front B assembly.
(Refer to GROUP 51, Under cover
AC707416AC
Center member
Centermember
Oil filler plug
Oil drain plug
2. Remove the oil filler plug and gasket.
AC700330AE
Gasket
Transmission oil
Filler plug hole
Oil filler plug
3. Check that the oil level is just below the lower edge of the oil
filler plug hole.
4. Check that the oil is not excessively foul and has moderate
viscosity.
5. Install the oil filler plug and new gasket, then tighten them to
the specified torque.
Tightening torque: 32
± 2 N⋅ m (24 ± 1 ft-lb)
6. Install the engine room under cover front B assembly. (Refer
to GROUP 51, Under cover
TRANSMISSION OIL CHANGE
M1221001000800
1. Remove the engine room under cover front B assembly.
(Refer to GROUP 51, Under cover
AC707416AC
Center member
Centermember
Oil filler plug
Oil drain plug
2. Remove the oil drain plug and gasket to drain the oil.
3. Install the oil drain plug and new gasket, then tighten them
to the specified torque.
Tightening torque: 32
± 2 N⋅ m (24 ± 2 ft-lb)
AC700330AE
Gasket
Transmission oil
Filler plug hole
Oil filler plug
4. Remove the oil filler plug and gasket, then fill the oil up to
the lower edge of the oil filler plug.
Brand name: Mitsubishi genuine Dia-Queen New Multi
Gear Oil SAE 75W-80 API GL-3
Quantity: 2.5 dm
3
(2.6 quarts)
5. Install the oil filler plug and new gasket, then tighten them to
the specified torque.
Tightening torque: 32
± 2 N⋅ m (24 ± 1 ft-lb)
6. Install the engine room under cover front B assembly. (Refer
to GROUP 51, Under cover
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