INTAKE AND EXHAUST
Troubleshooting (Active
ACTIVE EXHAUST SYSTEM CIRCUIT CHECK
5
C-82
c-71
3
q
TROUBLESHOOTING HINTS
Checking Active Exhaust Control Unit
Terminal
No.
Status
voltage
1
SPORT MODE signal
SPORT MODE
Not less than
TOUR MODE signal
TOUR MODE
Not less than
Full open
detection
SPORT MODE
(Not
Engine control unit output signal
Control unit ground
Control unit ground
TOUR MODE, engine speed of not less
than 3,500 rpm
TOUR MODE, idle
SPORT MODE
At all
At all
Battery voltage
ov
Battery voltage
ov
Battery voltage
Full close position detection signal
TOUR MODE
(Not
9
Intermediate position detection signal
At all
Not less than 5V
TSB
Revision
Summary of Contents for 3000GT 1991
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Page 604: ...27 8 REAR AXLE AWD Special Tools SPECIAL TOOLS MZ DA MB990799 01 TSB Revision...
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Page 876: ...42 4 BODY SDecial Tools SPECIAL TOOLS M42DA remover TSB Revision...
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Page 942: ...EXTERIOR SDecial Tools SPECIAL TOOLS MBlKG I system inspectlon MB991 359 TSB Revision...
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