Mitsubishi Colt Ralliart. Manual - part 176

TROUBLESHOOTING <CVT>

CVT

23A-47

STEP 29. Connector check: A-114 
engine-CVT-ECU connector.

AC403088AG

A-114

Connector: A-114

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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 30.

NO : 

Repair the defective connector.

STEP 30. 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

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2

3

AC403088AG

A-114

Connector: A-114

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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 28.

NO : 

Repair the wiring harness.

Main

Index

Group

TOC

TROUBLESHOOTING <CVT>

CVT

23A-48

STEP 31. 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 34.

NO : 

Go to Step 32.

STEP 32. 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 33.

NO : 

Repair the defective connector.

STEP 33. 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 28.

NO : 

Repair the wiring harness.

STEP 34. 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 40.

NO : 

Go to Step 35.

Main

Index

Group

TOC

TROUBLESHOOTING <CVT>

CVT

23A-49

STEP 35. Measure the voltage at 
engine-CVT-ECU connector A-114.
(1) Connect secondary speed sensor connector 

A-112.

AC403088AF

A-114

Connector: A-114

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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 38.

NO : . 

Go to Step 36.

STEP 36. Connector check: A-114 
engine-CVT-ECU connector.

AC403088AG

A-114

Connector: A-114

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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 37.

NO : 

Repair the defective connector.

Main

Index

Group

TOC

TROUBLESHOOTING <CVT>

CVT

23A-50

STEP 37. 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

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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 28.

NO : 

Repair the wiring harness.

STEP 38. Connector check: A-114 
engine-CVT-ECU connector.

AC403088AG

A-114

Connector: A-114

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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 39.

NO : 

Repair the defective connector.

Main

Index

Group

TOC