Mitsubishi Galant (2004+). Manual — part 815
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-77
STEP 7. Check harness connector B-02 at the manifold
absolute pressure sensor and harness connector B-21 at
PCM for damage.
Q: Is the harness connector in good condition?
YES : Go to Step 8.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 13.
AK303809
1
2
3
AB
CONNECTOR: B-02
B-02 (B)
HARNESS CONNECTOR:
COMPONENT SIDE
AK303018
55
56
54 53 52 51
57
62 61 60 59 58
63
69 68 67 66 65 64
70
75 74 73 72 71
76
82 81 80 79 78 77
83
CONNECTOR: B-21
PCM
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AIR CLEANER
B-21 (B)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-78
STEP 8. Check for harness damage between manifold
absolute pressure sensor connector B-02 (terminal No. 2)
and PCM connector B-21 (terminal No. 69).
Q: Is the harness wire in good condition?
YES : Go to Step 12.
NO : Repair it. Then go to Step 13.
STEP 9. Check harness connector B-02 at manifold
absolute pressure sensor for damage.
Q: Is the harness connector in good condition?
YES : Replace the manifold absolute pressure sensor. Then
go to Step 13.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 13.
AK303809
1
2
3
AB
CONNECTOR: B-02
B-02 (B)
HARNESS CONNECTOR:
COMPONENT SIDE
AK303018
55
56
54 53 52 51
57
62 61 60 59 58
63
69 68 67 66 65 64
70
75 74 73 72 71
76
82 81 80 79 78 77
83
CONNECTOR: B-21
PCM
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AIR CLEANER
B-21 (B)
AK303809
1
2
3
AB
CONNECTOR: B-02
B-02 (B)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-79
STEP 10. Check harness connector B-02 at the manifold
absolute pressure sensor and harness connector B-22 at
PCM for damage.
Q: Is the harness connector in good condition?
YES : Go to Step 11.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 13.
AK303809
1
2
3
AB
CONNECTOR: B-02
B-02 (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) <2.4L ENGINE>
13A-80
STEP 11. Measure the sensor output voltage at PCM
connector B-22 by using power plant ECU check harness
special tool MB991923.
(1) Disconnect the all PCM connectors and connect power
plant ECU check harness special tool MB991923 between
the separated connectors.
(2) Turn the ignition switch to the "ON" position.
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
AK202956
104
96
94
95
93 92 91
99 98 97
103 102 101 100
108 107 106 105
113 112 111 110 109
AB
POWER PLANT ECU
CHECK HARNESS CONNECTOR
MB991923
PCM
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