Mitsubishi Eclipse. Manual — part 579
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-859
STEP 1. Using scan tool MB991958, read the diagnostic
trouble code (DTC).
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) Turn the ignition switch to the "ON" position.
(3) Erase the DTC.
(4) Start the engine and run it at idle.
(5) Read the DTC.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is DTC P1603 set?
YES : Go to Step 2.
NO : The inspection is complete.
AK300810
AB
MB991911
16-PIN
MB991827
MB991824
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-860
STEP 2. Check the backup power supply voltage at ECM
connector C-58 <M/T> or PCM connector C-55 <A/T> by
backprobing.
(1) Do not disconnect the ECM connector C-58 <M/T> or PCM
connector C-55 <A/T>.
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
AK300748
65
43
50
42
49
41
48
60
61
64
46
47
58
59
67
68
45
56
66
52 51
44
53
62
54
63
57
55
CONNECTOR: C-58 <M/T>
AB
C-58 (GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-861
(2) Measure the voltage between terminal No. 60 <M/T> or No.
66 <A/T> and ground by backprobing.
• Voltage should be battery positive voltage.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 5.
NO : Go to Step 3.
AK000738
AK000738
41424344
48
50 51
49
52 5354555657 58 59
45 46 47
60 61
626364
65
67 68
66
AK000738 AE
C-58 HARNESS
CONNECTOR:
HARNESS SIDE
<M/T>
AK000731
C-55 HARNESS
CONNECTOR:
HARNESS SIDE
46
57
66
45
56
65
44
55
43
49
54
64
42
48
59
41
47
58
53
63
52
62
51
61
50
60
AR
<A/T>
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-862
STEP 3. Check the backup power supply voltage at ECM
harness side connector C-58 <M/T> or PCM harness side
connector C-55 <A/T>.
(1) Disconnect the ECM connector C-58 <M/T> or PCM
connector C-55 <A/T> and measure at the harness 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
AK300748
65
43
50
42
49
41
48
60
61
64
46
47
58
59
67
68
45
56
66
52 51
44
53
62
54
63
57
55
CONNECTOR: C-58 <M/T>
AB
C-58 (GR)
HARNESS CONNECTOR:
COMPONENT SIDE
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст