Mitsubishi Eclipse. Manual — part 848
ON-VEHICLE SERVICE
TSB Revision
AUTOMATIC TRANSAXLE
23A-401
ON-VEHICLE SERVICE
A/T CONTROL COMPONENT LAYOUT
M1231008600310
NAME
SYMBOL NAME
SYMBOL
A/T control relay
D
Shift switch assembly <Vehicles with
sport mode>
K
Crankshaft position sensor <2.4L Engine> E
Solenoid valves
G
Crankshaft position sensor <3.0L Engine> E
Stoplight switch
I
Data link connector
J
TP sensor <3.0L Engine>
B
Dual pressure switch
A
TP sensor <2.4L Engine>
B
Input shaft speed sensor
C
Transmission fluid temperature sensor G
Output shaft speed sensor
C
Transmission range switch
F
Power train control module (PCM)
H
AC004792
H
I
J
A
B
C
D
E
F
G
E
F
G
A
B
C
<2.4L ENGINE>
<3.0L ENGINE>
D
K
AB
ON-VEHICLE SERVICE
TSB Revision
AUTOMATIC TRANSAXLE
23A-402
AC001876
HEADLIGHT (RH)
DUAL
PRESSURE
SWITCH
AB
A
AC001880
<2.4L ENGINE>
AC
TP SENSOR
B
AC001877
<3.0L ENGINE>
AC
TP SENSOR
B
AC100203
C
AH
OUTPUT
SHAFT
SPEED
SENSOR
INPUT SHAFT
SPEED
SENSOR
AC102447AD
BATTERY
D
A/T CONTROL RELAY
AC001882AB
<2.4L ENGINE>
CRANKSHAFT
POSITION SENSOR
E
AC001878
<3.0L ENGINE>
CRANKSHAFT
POSITION
SENSOR
CRANKSHAFT
SPROCKET
AB
E
AC001844
F
AN
DIPSTICK
TRANSMISSION
RANGE SWITCH
ON-VEHICLE SERVICE
TSB Revision
AUTOMATIC TRANSAXLE
23A-403
ESSENTIAL SERVICE
TRANSMISSION FLUID CHECK
M1231021400038
1. Drive the vehicle until the transmission fluid temperature
rises to the normal temperature [70
− 80°C (158 − 176°F)].
NOTE: The transmission fluid temperature is measured with
scan tool MB991958 (MUT-III sub assembly).
NOTE: If it takes some amount of time until the transmission
fluid reaches its normal operating temperature [70
−
80
°
C
(158
−
176
°
F)], check the transmission fluid level by refer-
ring to the left diagram.
2. Park the vehicle on a level surface.
3. Move the selector lever through all positions to fill the torque
converter and the hydraulic circuits with fluid, and then move
the selector lever to the "N" position.
4. After wiping off any dirt around the dipstick, remove the
dipstick and check the condition of the transmission fluid.
AC001879
G
OVERDRIVE
SOLENOID VALVE
LOW-REVERSE
SOLENOID
VALVE
TRANSMISSION
FLUID
TEMPERATURE
SENSOR
VALVE BODY
ASSEMBLY
UNDERDRIVE
SOLENOID
SECOND
SOLENOID
VALVE
TORQUE
CONVERTER
SOLENOID
VALVE
AE
AC001883
POWER-
TRAIN
CONTROL
MODULE
(PCM)
AB
H
AC001884 AB
STOPLIGHT SWITCH
BRAKE PEDAL
I
AC001886AB
DATA LINK
CONNECTOR
ACCELERATOR
PEDAL
J
AC001885
K
SELECTOR
LEVER
SHIFT
SWITCH
ASSEMBLY
AB
AC002477
80
DIPSTICK
60
40
(176)
(140)
(104)
FLUID TEMPERATURE [˚C (˚F)]
– 30 (– 1.2)
– 20 (– 0.8)
– 10 (– 0.4)
0 (0)
10 (0.4)
FLUID LEVEL [mm (in)]
AB
ON-VEHICLE SERVICE
TSB Revision
AUTOMATIC TRANSAXLE
23A-404
NOTE: If the transmission fluid smells as if it is burnt, it
means that the transmission fluid has been contaminated by
fine particles from the bushings and friction materials. A
transaxle overhaul and cooler line flushing may be neces-
sary.
5. Check that the transmission fluid level is at the "HOT" mark
on the dipstick. If the transmission fluid level is less than
this, add DIAMOND ATF SP III or equivalent transmission
fluid until the level reaches the "HOT" mark.
NOTE: If the transmission fluid level is too low, the oil pump
will draw in air along with the transmission fluid, which will
cause bubbles to form. If the transmission fluid level is too
high, rotating components inside the transaxle will churn the
fluid and air into a foamy liquid. Both conditions (level too
low or too high) will cause the hydraulic pressure to drop,
which will result in late shifting and slipping of the clutches
and brakes.
NOTE: In either case, air bubbles can interfere with normal
valve, clutch, and brake operation. Also, foaming can cause
transmission fluid to escape from the transaxle vent where it
may be mistaken for a leak.
6. Securely insert the dipstick.
NOTE: The transmission fluid should always be replaced
under the following conditions:
.
•
When troubleshooting the transaxle.
•
When overhauling the transaxle.
•
When the transmission fluid is noticeably dirty or burnt
(driving under severe conditions).
TRANSMISSION FLUID CHANGE
M1231021500035
If you have an transmission fluid changer, use this changer to
replace the transmission fluid. If you do not have an transmis-
sion fluid changer, replace the transmission fluid by the follow-
ing procedure.
1. Disconnect the hose shown in the illustration which
connects the transaxle and the oil cooler (inside the
radiator). Place a container under the hose to collect the
discharge.
CAUTION
The engine should be stopped within one minute after it is
started. If all the transmission fluid has drained out before
then, the engine should be stopped at that point.
2. Start the engine and let the transmission fluid drain out.
(Running conditions: "N" range with engine idling)
Approximately 3.5 dm
3
(3.7 quarts) of transmission
fluid should be removed.
AC106828AB
AC001889 AB
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