Mitsubishi Montero Sport (2004+). Manual — part 319
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-689
STEP 4. Check for harness damage between barometric
pressure sensor connector A-01 (terminal No. 1) and PCM
connector C-90 (terminal No. 46).
Q: Is the harness wire in good condition?
YES : Go to Step 5.
NO : Repair it. Then go to Step 7.
AK103913
3
4
5
1
2
6
7
CONNECTOR: A-01
A-01(B)
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
AK103762
42
43
48
49
50
51
52
53
54
55
56
57
46 45 44
58
59
60
61
62
63
64
65
66
47
41
AB
CONNECTOR: C-90
C-90(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-690
STEP 5. Check for harness damage between barometric
pressure sensor connector A-01 (terminal No. 5) and PCM
connector C-90 (terminal No. 57).
NOTE: Check harness after checking intermediate connector
C-71. If intermediate connector is damaged, repair or replace it.
Refer to GROUP 00E, Harness Connector Inspection
Then go to Step 7.
Q: Is the harness wire in good condition?
YES : Go to Step 6.
NO : Repair it. Then go to Step 7.
AK103913
3
4
5
1
2
6
7
CONNECTOR: A-01
A-01(B)
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
AK103762
42
43
48
49
50
51
52
53
54
55
56
57
46 45 44
58
59
60
61
62
63
64
65
66
47
41
AB
CONNECTOR: C-90
C-90(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-691
STEP 6. Check for harness damage between barometric
pressure sensor connector A-01 (terminal No. 2) and PCM
connector C-90 (terminal No. 55).
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then go to Step 7.
NO : Repair it. Then go to Step 7.
STEP 7. Test the OBD-II drive cycle.
(1) Carry out a test drive with the test drive cycle pattern. Refer
to Diagnostic Function
− OBD-II Drive Cycle − Procedure 6
− Other Monitor
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P2227 set?
YES : Repeat the troubleshooting.
NO : The procedure is complete.
AK103913
3
4
5
1
2
6
7
CONNECTOR: A-01
A-01(B)
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
AK103762
42
43
48
49
50
51
52
53
54
55
56
57
46 45 44
58
59
60
61
62
63
64
65
66
47
41
AB
CONNECTOR: C-90
C-90(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-692
DTC P2228: Barometric Pressure Circuit Low Input
GREEN-
YELL
OW
AK302268
Barometric Pressure Sensor Circuit
PINK
BL
ACK
BL
ACK
5V
POWERTRAIN CONTROL MODULE (PCM)
46
1
55
57
15
2
5
12
BAROMETRIC PRESSURE SENSOR
(INCORPORATED IN VOLUME
AIRFLOW SENSOR)
1 2 3 4 5 6 7
A-01
1
10
2 3 4 5 6 7 8 9
11
12 13 14 15 16 17 18 19 20 21 22
23 24 25 26 27 28 29 30 31 32 33
C-71
JOINT
CONNEC-
TOR (4)
47
41
42 43
48 49 50 51 52 53 54 55 56 57
46
45
44
58
59
60 61 62 63
64 65 66
C-90
(MU803781)
AK103908
CONNECTOR: A-01
BAROMETRIC
PRESSURE
SENSOR
A-01(B)
AC
AK103912AB
CONNECTOR: C-71
C-71
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