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On-Vehicle Inspection of MFI
INJECTION
ACTIVE EXHAUST
UNIT <Turbo>
Active
exhaust
control
unit
DC motor for
valve drive
A Equipment side
connector
Engine control module connector
OPERATION
l
Muffler noise is controlled1 by opening and closing the valve provided inside the main muffler.
l
The valve is opened or closed by turning the DC motor in the normal or reverse direction.
l
The DC motor is driven
in
the normal or reverse direction by changing the direction of power flow
by the motor driving in the active exhaust control unit.
l
The active exhaust control module opens and closes the valve when it receives the signal produced
by the engine control unit.
HARNESS INSPECTION
Engine control
module harness
side connector
Measure the
voltaae of
aine control
I
l
Engine control module con-
nector: Disconnected
l
Ignition switch: ON
Battery voltage
Repair the
harness
ACTUATOR INSPECTION
Refer to GROUP 15.
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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