Mitsubishi Montero (2004+). Manual — part 229
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-403
STEP 8. Check connector D-134 at PCM for damage.
Q: Is the connector in good condition?
YES : Go to Step 9.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 12.
STEP 9. Check for short circuit to ground between fuel
level sensor connector G-03 (terminal No. 3) and PCM
connector D-134 (terminal No. 81).
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then go to Step 12.
NO : Repair it. Then go to Step 12.
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CONNECTOR: D-134
AB
PCM
D-134(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
AK200959
1
2
3
AB
CONNECTOR: G-03
G-03(B)
HARNESS
CONNECTOR:
COMPONENT SIDE
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CONNECTOR: D-134
AB
PCM
D-134(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-404
STEP 10. Check connector D-134 at PCM for damage.
Q: Is the 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 12.
STEP 11. Check for harness damage between fuel tank
temperature sensor connector G-03 (terminal No. 3) and
PCM connector D-134 (terminal No. 81).
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CONNECTOR: D-134
AB
PCM
D-134(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
AK200959
1
2
3
AB
CONNECTOR: G-03
G-03(B)
HARNESS
CONNECTOR:
COMPONENT SIDE
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CONNECTOR: D-134
AB
PCM
D-134(GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-405
NOTE: Check harness after checking intermediate connector
D-111, E-113 and F-07. If the intermediate connectors are dam-
aged, repair or replace it. Refer to GROUP 00E, Harness Con-
nector Inspection
. Then go to Step 12.
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then go to Step 12.
NO : Repair it. Then go to Step 12.
STEP 12. 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 P0181 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-406
DTC P0182: Fuel Tank Temperature Sensor Circuit Low Input
POWERTRAIN CONTROL
MODULE (PCM)
Fuel Tank Temperature Sensor Circuit
2
16
3
2
7
1
BLA
C
K
BLA
C
K
LIGHT
GREEN-
RED
G-03
MU802337
1 2 3
AK201139
81
FUEL TANK TEMPERATURE SENSOR
(INTEGRATED IN FUEL LEVEL SENSOR)
4
17
1
12 13 14
18
30
41
34
3
16
10
6 7
19
31
42
20
32
43
21
33
25
24
26
36
35
37
29
28
15
27
38
8 9
39 40
11
2
22
5
23
D-111
8
7
6
5
1 2 3 4
F-07
MU802609
11
1
9 10
13
2
12
3 4
7
5
14
6
8
E-113
5 V
LIGHT
GREEN-
RED
LIGHT
GREEN-
RED
LIGHT GREEN-
RED
61
656667686970 717273
74757677787980 8182
8384
858687
8889
62
6364
D-134
(MU803804)
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