Operation CHARM: Car repair manuals for everyone.

Fuel Pump: Testing and Inspection

Fuel Pump:




Fuel Pump Check:




Fuel Pump Check:






1. Check the operation of the fuel pump by applying battery voltage to the fuel pump drive terminal.
2. If the fuel pump will not operate check by using the following procedure. If normal check the fuel pump drive circuit.
a. Turn the ignition switch to OFF.
b. When the fuel pump drive connector (black) is attached directly to the battery check if the sound of the fuel pump operation can be heard.

NOTE: As the fuel pump is an in-tank type the fuel pump sound is hard to hear so remove the fuel tank filler tube cap and check from the inlet.

c. Check the fuel pressure by pinching the fuel hose with the fingertips.


HARNESS TESTING

Fuel Pump:





Part 1 of 8

Fuel Pump:





Part 2 of 8

Fuel Pump:





Part 3 of 8

Fuel Pump:





Part 4 of 8

Fuel Pump:





Part 5 of 8

Fuel Pump:





Part 6 of 8

Fuel Pump:





Part 7 of 8

Fuel Pump:





Part 8 of 8


SCAN TOOL TESTING

Fuel Pump: