Checking a fuel pump on a 1994 Toyota Landcruiser (1 Viewer)

[1barubier]

My Landcruiser has been sitting for 3 years due to bad tranny. I've drained the old gas & put new. I've disconnected fuel line at the fuel filter to pump, (clear) old gas out of the line. When I turn the ignition on, no gas pumps thru the line and I don't hear the pump whirring. I've accessed the connector at the fuel tank entry point. Can anyone tell me the voltages I should see at each of the pins with the ignition in the run position? Can I put direct 12v from a battery to the Blue/Black stripe (+) & connect ground to White/ Black stripe. To see if the pump will work. there are a total of 5 wires at the plug. 3 are smaller gauge I'm assuming they are for the sending unit. The other 2 wires B/Bl & W/Bl are larger gauge with W/Bl going to ground. I'm heading to the auto store now to buy a shop manual. Thanks for any help.

 

[jonheld]

My Landcruiser has been sitting for 3 years due to bad tranny. I've drained the old gas & put new. I've disconnected fuel line at the fuel filter to pump, (clear) old gas out of the line. When I turn the ignition on, no gas pumps thru the line and I don't hear the pump whirring. I've accessed the connector at the fuel tank entry point. Can anyone tell me the voltages I should see at each of the pins with the ignition in the run position? Can I put direct 12v from a battery to the Blue/Black stripe (+) & connect ground to White/ Black stripe. To see if the pump will work. there are a total of 5 wires at the plug. 3 are smaller gauge I'm assuming they are for the sending unit. The other 2 wires B/Bl & W/Bl are larger gauge with W/Bl going to ground. I'm heading to the auto store now to buy a shop manual. Thanks for any help.

The fuel pump will not run with the key in the ON/RUN position..
Save yourself some time and download the Toyota FSM and EWD from the resources section.

 

[jpoole]

I don't think the pump will run unless the engine is turning over.

The FSM and EWD / etc. should all be available for download here:

Resources

forum.ih8mud.com

 

[jonheld]

You can bypass all FP logic and run the pump manually by jumping terminals 12 (B+) to 1 (FP) on the diagnostic connector on the firewall. This will enable to FP to run with the key in the ON/RUN position. This should be used for diagnostics only.

 

[Malleus]

Firewall side

 

[1barubier]

Will try connecting Pins B+ & FP together in Diagnostic connector on passenger side firewall thanks!