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Fuel pump Relay

Tiny
RESTOMAN
  • MEMBER
  • 1997 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • AUTOMATIC
Where is the fuel pump relay located in a 97 Toyota Four Runner Limited 3.4l V6?
Wednesday, February 23rd, 2011 AT 7:23 PM

35 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The relay that activates the fuel pump is the circuit opening relay here is its location by the drivers side. Here are also some guides and diagrams to help you get the problem fixed. Please check the EFI relay as well

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

and

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/how-to-check-wiring

Here are the engine and fuel pump wiring diagrams (Below)

Please run some tests and get back to us so we can keep helping you.

Cheers, Ken
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Wednesday, February 23rd, 2011 AT 7:42 PM
Tiny
RESTOMAN
  • MEMBER
  • 2 POSTS
Rasmataz,

Thanks for the info, I testing the fuel pump relay/circuit open and it was bad I replaced it with a new one I got from Amazon for $21.00

https://www.amazon.com/gp/product/B00H3UCLD4/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B00H3UCLD4&linkId=7ed93da895c1340dd81351afe69091cc

You guys are the best,

Restoman
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Wednesday, February 23rd, 2011 AT 8:18 PM
Tiny
EMERALDGYPSY524
  • MEMBER
  • 1 POST
  • 1998 TOYOTA 4RUNNER
  • 11,000 MILES
Car does not start
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Tuesday, September 19th, 2017 AT 5:42 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
**Cranks but no start condition:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if so, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.
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Tuesday, September 19th, 2017 AT 5:42 PM (Merged)
Tiny
JLEVETT
  • MEMBER
  • 1 POST
  • 1993 TOYOTA 4RUNNER
Electrical problem
1993 Toyota 4Runner 4 cyl Four Wheel Drive Automatic

where is the fuel pump relay located because ther is no power to the fuel pump.
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Tuesday, September 19th, 2017 AT 5:42 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Main Relay And Circuit Opening Relay Locations


https://www.2carpros.com/forum/automotive_pictures/12900_fr_5.jpg


The Circuit Opening Relay is located at the right kick panel directly above the Engine Control Module (ECM)
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Tuesday, September 19th, 2017 AT 5:42 PM (Merged)
Tiny
SAMBODIXON1
  • MEMBER
  • 1 POST
  • 1988 TOYOTA 4RUNNER
Where is the fuel pump relay on this thing.
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It is called the circuit opening relay on this model

Body View


https://www.2carpros.com/forum/automotive_pictures/12900_fuelp_1.jpg



See the diagram below for the wiring
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
TLOST07
  • MEMBER
  • 5 POSTS
  • 1997 TOYOTA 4RUNNER
  • 3.4L
  • V6
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
My fuel pump will not come on. The pump is good, I have checked and replaced the relays and fuses and the pump. I have also taken out the open circuit relay and jumped the poles between three and five and the pump then turns on when I turn the key to ignition, but upon removing the jumper and replacing the relay in the connector the pump no longer turns on. What could this mean? Is it likely that the ECU or PCM is bad?
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,787 POSTS
Hello,

There is a an EFI relay that goes out in the these cars which can cause the fuel pump relay not to kick on. Also if the mass air flow sensor is having a problem the computer doesn't think the engine is turning over or running so it too will cause the fuel pump relay not to receive a trigger signal. Here is a wiring diagram and a guide so you can do some testing.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please run some tests and get back to us so we can continue helping you.

Best, Ken

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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
TLOST07
  • MEMBER
  • 5 POSTS
I have provided some pictures with what I have found in my testing. In all of the pictures provided there is no key in the ignition. And when the key is in the ignition And in the "on" position my test light stays lit fully. Not sure what this means if anything. But the photos show the bulb of the tester dimming and getting bright with the clamp of the tester on the + battery terminal and the probe inserted into one of the efi connector sockets. And your wiring diagram although helpful in knowing what wires go where, did not help me to find my issue. Where can I find my mass air flow sensor? And I'm not sure what to do next.
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,787 POSTS
Hey,

It kinda looks like you have a ground issue. Can you check the battery to chassis ground wire to make sure you have a good connection please.

Please let us know what happens.

Best, Ken
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
TLOST07
  • MEMBER
  • 5 POSTS
I checked and re grounded the the battery-chassis. I am still getting a pulsing light front the tester and when I turn the key to ignition I then get no light on the tester in that pole in that connector? Is this supposed to happen?
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,787 POSTS
Its hard to tell becasue we don't know the color of the wire you are testing. Did you replace the EFI relay as well?

Best, Ken
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
TLOST07
  • MEMBER
  • 5 POSTS
The EFI relay and the open circuit relay have been replaced and are new even though that wasn't necessary because the old relays we're still good. I have provided a photograph of the two wires that have been jumped that allow the fuel pump to turn on. The two wires in front of my finger are the two wires being jumped. Now, when the relays are replaced and the ignition is turned to on, The fuel pump no longer comes on. I suppose that is my biggest question. , Following that, would be, why will my car not start even though I have the fuel pump running and I have spark.
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
TLOST07
  • MEMBER
  • 5 POSTS
And the wire you were asking about is a black wire with white tracing.
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,787 POSTS
Black with a white tracer should have 12 volts all the time. Is the test light bright on that terminal?

Best, Ken
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Monday, May 27th, 2019 AT 3:19 PM (Merged)
Tiny
SCOTT HOWARD
  • MEMBER
  • 1 POST
  • 1997 TOYOTA 4RUNNER
  • 3.4L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 234,000 MILES
All fuses are good. Checked all relays besides one; the circuit opening relay cannot find it. Need help finding it.
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Wednesday, December 9th, 2020 AT 8:56 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

You need to go to the circuit opening relay and do some wiring testing.

https://www.2carpros.com/articles/how-to-check-wiring

Do you have a test light or voltmeter?

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

I attached a wire diagram and the location of the relay.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Roy
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Wednesday, December 9th, 2020 AT 8:56 AM (Merged)
Tiny
BAMBAM70
  • MEMBER
  • 2 POSTS
  • 1988 TOYOTA 4RUNNER
  • 186,000 MILES
I put in a new fuel pump and I am still not getting fuel. Do I have to bleed air out of the lines or do I need to look else where? Also where is the relay for the fuel pump at? Thanks for the help!
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Wednesday, December 9th, 2020 AT 8:56 AM (Merged)

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