Mitsubishi Montero Sport (2004+). Manual - part 296
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-597
Q: Are the connectors and terminals in good condition?
YES : It can be assumed that this malfunction is intermittent.
(Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points
− How to
Cope with Intermittent Malfunction
). Then go
to Step 16 .
NO : Repair or replace the damaged components. (Refer to
GROUP 00E, Harness Connector Inspection
STEP 10. Measure the 5-volt reference signal at PCM
connector C-90 by backprobing.
(1) Do not disconnect PCM connector C-90.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 46 and ground by
backprobing.
• The voltage should measure between 4.7 and 5.1 volts.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.8 and 5.2 volts?
YES : Go to Step 11 .
NO : Go to Step 15 .
AC002614
CONNECTOR: E-28
FUEL TANK
DIFFERENTIAL
PRESSURE
SENSOR
AH
E-28 (B)
2 1
3
E-28 HARNESS SIDE
CONNECTOR
PCM
60
46
66
57
45
44
64
55 56
65
62 63
52 53
5051
61
42
59
48
41
47
58
43
49
54
AC202313
C-90 (GR)
AC
CONNECTOR: C-90
C-90 (GR)
C-90 HARNESS SIDE CONNECTOR
AC203262 AB
C-90 HARNESS CONNECTOR:
HARNESS SIDE