Mitsubishi Galant (2004+). Manual - part 1227

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-601

STEP 16. Check harness connector B-17X at the MFI relay 
for damage.

Q: Is the harness connector in good condition?

YES : Go to Step 17.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 20.

STEP 17. Check harness connector B-22 at PCM for 
damage.

Q: Is the harness connector in good condition?

YES : Go to Step 18.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then go to Step 20.

1

2

3

4

AK303017

CONNECTOR: B-17X

FRONT OF VEHICLE

B-17X

AB

HARNESS
CONNECTOR:
COMPONENT SIDE

RELAY BOX

AK303016

104

96

94

95

93 92 91

99 98 97

103 102 101 100

108 107 106 105

113 112 111 110 109

CONNECTOR: B-22

B-22 (B)

PCM

AB

HARNESS CONNECTOR: 
COMPONENT SIDE

AIR CLEANER

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-602

STEP 18. Check for harness damage between MFI relay 
connector B-17X (terminal No. 4) and crankshaft position 
sensor connector B-119 (terminal No. 3).

Q: Is the harness wire in good condition?

YES : Go to Step 19.
NO :  Repair it. Then go to Step 20.

1

2

3

4

AK303017

CONNECTOR: B-17X

FRONT OF VEHICLE

B-17X

AB

HARNESS
CONNECTOR:
COMPONENT SIDE

RELAY BOX

AK303123

1

2

3

CRANKSHAFT
POSITION
SENSOR

AB

CRANKSHAFT
SPROCKET

CONNECTOR: B-119

B-119 (B)

HARNESS
CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-603

STEP 19. Check for harness damage between crankshaft 
position sensor connector B-119 (terminal No. 2) and PCM 
connector B-22 (terminal No. 103).

Q: Is the harness wire in good condition?

YES : Go to Step 20.
NO :  Repair it. Then go to Step 20.

AK303123

1

2

3

CRANKSHAFT
POSITION
SENSOR

AB

CRANKSHAFT
SPROCKET

CONNECTOR: B-119

B-119 (B)

HARNESS
CONNECTOR:
COMPONENT SIDE

AK303016

104

96

94

95

93 92 91

99 98 97

103 102 101 100

108 107 106 105

113 112 111 110 109

CONNECTOR: B-22

B-22 (B)

PCM

AB

HARNESS CONNECTOR: 
COMPONENT SIDE

AIR CLEANER

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-604

STEP 20. Test the OBD-II drive cycle.

(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Procedure 6 − 

Other Monitor 

P.13B-5

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0335 set?

YES : Repeat the troubleshooting.
NO :  The procedure is complete.