On-Vehicle Inspection of
FUEL INJECTION Components
HARNESS INSPECTION
Measure the ignition switch (IG)
terminal input voltage.
l
Engine control module con-
nector: Disconnected
Ignition switch OFF: 0- 1 V
Ignition switch ON: Battery
voltage
harness.
(Ignition
switch 82)
or check the
ignition
switch
A Harness side
connector
age of the
relay.
Ignition
O F F
l
relay connector: Discon-
nected
Battery voltage
Measure the
harness.
(Battery
A3, A4)
A
Harness
control
module
side connector
side connector
Engine control
module harness
side connector
Check for an open-circuit, or a
short-circuit to ground. between
the engine control module and the
MFI relay.
l
Engine control module
Disconnected
l
MFI relay connector: Discon-
nected
Repair the
harness.
Check for an open-circuit, or a
short-circuit to ground between
the engine control module and the
MFI relay.
l
MFI relay connector:
l
Engine control module con-
nector: Disconnected
Repair the
harness.
(Al
Measure power voltage to the
tuator.
l
MFI relay connector:
l
Engine control module
Connected
Engine cranking: 8V
or
higher
Engine racing: Battery voltage
Replace the
MFI relay or
defective
engine
trol module
TSB Revision
Summary of Contents for 1992 3000GT
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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...
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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...
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