Mitsubishi Eclipse. Manual — part 182
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-221
AK300415
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
CONNECTOR: C-60 <M/T>
AB
C-60 (G)
HARNESS CONNECTOR:
COMPONENT SIDE
AK300735
98
78
71
88
89
76
77
72
79
91
73
80
74
75
81
92
82
83
93
84
85
94
86
87
95
96
90
97
CONNECTOR: C-57 <A/T>
C-57 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-222
STEP 5. Using scan tool MB991958, check data list item 11:
Heated Oxygen Sensor (front).
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Start the engine and run at idle.
(3) Set scan tool MB991958 to the data reading mode for item
11, Heated Oxygen Sensor (front).
• Warming up the engine. When the engine is revved, the
output voltage should be 0.6 to 1.0 volt.
• Warming up the engine. When the engine is idling, the
output voltage should repeat 0.4 volt and 0.6 to 1.0 volt
alternately.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the sensor operating properly?
YES : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points
NO : Replace the ECM or PCM. Then go to Step 15.
AK300810
AB
MB991911
16-PIN
MB991827
MB991824
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-223
STEP 6. Check connector B-17 at heated oxygen sensor
(front) and connector C-60 at ECM <M/T> or connector
C-57 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Repair harness wire between heated oxygen sensor
(front) connector B-17 (terminal No. 4) and ECM
connector C-60 (terminal No. 76) <M/T> or PCM
connector C-57 (terminal No. 71) <A/T> because of
open circuit or harness damage. Then go to Step 15.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 15.
AK300403
1
2
3
4
AB
B-17 (B)
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR: B-17
HARNESS
CONNECTOR:
COMPONENT SIDE
AK300415
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
CONNECTOR: C-60 <M/T>
AB
C-60 (G)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-224
STEP 7. Check connector B-17 at heated oxygen sensor
(front) for damage.
Q: Is the connector in good condition?
YES : Go to Step 8.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 15.
AK300735
98
78
71
88
89
76
77
72
79
91
73
80
74
75
81
92
82
83
93
84
85
94
86
87
95
96
90
97
CONNECTOR: C-57 <A/T>
C-57 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300403
1
2
3
4
AB
B-17 (B)
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR: B-17
HARNESS
CONNECTOR:
COMPONENT SIDE
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