FUEL SYSTEM On-vehicle Inspection of MPI Components
ACTUATOR INSPECTION
Operation Check
NOTE
Before disconnecting the vacuum hose, mark it to ensure
reconnection at the correct position.
Remove the vacuum hose (blue stripe on black) from the
solenoid valve.
Disconnect the harness connector.
(3) Apply a negative pressure to the nipple to which the black
vacuum hose has been connected and check air-tightness
with and without the battery voltage applied to the solenoid
valve terminal.
Battery
voltage
The other nipple
of solenoid valve
Normal state
Not applied
Applied
Open
Negative pressure is
held
Coil Resistance Check
Measure the coil resistance with a circuit tester.
Standard value: 36 46 [at
TSB Revision
Summary of Contents for 3000GT 1991
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