Without Toyota Hand-Held Tester
CHECK THAT THERE ARE NO FUEL LEAKS AFTER PERFORMING MAINTENANCE ANYWHERE ON THE FUEL SYSTEM.- Connect a test wire from the fuel pump connector terminal 4 to the positive (+) battery terminal and another test wire from the fuel pump connector terminal 5 to the negative (-) battery terminal.
- Pinch the fuel return hose.
- The pressure in the high pressure line will rise to approx. 400 kPa (4 kgf/sq.cm. 57 psi).
- In this state, check to see that there are no leaks from any part of the fuel system.
NOTICE: Always pinch the hose. Avoid bending as it may cause the hose to crack.
- Disconnect the test wires from the battery and then from the fuel pump connector.