MULTIPORT
On-Vehicle Inspection of
FUEL INJECTION Comwnents
A Harness side
A Harness
side
connector
2 1
4 3
Engine control
module harness
side connector
B
Harness side
A
Harness side
connector
A Harness
side connector
Measure the power
supply
aae of the MFI relav.
Control relay connector: Dis-
connected
Ignition switch OFF: 0- 1 V
Ignition switch ON: Battery
voltage
switch A3,
A4) or check
ignition
switch.
short-circuit to ground
the MFI relay and the engine
l
Engine control module
Disconnected
Repair the
harness.
the MFI relay (for fuel pump) and
l
Fuel pump connector: Dis-
connected
Repair the
harness.
(Al
Measure the power supply volt-
age of the fuel pump.
l
MFI relay connector: Con-
nected
l
Engine control unit
tor: Connected
Engine cranking: 8V or more
Engine racing: Battery voltage
MFI relay or
engine
control mod-
ule is defec-
tive.
MULTIPORT FUEL INJECTION (MFI) RELAY AND FUEL PUMP RELAY INSPECTION
Refer to
TSB Revision
Summary of Contents for 1992 3000GT
Page 1: ......
Page 2: ......
Page 104: ...13 2...
Page 118: ...13A 14 MULTIPORT FUEL INJECTION Special Tools TSB Revision...
Page 394: ...NOTES...
Page 460: ...NOTES...
Page 532: ...NOTES...
Page 536: ...21 4 CLUTCH Troubleshooting Excessive wear of clutch disc facin I LJ 1 TSB Revision...
Page 556: ...NOTES...
Page 570: ...22 14 MANUAL TRANSAXLE AWD Special Tools SPECIAL TOOLS Oil seal installer TSB Revision...
Page 582: ...i...
Page 584: ...I di...
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Page 600: ...I I I LJ LJ I L...
Page 609: ...AUTOMATIC TRANSAXLE Troubleshooting 23 I 9 L L 1 TSB Revision...
Page 668: ...NOTES...
Page 692: ...NOTES...
Page 752: ...33 2 NOTES...
Page 766: ...NOTES...
Page 809: ...REAR SUSPENSION AWD Special Tools 34 23 B lMB990244 i TSB Revision...
Page 810: ...34 24 REAR SUSPENSION AWD Troubleshooting TROUBLESHOOTING TSB Revision...
Page 946: ...NOTES...
Page 958: ...NOTES...
Page 960: ...37 2...
Page 964: ...37A 4 STEERING Snecial Tools SPECIAL TOOLS Preload socket General service TSB Revision...
Page 994: ...NOTES...
Page 1006: ...NOTES...
Page 1068: ...42 62 BODY Sunroof SUNROOF SWITCH CONTINUITY CHECK 18FO403 TSB Revision...
Page 1070: ...NOTES I...
Page 1103: ...52 1 i INTERIOR CONTENTS INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 528 i...
Page 1104: ...52 2 NOTES...
Page 1220: ...NOTES dl...
Page 1307: ...1 1 I I I 1 I 1 1 I I I j I i i i I i I j j...
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