Mitsubishi Montero (2004+). Manual — part 194
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-263
STEP 7. Check for open circuit or short circuit to ground
between right bank heated oxygen sensor (rear) connector
C-14 (terminal No. 3) and PCM connector D-132 (terminal
No. 24).
NOTE: Check harness after checking intermediate connector
E-114. If intermediate connector E-114 is damaged, repair or
replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion
. 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.
AK201276
1
2
3
4
CONNECTOR: C-14
C-14(GR)
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)
AK200938
2
3
4
5
6
7
8
9
1
10
14
15
16
17
18
19
20
21
22
23
24
25
26
27
11
12
13
AB
CONNECTOR: D-132
HARNESS CONNECTOR:
COMPONENT SIDE
PCM
D-132(GR)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-264
STEP 8. Check harness connector D-132 at PCM for
damage.
Q: Is the harness 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.
AK200938
2
3
4
5
6
7
8
9
1
10
14
15
16
17
18
19
20
21
22
23
24
25
26
27
11
12
13
AB
CONNECTOR: D-132
HARNESS CONNECTOR:
COMPONENT SIDE
PCM
D-132(GR)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-265
STEP 9. Check for harness damage between MFI relay
connector B-22X (terminal No. 1) and right bank heated
oxygen sensor (rear) connector C-14 (terminal No. 1).
NOTE: Check harness after checking intermediate connectors
E-114 and D-116. If intermediate connectors E-114 and D-116
are damaged, repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection
. Then go to Step 12.
Q: Is the harness wire in good condition?
YES : Go to Step 10.
NO : Repair it. Then go to Step 12.
AK200951
2 1
3
4
B-22X
AB
CONNECTOR: B-22X
HARNESS
CONNECTOR:
COMPONENT SIDE
AK201276
1
2
3
4
CONNECTOR: C-14
C-14(GR)
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-266
STEP 10. Check for harness damage between right bank
heated oxygen sensor (rear) connector C-14 (terminal No.
3) and PCM connector D-132 (terminal No. 24).
NOTE: Check harness after checking intermediate connector
E-114. If intermediate connector E-114 is damaged, repair or
replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion
. Then go to Step 12.
Q: Is the harness wire in good condition?
YES : Go to Step 11.
NO : Repair it. Then go to Step 12.
AK201276
1
2
3
4
CONNECTOR: C-14
C-14(GR)
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)
AK200938
2
3
4
5
6
7
8
9
1
10
14
15
16
17
18
19
20
21
22
23
24
25
26
27
11
12
13
AB
CONNECTOR: D-132
HARNESS CONNECTOR:
COMPONENT SIDE
PCM
D-132(GR)
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