Mitsubishi Colt Ralliart. Manual — part 178
TROUBLESHOOTING <CVT>
CVT
23A-55
STEP 7. Connector check: A-114
engine-CVT-ECU connector.
AC403088AG
A-114
Connector: A-114
6
4
2
5
3
1
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L
A-114 Harness side connector
Engine-CVT-ECU
Battery
(GR)
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the defective connector.
STEP 8. M.U.T.-III data list
Item 04: Secondary speed sensor (Refer to Data List
Table
Q: Is the check result normal?
YES :
Intermittent malfunction (Refer to GROUP
00
− How to Cope with Intermittent
).
NO :
Replace the engine-CVT-ECU.
STEP 9. Connector check: A-114
engine-CVT-ECU connector.
AC403088AG
A-114
Connector: A-114
6
4
2
5
3
1
9
7
8
10
11
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66
L
A-114 Harness side connector
Engine-CVT-ECU
Battery
(GR)
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 10.
NO :
Repair the defective connector.
Main
Index
Group
TOC
TROUBLESHOOTING <CVT>
CVT
23A-56
STEP 10. Check the harness between secondary
speed sensor connector A-112 terminal No.1 and
engine-CVT-ECU connector A-114 terminal No.60.
AC314193
Connector: A-112
AC
A-112 (B)
Transmission
control cable
Harness side
1
2
3
AC403088AG
A-114
Connector: A-114
6
4
2
5
3
1
9
7
8
10
11
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66
L
A-114 Harness side connector
Engine-CVT-ECU
Battery
(GR)
Check the earth line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the wiring harness.
STEP 11. Measure the voltage at secondary
speed sensor connector A-112.
AC314193
Connector: A-112
AC
A-112 (B)
Transmission
control cable
Harness side
1
2
3
(1) Disconnect the connector, and measure the
voltage between terminal 3 and earth at the
wiring harness side.
(2) Turn the ignition switch to the ON position.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 14.
NO :
Go to Step 12.
STEP 12. Connectors check: A-17 intermediate
connector, B-112 J/B connector.
AC313811 AG
Connector: A-17
A-17 (B)
AC313824 AO
Connector: B-112
Harness side
Junction block (Front view)
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 13.
NO :
Repair the defective connector.
Main
Index
Group
TOC
TROUBLESHOOTING <CVT>
CVT
23A-57
STEP 13. Check the harness between secondary
speed sensor connector A-112 terminal No.3 and
J/B connector B-112 terminal No.6.
AC314193
Connector: A-112
AC
A-112 (B)
Transmission
control cable
Harness side
1
2
3
AC313824 AO
Connector: B-112
Harness side
Junction block (Front view)
Check the power supply line for short-circuited or
open circuit.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the wiring harness.
STEP 14. Measure the voltage at secondary
speed sensor connector A-112.
AC314193
Connector: A-112
AC
A-112 (B)
Transmission
control cable
Harness side
1
2
3
(1) Disconnect the connector, and measure the
voltage between terminal 2 and earth at the
wiring harness side.
(2) Turn the ignition switch to the ON position.
OK: 4.9
− 5.1 V
Q: Is the check result normal?
YES : .
Go to Step 20.
NO :
Go to Step 15.
STEP 15. Measure the voltage at
engine-CVT-ECU connector A-114.
(1) Connect secondary speed sensor connector
A-112.
AC403088AF
A-114
Connector: A-114
6
4
2
5
3
1
9
7
8
10
11
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L
A-114 Check connector (special tool)
Engine-CVT-ECU
Battery
(GR)
(2) Disconnect the engine-CVT-ECU connector, and
connect the special tool Power plant ECU check
harness (MB991987).
(3) Turn the ignition switch to the ON position.
(4) Use the special tool Check connector to measure
the voltage between engine-CVT-ECU connector
A-114 terminal No.45 and earth.
OK: 4.9
− 5.1 V
Q: Is the check result normal?
YES :
Go to Step 18.
NO :
Go to Step 16.
Main
Index
Group
TOC
TROUBLESHOOTING <CVT>
CVT
23A-58
STEP 16. Connector check: A-114
engine-CVT-ECU connector.
AC403088AG
A-114
Connector: A-114
6
4
2
5
3
1
9
7
8
10
11
12
13
14
15
16
17
18
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47
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50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
L
A-114 Harness side connector
Engine-CVT-ECU
Battery
(GR)
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 17.
NO :
Repair the defective connector.
STEP 17. Check the harness between secondary
speed sensor connector A-112 terminal No.2 and
engine-CVT-ECU connector A-114 terminal No.45.
AC314193
Connector: A-112
AC
A-112 (B)
Transmission
control cable
Harness side
1
2
3
AC403088AG
A-114
Connector: A-114
6
4
2
5
3
1
9
7
8
10
11
12
13
14
15
16
17
18
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28
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32
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41
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50
51
52
53
54
55
56
57
58
59
60
61
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63
64
65
66
L
A-114 Harness side connector
Engine-CVT-ECU
Battery
(GR)
Check the output line for short-circuited.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the wiring harness.
Main
Index
Group
TOC
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