Maxima GXE V6-3.0L (VQ30DE) (1999)
if NG, replace power steering oil pressure switch.
IACV-FICD solenoid valve
Disconnect IACV-FICD solenoid valve harness connector.
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Check for clicking sound when applying 12 V direct current to terminals.
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Check plunger for seizing or sticking.
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Check for broken spring.