Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 430
GENERAL DESCRIPTION
TSB Revision
AUTOMATIC TRANSAXLE
23A-11
SYSTEM CONSTRUCTION DIAGRAM
Powertrain control module (PCM)
Ignition switch
Input shaft speed sensor
Output shaft speed sensor
Crankshaft position sensor
Throttle position sensor
A/T fruid temperature sensor
Park/Neutral position switch
Vehicle speed sensor
Dual pressure switch
Stoplight switch
Cruise cntrol unit (OD OFF Signal)
Select switch
<Vehicles with sport mode>
Shift switch (up, sown)
<Vehicles with sport mode>
Scan tool (MUT-II)
Serial communication
A/T control relay
Torque converter clutch solenoid valve
Low-reverse solenoid valve
Second solenoid valve
Underdrive solenoid valve
Overdrive solenoid valve
Fail-safe operation
("N" range light flashing)
<Vehicles with sport mode>
Diagnosis trouble code output
("N" range light flashing)
<Vehicles with sport mode>
SENSE
DECIDE
ACT
AC001936 AB
GENERAL DESCRIPTION
TSB Revision
AUTOMATIC TRANSAXLE
23A-12
SHIFT PATTERN CONTROL
<2.4L ENGINE> UPSHIFT PATTERN
<2.4L ENGINE> DOWNSHIFT PATTERN
AC001949AC
100
50
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
1
2
2
3
3
4
THROTTLE
OPENING (%)
2
→
3
MOVEMENT
RANGE
3
→
4
MOVEMENT
RANGE
0 (0)
50 (31)
100 (62)
150 (93)
200 (124)
OUTPUT SHAFT SPEED (r/min)
VEHICLE SPEED [km/h (mph)]
THICK LINE: STANDARD SHIFT PATTERN
AC001950
100
50
0
0(0)
1,000
2,000
3,000
4,000
5,000
6,000
7,000
50 (31)
100 (62)
150 (93)
200 (124)
1
2
2
3
3
4
1
2 (L OR
SPORT MODE)
2
3 (2,L OR
SPORT MODE)
3
4 (3,2,L OR
SPORT
MODE)
THROTTLE
OPENING (%)
OUTPUT SHAFT SPEED (r/min)
VEHICLE SPEED [km/h (mph)]
AD
GENERAL DESCRIPTION
TSB Revision
AUTOMATIC TRANSAXLE
23A-13
<3.0L ENGINE> UPSHIFT PATTERN
<3.0L ENGINE> DOWNSHIFT PATTERN
AC001951
100
50
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
0 (0)
50 (31)
100 (62)
150 (93)
200 (124)
THROTTLE
OPENING (%)
OUTPUT SHAFT SPEED (r/min)
VEHICLE SPEED [km/h (mph)]
1
2
2
3
3
4
2
→
3
MOVEMENT
RANGE
3
→
4
MOVEMENT
RANGE
THICK LINE: STANDARD SHIFT PATTERN
AB
AC001952
100
50
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
0 (0)
50 (31)
100 (62)
150 (93)
200 (124)
1
2
2
3
3
4
1
2 (L OR
SPORT MODE)
2
3 (2,L OR
SPORT MODE)
3
4
THROTTLE
OPENING (%)
OUTPUT SHAFT SPEED (r/min)
VEHICLE SPEED [km/h (mph)]
AB
(3,2,L OR
SPORT MODE)
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-14
AU TO M ATIC TR A N SA XLE DIAG NO SIS
DIAGNOSTIC TROUBLESHOOTING FLOW
M1231013500030
INTRODUCTION TO A/T DIAGNOSIS
M1231012300055
The mounting could be incorrect, the A/T fluid may
be low, or a component of the transaxle may be
faulty in the following conditions: noise or vibration is
generated, A/T fluid leaks, the vehicle does not move
forward or backward.
The following items are suspected as causes for the
INVECS-II troubles: malfunctions of the PCM, the
sensors, the switches, the harness or connectors.
A/T DIAGNOSTIC TROUBLESHOOTING STRATEGY
M1231007600083
Use these steps to plan your diagnostic strategy. If
you follow them carefully, you will be sure that you
have exhausted most of the possible ways to find an
A/T fault.
Gather information from customer.
Check the automatic transmission
fluid.
Verify complaint.
Replace or replenish the automatic
transmission fluid.
Communication with the scan tool
(MUT-II) not possible in Symptom
Chart.
Read the diagnostic trouble code.
Erase the diagnostic trouble code.
Check trouble symptom.
Performing the essential service.
Road test
Recheck diagnostic trouble codes
which were read before road test.
To DIAGNOSTIC TROUBLE CODE
CHART
To SYMPTOM CHART
Search for cause.
Repair
Confirmation test (road test)
INTERMITTENT MALFUNCTIONS
(Refer to GROUP 00, How to Use
Troubleshooting/Inspection
Service Points.)
Completed
NG
OK
Communication with the scan
tool (MUT-II) not possible
Diagnostic trouble code
displayed.
No diagnostic trouble code
displayed.
Abnormality exists (no diagnostic
trouble code)
Abnormality exists
(diagnostic trouble
code present)
No abnormality
No diagnostic trouble code
displayed.
Diagnostic trouble code
displayed.
Found
Not found
NG
OK
OK
NG
AC005120AB
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