Maxima Wagon V6-2960cc 3.0L SOHC MFI (VG30E) (1986)
9. Disconnect Electronic Concentrated Engine Control System (E.C.C.S.) harness connectors at the Electronic Control Unit (E.C.U.).
10. Jump No. "108" connector of E.C.U. to body ground.
Vacuum/fuel Pressure Test
11. Turn ignition switch to "ON" and read the indication of fuel pressure gauge as vacuum is changed.
NOTE: Fuel pressure should decrease as vacuum increases. If results are unsatisfactory, replace fuel pressure regulator.