Mitsubishi Galant (2004+). Manual — part 1226
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-597
STEP 12. Check harness connector B-17X at MFI relay for
damage.
Q: Is the harness connector in good condition?
YES : Repair harness wire between MFI relay connector
B-17X (terminal No. 4) and crankshaft position sensor
connector B-119 (terminal No. 3) because of open
circuit or short circuit to ground. Then go to Step 20.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. 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
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-598
STEP 13. Check for continuity at crankshaft position
sensor harness side connector B-119.
(1) Disconnect the connector B-119 and measure at the
harness side.
(2) Check for the continuity between terminal No. 1 and
ground.
• Should be less than 2 ohms.
Q: Does continuity exist?
YES : Go to Step 16.
NO : Go to Step 14.
AK303123
1
2
3
CRANKSHAFT
POSITION
SENSOR
AB
CRANKSHAFT
SPROCKET
CONNECTOR: B-119
B-119 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK303128 AB
2 1
3
B-119 HARNESS
CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-599
STEP 14. Check harness connector B-22 at PCM for
damage.
Q: Is the harness connector in good condition?
YES : Go to Step 15.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 20.
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-600
STEP 15. Check for open circuit and harness damage
between crankshaft position sensor connector B-119
(terminal No. 1) and PCM connector B-22 (terminal No.
113).
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then 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
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