Mitsubishi Outlander (2003+). Manual — part 86

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-207

STEP 18. Check harness between C-135 (terminal
No. 54) engine-ECU connector and B-30 (terminal
No. 4) alternator connector.

NOTE: Before checking harness, check intermediate
connector B-19, and repair if necessary.

œ

Check output line for open/short circuit and dam-
age.

Q: Is the check result normal?

YES :

Go to Step 19 .

NO :

Repair.

STEP 19. Check the trouble symptoms.

Q: Does trouble symptom persist?

YES :

Replace alternator.

NO :

Intermittent malfunction (Refer to GROUP
00

-

How to Use

Troubleshooting/Inspection Service Points

3

00

).

STEP 20. Measure voltage at C-134 engine-ECU
connector.

œ

Measure engine-ECU terminal voltage.

œ

Engine: Idling

œ

A/C switch: ON (A/C compressor ON)

œ

Voltage between terminal No. 24 and earth.

OK:

1 V or less (with outside air temperature sen-

sor ambient temperature at 18

•

C or higher

and A/C set for maximum air flow at mini-
mum temperature)

System voltage (with A/C set for minimum air

flow at room temperature)

Q: Is the check result normal?

YES :

Go to Step 21 .

NO :

Check A/C load signal system (Refer to
Inspection Procedure 28

3

13A

).

STEP 21. Connector check: B-110 and B-111
ignition coil connectors

Q: Is the check result normal?

YES :

Go to

Step 22 .

NO :

Repair.

AK300256

34 33 32

36 35

37

42

45

31

39

38

46

40

41

43

44

AB

CONNECTOR: C-135

C-135

Harness side connector

AK300296

2

1

3

4

AB

Harness side
connector

CONNECTOR: B-30

B-30 (GR)

AK300257

1

14

4

19

5

22

6

17

8

15

9

18

7

20

16

2

13 12

23

24

25

26

21

3

10

11

AB

CONNECTOR: C-134

C-134

Harness side connector

AK300308

1

2

3

AB

Harness side
connector

B-111 (GR)

B-110 (GR)

Connector: B-110, B-111

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-208

STEP 22. Check ignition coil spark.

Q: Is the check result normal?

YES :

Go to Step 27 .

NO :

Go to Step 23 .

STEP 23. Check spark plug.

Q: Is the check result normal?

YES :

Go to Step 24 .

NO :

Replace spark plug.

STEP 24. Check individual spark plug cable

œ

Check spark plug cable itself (Refer to GROUP
16

-

Ignition System

-

On-vehicle Service

3

16

).

Q: Q: Is the check result normal?

YES :

Go to Step 25 .

NO :

Replace spark plug cable.

STEP 25. Check ignition coil itself.

œ

Check ignition coil itself (Refer to GROUP 16

-

Ignition System

-

On-vehicle Service

3

16

).

Q: Is the check result normal?

YES :

Go to Step 26 .

NO :

Replace ignition coil.

STEP 26. Check harness between terminal No. 2
of ignition coil connector of each cylinder and
body earth.

œ

Check earthing line for open/short circuit and
damage.

Q: Is the check result normal?

YES :

Check and repair harness between terminal

No. 3 of ignition coil connector of each
cylinder and C-134 engine-ECU

œ

Check signal line for open/short and
damage.

NO :

Repair.

STEP 27. Check injector for spray condition.

œ

Check each injector for spray condition (Refer to

3

13A

).

Q: Is the check result normal?

YES :

Go to Step 28 .

NO :

Replace injector.

STEP 28. Check compression pressure.

œ

Check compression pressure (Refer to GROUP
11A

-

On-vehicle Service

3

11A

).

Q: Is the check result normal?

YES :

Go to Step 29 .

NO :

Repair.

AK300308

1

2

3

AB

Harness side
connector

B-111 (GR)

B-110 (GR)

Connector: B-110, B-111

AK300257

1

14

4

19

5

22

6

17

8

15

9

18

7

20

16

2

13 12

23

24

25

26

21

3

10

11

AB

CONNECTOR: C-134

C-134

Harness side connector

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-209

STEP 29. Check purge control solenoid valve
itself.

œ

Check purge control solenoid valve itself (Refer to
GROUP 17

-

Emission Control System

-

Evapo-

rative Emission Control System

3

17

)

Q: Is the check result normal?

YES :

Go to Step 30 .

NO :

Replace purge control solenoid valve.

STEP 30. Check EGR control solenoid valve
itself.

œ

Check EGR control solenoid valve itself [Refer to
GROUP 17

-

Emission Control System

-

Exhaust Gas Recirculation (EGR) System

3

17

].

Q: Is the check result normal?

YES :

Go to Step 31 .

NO :

Replace EGR control solenoid valve.

STEP 31. Check EGR control solenoid valve
itself.

œ

Check EGR control solenoid valve itself [Refer to
GROUP 17

-

Emission Control System

-

Exhaust Gas Recirculation (EGR) System

3

17

].

Q: Is the check result normal?

YES :

Go to Step 32 .

NO :

Replace EGR valve.

STEP 32. MUT-II actuator test

œ

Item 07: Fuel pump

OK: Operating sounds of fuel pump can be
heard.

Q: Is the check result normal?

YES :

Go to Step 33 .

NO :

Check fuel pump system (Refer to
inspection Procedure 24

3

13A

).

STEP 33. Replace engine-ECU.

œ

After engine-ECU is replaced, re-check for trou-
ble symptom.

Q: Does trouble system persist?

YES :

Check for foreign matters (water, kerosene,

etc.) in fuel and replace if necessary.

NO :

Check end.

Inspection Procedure 9: The Engine Stalls when Starting the Car (Pass Out)

COMMENT ON TROUBLE SYMPTOM

œ

Engine stall on starting is possibly caused by mis-
fire due to failed spark plug, improper air-fuel
ratio at accelerator pedal depression or other
faults.

PROBABLE CAUSE

œ

Failed ignition system

œ

Failed intake system

œ

Failed emission gas cleaning system

œ

Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. MUT-II self-diag code

Q: Diagnosis code set?

YES :

Inspection chart for diagnosis code (Refer

to

3

13A

).

NO :

Go to Step 2 .

STEP 2. Check EGR control solenoid valve itself.

œ

Check EGR control solenoid valve itself [Refer to
GROUP 17

-

Emission Control System

-

Exhaust Gas Recirculation (EGR) System

3

17

].

Q: Is the check result normal?

YES :

Go to Step 3 .

NO :

Replace EGR control solenoid valve.

STEP 3. Check EGR valve itself.

œ

Check EGR valve itself [Refer to GROUP 17

-

Emission Control System

-

Exhaust Gas Recir-

culation (EGR) System

3

17

].

Q: Is the check result normal?

YES :

Go to Step 4 .

NO :

Replace EGR valve.

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-210

STEP 4. Check air intake from intake hose and
inlet manifold.

Q: Is the check result normal?

YES :

Go to Step 5 .

NO :

Repair.

STEP 5. Connector check: B-110 and B-111
ignition connectors.

Q: Is the check result normal?

YES :

Go to Step 6 .

NO :

Repair.

STEP 6. Check ignition coil spark.

Q: Is the check result normal?

YES :

Replace engine-ECU.

NO :

Go to Step 7 .

STEP 7. Check spark plug.

Q: Is the check result normal?

YES :

Go to Step 8 .

NO :

Replace spark plug.

STEP 8.Check spark plug cable itself.

œ

Check spark plug cable itself (Refer to GROUP
16

-

Ignition System

-

On-vehicle Service

3

16

).

Q: Is the check result normal?

YES :

Go to Step 9 .

NO :

Replace spark plug cable.

STEP 9. Check ignition coil itself.

œ

Check ignition coil itself (Refer to GROUP 16

-

Ignition System

-

On-vehicle Service

3

16

).

Q: Is the check result normal?

YES :

Go to Step 10 .

NO :

Replace ignition coil.

STEP 10. Check harness between terminal No. 2
of ignition coil connector of each cylinder and
body earth.

œ

Check earthing line for open circuit and damage.

Q: Is the check result normal?

YES :

Check and repair harness between terminal

No. 3 of ignition coil connector of each
cylinder and C-134 engine-ECU.

œ

Check signal line for open/short
circuit and damage.

NO :

Repair.

AK300308

1

2

3

AB

Harness side
connector

B-111 (GR)

B-110 (GR)

Connector: B-110, B-111

AK300308

1

2

3

AB

Harness side
connector

B-111 (GR)

B-110 (GR)

Connector: B-110, B-111

AK300257

1

14

4

19

5

22

6

17

8

15

9

18

7

20

16

2

13 12

23

24

25

26

21

3

10

11

AB

CONNECTOR: C-134

C-134

Harness side connector