Mitsubishi Eclipse. Manual — part 557
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-771
STEP 4. Check for open circuit or harness damage
between fuel level sensor connector D-17 (terminal No. 2)
and ECM connector C-62 (terminal No. 97) <M/T> or PCM
connector C-55 (terminal No. 60) <A/T>.
AK300446
1
2
3
4
5
D-17 (GR)
AB
CONNECTOR: D-17
HARNESS CONNECTOR:
COMPONENT SIDE
AK300462
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
CONNECTOR: C-55 <A/T>
C-55 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300445
80
87
81
94
85
82
84
93
86
98
99
74
92
73
83
88
91
95
97 96
100
89
78
71
90
76
77
75
72
79
CONNECTOR: C-62 <M/T>
C-62 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-772
NOTE: Check harness after checking intermediate connectors
C-90, and C-28. If intermediate connectors are damaged,
repair or replace them. Refer to GROUP 00E, Harness Con-
nector Inspection
. Then go to Step 6.
Q: Is the harness wire in good condition?
YES : Go to Step 5.
NO : Repair it. Then go to Step 6.
STEP 5. Check the trouble symptoms.
(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 P0461 set?
YES : Replace the ECM or PCM. Then go to Step 6.
NO : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use Troubleshooting/
Inspection Service Points
STEP 6. 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 P0461 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-773
DTC P0500: Vehicle Speed Sensor <M/T>
AK103094
3
1
2 3
3
2
4 5 6
1 2 3
4 5 6
1
WHITE-
BLUE
WHITE-
BLUE
WHITE-
BLUE
BLA
CK
BLA
CK
BLA
CK-
WHITE
BLA
CK-
WHITE
BLA
CK-
WHITE
BLA
CK-
WHITE
GREEN
1
2
5V
B-39
(MU802723)
VEHICLE SPEED
SENSOR
B-36
ENGINE CONTROL
MODULE (ECM)
R
IG2
ST
LOCK
ACC
IG1
C-111
MU801331
IGNITION
SWITCH
C-87
2
6
11
1
2
2
3
3
1
4
4
1
JOINT
CONNECTOR (2)
JUNCTION
BLOCK
80
16
15
18
17
14
20
22
21
9
7
1 2
5
19
3
33
32
30 31
29
28
25
24
23
27
26
6
11
13
4
10
8
12
C-78
7 8
5
3 4
35
34
10 11 12
2122 23 24
13 14 15
25 26 27
16
28
17
18 19 20
29
30 31
32 33
36 37
38
9
1 2
6
C-28
AUTO-CRUISE CONTROL SYSTEM
CENTRAL DOOR LOOKING SYSTEM
DOME LIGHT AND
LUGGAGE COMPARTMENT
LIGHT <ECLIPSE>
DOME LIGHT AND TRUNK
LIGHT <ECLIPSE SPYDER>
METER AND GAUGE
MULTI CENTER DISPLAY
80
87
81
94
85
82
84
93
86
98
99
74
92
73
83
88
91
95
97
96
100
89
78
71
90
76 77
75
72
79
C-62
(MU803783)
Vehicle Speed Sensor Circuit
1
6
4 5
11
10
12 13 14
8 9
7
2 3
C-112
MU801857
7.5A
23
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-774
.
CIRCUIT OPERATION
• A 5-volt voltage is applied to the vehicle speed
sensor output terminal (terminal No. 3) from the
ECM (terminal No. 80). The vehicle speed sensor
generates a pulse signal when the output termi-
nal is opened and grounded.
.
TECHNICAL DESCRIPTION
• The vehicle speed sensor converts the vehicle
speed into pulse signals and inputs them to the
ECM.
• The vehicle speed sensor outputs a pulse signal
while the vehicle is driven.
• The ECM checks whether the pulse signal is out-
put.
.
AK300102
VEHICLE
SPEED
SENSOR
B-39 (B)
AB
CONNECTOR: B-39
AK300116
CONNECTOR: C-87
AB
C-87
AK300094
CONNECTOR: C-62 <M/T>
ECM
AB
C-62 (GR)
AK300125
CONNECTOR: C-112
AB
C-112
AK300117
CONNECTOR: C-78
AB
C-78
AK300119
CONNECTOR: C-28
AB
C-28
AK300101
CONNECTOR: B-36
AB
B-36 (B)
AK300124
CONNECTOR: C-111
AB
C-111
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