Mitsubishi Montero Sport (2004+). Manual — part 253
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-425
STEP 7. Check connector C-90 at PCM for damage.
Q: Is the connector in good condition?
YES : Replace the PCM. Then go to Step 11.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 11.
STEP 8. Check for continuity at fuel tank temperature
sensor harness side connector E-30.
(1) Disconnect the connector E-30 and measure at the harness
side.
(2) Check for the continuity between terminal No. 3 and
ground.
• Should be less than 2 ohms.
Q: Does continuity exist?
YES : Go to Step 9.
NO : Check connector E-44 at intermediate connector for
damage, and repair or replace as required. Refer to
GROUP 00E, Harness Connector Inspection
. If intermediate connector is in good
condition, repair harness wire between fuel tank
temperature sensor connector E-30 (terminal No. 3)
and ground because of open circuit or harness
damage. Then go to Step 11.
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
AK200019
3 2 1
CONNECTOR: E-30
AB
HARNESS
CONNECTOR:
COMPONENT
SIDE
E-30
AK000575
3 2 1
E-30 HARNESS
CONNECTOR:
COMPONENT SIDE
AD
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-426
STEP 9. Check connector C-90 at PCM for damage.
Q: Is the connector in good condition?
YES : Go to Step 10.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 11.
STEP 10. Check for open circuit and harness damage
between fuel tank temperature sensor connector E-30
(terminal No.1) and PCM connector C-90 (terminal No.51).
NOTE: Check harness after checking intermediate connector
C-85 and E-44. If intermediate connectors are damaged, repair
or replace them. Refer to GROUP 00E, Harness Connector
Inspection
. Then go to Step 11.
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then go to Step 11.
NO : Repair it. Then go to Step 11.
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
AK200019
3 2 1
CONNECTOR: E-30
AB
HARNESS
CONNECTOR:
COMPONENT
SIDE
E-30
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-427
STEP 11. 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
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0183 set?
YES : Repeat the troubleshooting.
NO : The procedure is complete.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-428
DTC P0201: Injector Circuit Malfunction
− Cylinder 1, DTC P0202: Injector Circuit Malfunction −
Cylinder 2, DTC P0203: Injector Circuit Malfunction
− Cylinder 3, DTC P0204: Injector Circuit
Malfunction
− Cylinder 4, DTC P0205: Injector Circuit Malfunction − Cylinder 5, DTC P0206: Injector
Circuit Malfunction
− Cylinder 6
WHITE-
BL
ACK
YELL
OW
-
RED
YELL
OW
-
BL
UE
YELL
OW
-
BL
ACK
YELL
OW
-
GREEN
YELL
OW
BL
UE
YELL
OW
-
BL
UE
YELL
OW
-
RED
YELL
OW
-
WHITE
YELL
OW
-
BL
ACK
WHITE-
BL
ACK
WHITE-
BL
ACK
RED
RED
RED
BL
ACK
-
RED
BL
ACK
-
RED
BL
ACK
-
RED
BL
ACK
-
RED
BL
ACK
-
RED
BL
ACK
-
RED
BL
ACK
-
RED
YELL
OW
-
GREEN
LIGHT GREEN-
WHITE
1 2
1 2
1 2
1 2
1 2
1 2
AK303394
Injector Circuit
FUSIBLE LINK(12)
MFI RELAY
4
3
12
25
8
1
1
1
1
1
1
25
10
2
24
9
1
2
1
22
33
2
2
2
2
2
2
5
6
7
1
2
3
A-70
(MU802047)
INJECTOR
NO.1
INJECTOR
NO.2
INJECTOR
NO.3
INJECTOR
NO.4
INJECTOR
NO.5
INJECTOR
NO.6
POWERTRAIN
CONTROL
MODULE (PCM)
8
7
6
5
1 2 3 4
A-04
MU802609
C-59
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-14
10
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
C-89
(MU803784)
A-73
(MU802047)
A-71
(MU802047)
A-74
(MU802047)
A-72
(MU802047)
A-75
(MU802047)
JOINT
CONNEC-
TOR (5)
1
2
3
4
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