Mitsubishi Eclipse. Manual - part 527

 

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Mitsubishi Eclipse. Manual - part 527

 

 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-651

STEP 4. Check the power supply voltage at evaporative 
emission purge solenoid harness side connector B-33.
(1) Disconnect the connector B-33 and measure at the harness 

side.

(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal No.2 and ground.

• Voltage should be battery positive voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (approximately 12 volts) 

present?
YES : 
Go to Step 6.
NO :  Go to Step 5.

STEP 5. Check connector A-18X at MFI relay for damage.
Q: Is the connector in good condition?

YES : Repair harness wire between MFI relay connector 

A-18X (terminal No. 4) and evaporative emission 
purge solenoid connector B-33 (terminal No. 2) 
because of open circuit or short circuit to ground. 
Then go to Step 12.

NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 12.

AK300427

1

2

AB

CONNECTOR: B-33 <WITHOUT INTAKE 
MANIFOLD TUNING  SYSTEM>

B-33 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

AK300431

1

2

CONNECTOR: B-33 <WITH INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-33 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

AKX01502 AX

B-33 HARNESS 
CONNECTOR: 
COMPONENT SIDE

2

1

AK300454

2

1

3

4

CONNECTOR: A-18X

AB

A-18X

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-652

STEP 6. Check the power supply voltage at ECM connector 
C-51 <M/T> or PCM connector <A/T> C-52 by backprobing.
(1) Do not disconnect the connector C-51 <M/T> or C-52 

<A/T>.

(2) Turn the ignition switch to the "ON" position.

AK300443

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

19

20

30

21

22

23

24

25

26

27

28

29

31

32

33

34

35

1

10

CONNECTOR: C-51 <M/T>

C-51 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

AK300458

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

19

20

30

21

22

23

24

25

26

27

28

29

31

32

33

34

35

1

10

CONNECTOR: C-52 <A/T>

C-52 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-653

(3) Measure the voltage between terminal No. 16 <M/T> or  

No. 34 <A/T> and ground by backprobing.

• Voltage should be battery positive voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (appreximately 12 volts) 

present?
YES : 
Go to Step 9.
NO :  Go to Step 7.

AK000256

1

2

3 4

5 6

7 8

10 11 12 13 14 15 16 17 18 19 20 21 22 23

24 25

26 27 28 29

30 31 32 33

34 35

C-51 HARNESS 
CONNECTOR: 
HARNESS SIDE

AE

9

AK000256

<M/T>

AKX01547

1

2

3 4

5 6

7 8

10 11 12 13 14 15 16 17 18 19 20 21 22 23

24 25

26 27 28 29

30 31 32 33

34 35

C-52 HARNESS 
CONNECTOR: 
HARNESS SIDE

AH

9

<A/T>

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-654

STEP 7. Check connector C-51 at ECM <M/T> or connector 
C-52 at PCM <A/T> for damage.
Q: Is the connector in good condition?

YES : Go to Step 8.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 12.

AK300443

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

19

20

30

21

22

23

24

25

26

27

28

29

31

32

33

34

35

1

10

CONNECTOR: C-51 <M/T>

C-51 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

AK300458

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

19

20

30

21

22

23

24

25

26

27

28

29

31

32

33

34

35

1

10

CONNECTOR: C-52 <A/T>

C-52 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

 

 

 

 

 

 

 

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