FixVault

Operation Test

  1. Turn ignition switch on. Short both terminals of fuel pump check connector. See Fig 1. Check for pressure in hose to cold start injector. Check for fuel return noise from pressure regulator.
    Fig 1: Check Connector Location
    G34724Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. If no pressure in hose to cold start injector, check the following: Fusible link, 15 amp fuse, relay, wiring connections, and fuel pump pressure.