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Old 09-11-2023, 05:11 PM #1
Whakeen Whakeen is offline
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Fuel Pump Wiring Diagram

Hey Everyone,
I'm hoping someone can help with finding a wiring diagram for the Fuel Pump / Connector in an 02 SR5.

I actually have a Wiring Diagram (EWD471U) for an 02 but it does not match what is in my vehicle.

I've searched this forum and a general google search but have not found references specifically for 02 models which have different connectors than the 96-00 models.

I've attached a photo of the connector for the fuel pump from my 02 4Runner. Everything I've researched indicates it should be a blue/orange power wire and a white/black ground wire. Neither of these wires exist on my connector (there is a blue and white wire but they don't have the correct corresponding stripe colors plus this is an 11 PIN connector vs the 5 PIN ones I've seen for prior model years.

Any help is appreciated. Thanks!
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Old 09-12-2023, 12:53 AM #2
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I don't think that is the fuel pump plug. Where exactly did you find it? On the rear seat strut, maybe? The five wire plug is under the access panel under the rear seat on the top of the fuel tank. I strongly doubt your rig is any different from all the others, unless maybe you have a 2003, not a third gen....

here is a pic of the access plate. The five wire plug is under there.



See the five wire socket on top of the tank?

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Last edited by TheDurk; 09-12-2023 at 01:09 AM.
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Old 09-12-2023, 12:04 PM #3
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TheDurk,
Thank you! I was in the right area but I didn't see the right connector. If you don't mind I edited your image to help someone in the future.

My apologies for wasting anyone's time. I was in a hurry and didn't read the manual thoroughly enough.

I won't have access to the 4Runner until tomorrow but this gets me back on track.
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Old 04-15-2024, 04:26 PM #4
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I hope that someone here can help me out. have a 1997 4runner v-6 that starts but dies as soon as you go from start to run with the key. It will run at high rpms around 3,000 but it sounds rough. Put a new fuel pump in it, but the other one has been tested and its good. HELP!!!!!
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Old 04-15-2024, 05:53 PM #5
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Quote:
Originally Posted by HOGCAT View Post
I hope that someone here can help me out. have a 1997 4runner v-6 that starts but dies as soon as you go from start to run with the key. It will run at high rpms around 3,000 but it sounds rough. Put a new fuel pump in it, but the other one has been tested and its good. HELP!!!!!
First guess is Crank Position Sensor. Fuel pump will die if it doesn't get a good signal as soon as key is released.
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'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
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Old 04-16-2024, 09:14 AM #6
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Do you mean the cam sensor? I don't think it actually has a crankshaft sensor but it has a sensor on the passenger side by the camshaft pulley.

Last edited by HOGCAT; 04-16-2024 at 09:29 AM.
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Old 04-16-2024, 09:28 AM #7
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Also the idle control that lets it idle fast when cold and controls the idle speed when warm. You know what the proper name is. anyway it's location is just below the throttle plate and lets air bypass the throttle plate buzzes real fast (at least 15 times a second) I know it's controlled by a magnetic impulse that controls a drum that lets in air. The one I have on my V6 is white and has 3 wires going to it.
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Old 04-19-2024, 11:55 AM #8
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Quote:
Originally Posted by HOGCAT View Post
Also the idle control that lets it idle fast when cold and controls the idle speed when warm. You know what the proper name is. anyway it's location is just below the throttle plate and lets air bypass the throttle plate buzzes real fast (at least 15 times a second) I know it's controlled by a magnetic impulse that controls a drum that lets in air. The one I have on my V6 is white and has 3 wires going to it.
NAME= AIC :-)

How to test and clean it.
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Old 04-19-2024, 12:01 PM #9
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Quote:
Originally Posted by HOGCAT View Post
Do you mean the cam sensor? I don't think it actually has a crankshaft sensor but it has a sensor on the passenger side by the camshaft pulley.
He means the Crankshaft Position Sensor.

Testing procedure here
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Brillo's Bucket Fluid Ex changer: https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information: https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html
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Old 04-19-2024, 02:18 PM #10
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Quote:
Originally Posted by brillo_76 View Post
He means the Crankshaft Position Sensor.

Testing procedure here
I did indeed.
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'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
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Old 04-24-2024, 01:03 PM #11
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Those parts are relatively inexpensive. I replaced most of the sensors in my minor resto. BE CAREFUL OF THE WIRING CONNECTORS! I found my oil pressure wire broken, due to my handling or...? I donnow. Thankfully , all are also available, but do take care in unplugging anything.
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