Mitsubishi Eclipse. Manual — part 569
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-819
STEP 6. Check the power supply voltage at power steering
pressure switch harness side connector B-19.
(1) Disconnect the connector B-19 and measure at the harness
side.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal No. 1 and ground.
• Voltage should be battery positive voltage.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 11.
NO : Go to Step 7.
AK300437
1
CONNECTOR: B-19
AB
B-19
HARNESS CONNECTOR:
COMPONENT SIDE
AK000260AG
1
B-19 HERNESS
CONNECTOR:
COMPONENT SIDE
![](/vehicles/winoney/grold/thow/urined.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-820
STEP 7. Check the 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>.
(2) Disconnect the power steering pressure switch connector
B-19.
(3) Turn the ignition switch to the "ON" position.
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
![](/vehicles/winoney/grold/thow/brsol.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-821
(4) Measure the voltage between terminal No. 54 <M/T> or No.
52 <A/T> and ground by backprobing.
• Voltage should be between battery positive voltage.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 8.
NO : Go to Step 9.
AK000261
4142 43 44
48
50 51
49
52 53 54 55 56 57 58 59
45 46 47
60 61
62 63 64
65
67 68
66
AE
C-58 HARNESS
CONNECTOR:
HARNESS SIDE
<M/T>
AKX01552
41
AH
C-55 HARNESS
CONNECTOR:
HARNESS SIDE
42 43
44 45 46
47 48 49 50 51 52 53 54 55 56 57
58 59
60 61
63
64
66
<A/T>
65
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-822
STEP 8. Check connector C-58 at ECM <M/T> or connector
C-55 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Check connector B-47 at intermediate connector for
damage, and repair or replace as required. Refer to
GROUP 00E, Harness Connector Inspection
. If intermediate connector is in good
condition, repair harness wire between power
steering pressure switch connector B-19 (terminal No.
1) and ECM connector C-58 (terminal No. 54) <M/T>
or PCM connector C-55 (terminal No. 52) <A/T>
because of open circuit. Then go to Step 14.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 14.
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
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