Mitsubishi Lancer Evolution 7. Manual — part 254
MANUAL TRANSMISSION - Troubleshooting <ACD>
22A-39
Termi-
nal no.
Normal state
Check condition
Check item
24*
2
Longitudinal G sensor
earth, lateral G sensor
earth
Any time
1 V or less
26
ECU earth
Any time
1 V or less
31
ECU backup power
supply
Any time
System voltage
32
Pressure sensor
Ignition switch: ON
0.5 - 1.5 V
33
Steering wheel sensor
<ST-1>
Ignition switch: ON
Steering wheel: Turn slowly
1 - 2 V ↔ 2.5 -
4.5 V flushing
34
Steering wheel sensor
<ST-2>
Ignition switch: ON
Steering wheel: Turn slowly
1 - 2 V ↔ 2.5 -
4.5 V flushing
35
Diagnosis data input/
output
-
-
36
Idle switch
Ignition switch: ON
Accelerator pedal: Full closed
1 V or less
g
Accelerator pedal: Depress
4.5 - 5.0 V
37
Parking brake switch
Ignition switch: ON
Parking brake lever: Pull
1 V or less
g
g
Parking brake lever: Release
System voltage
38
Stop lamp switch
Ignition switch: ON
Brake pedal: Depress
System voltage
p
p
g
Brake pedal: Release
1 V or less
39
TPS
Ignition switch: ON
Accelerator pedal: Full closed
0.5 - 0.7 V
g
Accelerator pedal: Full throttle
4.5 - 5.5 V
40
ACD mode indicator
lamp <TARMAC>
Ignition switch: ON
ACD mode indicator lamp position:
TARMAC
0 V
p
ACD mode indicator lamp position:
Except for above
Approx. 10.5 V
42
ECU earth
Any time
1 V or less
43
Pressure sensor earth
Any time
1 V or less
44
Steering wheel sensor
ST N
Ignition switch: ON
Steering wheel: Neutral
1 - 2 V
g
<ST-N>
g
Steering wheel: Turn from the
neutral position
2.5 - 4.5 V
46
Diagnosis control
-
-
47
ACD mode switch
Ignition switch: ON
Switch: Press
System voltage
g
Switch: Release
0 V
49*
1
ABS monitor
With ABS not active
System voltage
With ABS active
1.5 V or less
50*
2
Earth
Any time
1 V or less
51
ACD mode indicator
lamp <SNOW>
Ignition switch: ON
ACD mode indicator lamp position:
SNOW
0 V
p
ACD mode indicator lamp position:
Except for above
Approx. 10.5 V
52
ACD mode indicator
lamp <GRAVEL>
Ignition switch: ON
ACD mode indicator lamp position:
GRAVEL
0 V
p
ACD mode indicator lamp position:
Except for above
Approx. 10.5 V
MANUAL TRANSMISSION - On-vehicle Service
MANUAL TRANSMISSION - On-vehicle Service
22A-40
ON-VEHICLE SERVICE
TRANSMISSION OIL CHECK
1. Remove the oil filler plug.
2. Oil level should be at the lower portion of the filler plug
hole.
3. Check that the transmission oil is not noticeably dirty,
and that it has a suitable viscosity.
4. Tighten the filler plug to the specified torque.
Tightening torque: 32 ± 2 N·m
TRANSMISSION OIL REPLACEMENT
1. Remove oil filler plug and oil drain plug.
2. Drain oil.
3. Tighten the oil drain plug to the specified torque.
Tightening torque: 32 ± 2 N·m
4. Fill with specified oil till the level comes to the lower portion
of oil filler plug hole.
Specified transmission oil:
Gear oil SAE 75W-90 or 75W-85W conforming to
API GL-4
Quantity: 2.8 L
5. Tighten the oil filler plug to the specified torque.
Tightening torque: 32 ± 2 N·m
TRANSFER OIL CHECK
1. Remove the oil filler plug.
2. Oil level should be at the lower portion of the filler plug
hole.
3. Check that the transfer oil is not noticeably dirty, and
that it has a suitable viscosity.
4. Tighten the filler plug to the specified torque.
Tightening torque: 32 ± 2 N·m
TRANSFER OIL REPLACEMENT
1. Remove oil filler plug and oil drain plug.
2. Drain oil.
3. Tighten the oil drain plug to the specified torque.
Tightening torque: 32 ± 2 N·m
Transmission oil
Filler plug hole
Filler plug
Drain plug
Transfer oil
Filler plug hole
Filler plug
Drain plug
Oil pan
MANUAL TRANSMISSION - On-vehicle Service
22A-41
4. Fill with specified oil till the level comes to the lower portion
of oil filler plug hole.
Specified transfer oil:
MITSUBISHI Genuine Gear Oil Part No.8149630
EX, CASTROL HYPOY LS (GL-5, SAE 90),
SHELL-LSD (GL-5, SAE 80W - 90) or equivalent
Quantity:
0.55 L <Vehicles without ACD or vehicles without
ACD and AYC>
0.6 L <Vehicles with ACD or vehicles with ACD
and AYC>
5. Tighten the oil filler plug to the specified torque.
Tightening torque: 32 ± 2 N·m
FLUID CHECK <VEHICLES WITH ACD OR
VEHICLES WITH ACD AND AYC>
1. Remove the maintenance lid located in the luggage
compartment.
2. <Not using MUT-II>
If the vehicle has been run, leave it for 90 min. or more
in an ordinary temperature (10_C – 30_C) to allow the
accumulator internal pressure to drop.
NOTE
If the ambient temperature is 10_C or less, allow more
time to leave the vehicle to stand idle.
<Using MUT-II>
Set the MUT-II to the 16-pin diagnosis connector. Turn ON
the ignition switch, perform MUT-II actuator test (Item
No.03), forcibly drive the hydraulic unit and remove the
pressure in the accumulator.
Caution
Turn the ignition switch to the “LOCK”(OFF) position
before connecting or disconnecting the MUT-II.
NOTE
(1) In the actuator test (Item No. 03: Oil Level Check
Mode), the directional valve of the hydraulic unit is
moved to the left and right for 20 times, and then
the differential is cleared automatically. Drive can also
be cleared forcibly using the Clear key of the MUT-II.
(2) If the function has been stopped by fail-safe, the
hydraulic unit cannot be cleared forcibly.
3. Check that the fluid level in the oil reservoir is in the
range between MAX and MIN.
4. If the fluid level is lower than MIN, add the specified
fluid.
Specified fluid: Dia Queen ATF SP III
5. Reinstall the maintenance lid.
MANUAL TRANSMISSION - On-vehicle Service
22A-42
BLEEDING <VEHICLES WITH ACD OR
VEHICLES WITH ACD AND AYC>
1. Lift up the vehicle.
2. Set the MUT-II to the 16-pin diagnosis connector.
Caution
Turn the ignition switch to the “LOCK”(OFF) position
before connecting or disconnecting the MUT-II.
3. Turn the ignition switch to the “ON” position.
4. Set the steering wheel in the straight-ahead position.
5. Perform the MUT-II actuator test (Item No.02), and forcibly
drive the hydraulic unit.
NOTE
(1) The actuator test (Item No.01: Bleeding Mode) will
be performed for 5 minutes, after which it will be
cleared automatically. Drive can also be cleared during
forced driving using the clear key of the MUT-II.
(2) If the hydraulic unit function has been stopped by
fail-safe, the hydraulic unit cannot be forcibly driven.
6. Remove the cap of the bleeder screw on the transfer,
and connect the vinyl hose.
7
.
Slowly turn the steering wheel to the left or right from
the neutral state. Loosen the bleeder screw, and check
that air is discharged together with the fluid.
8
.
After the air is discharged, tighten the bleeder screw,
and return the steering wheel to the neutral state.
Caution
During bleeding, replenish the fluid so that some
always remains in the oil reservoir.
9. Repeat steps 6 and 7 several 2 to 3 times, and after
checking that no more air mixes in, tighten the bleeder
screw at the specified torque.
Tightening torque: 5 ± 1 N·m
10. After bleeding, check the fluid level. (Refer to P. 22A-41.)
Caution
If bleeding is not performed completely, noise may
be produced from the hydraulic unit, or the durability
of the pump, etc. may drop.
11. On vehicles with AYC, perform bleeding when the
hydraulic unit is removed. (Refer to GROUP 27B -
On-vehicle Service.)
ACD OPERATION CHECK <VEHICLES WITH
ACD OR VEHICLES WITH ACD AND AYC>
1. Lift up the vehicle.
2
.
Set the MUT-II to the 16-pin diagnosis connector.
Caution
Turn the ignition switch to the “LOCK”(OFF) position
before connecting or disconnecting the MUT-II.
3. Start the engine.
Bleeder screw
Front exhaust pipe
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