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Choua Xiong Posted on Jan 15, 2019
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2011 Toyota Rav4 Circuit Opening Relay Location

I have a keyless 2011 Rav4. The engine crank but it will not start. Battery and everything else seems fine. I spray starting fluid and the engine run for a 5 seconds and died. I turn the car on without cranking and did not hear a humming or buzz noise from the fuel pump as stated in other site. My first diagnosis would be the circuit opening relay. Only problem is, I can't seem to find where it hidden. I checked both relay panel under the hood, no circuit opening relay or C/OPN. I checked the left side under the driver side foot, found other relays and Flasher relay but no Circuit Opening Relay. The manual stated that it should be on the driver side. Anyone happen to know where before I end up tearing my car into bits? Also, does the relay have another name beside fuel pump relay which seem to be replaced by "circuit opening relay"?

1 Answer

Derrick Schultz

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  • Toyota Master 11,405 Answers
  • Posted on Feb 27, 2019
Derrick Schultz
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2 Related Answers

Anonymous

  • 64 Answers
  • Posted on Mar 29, 2009

SOURCE: 1986 ford crown victoria no start

When you turn the key to the on position you should hear a 2-3 second buzz coming from the rear of the car.This will be the fuel pump priming the fuel system.If you don't hear this buzz,you may have a bad fuel pump.If there was fuel in the tank when it was parked,it will have certainly turned to varnish by now,possibly clogging the fuel filter,injectors,lines,pressure regulator,etc.Good luck,
ChevRev

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johnf1aresti

ARESTI

  • 1152 Answers
  • Posted on Aug 20, 2012

SOURCE: 86 toyota 4 runner no power to fuel pump or gauge, what is wrong?

check your fuses or the fuel relay which are located in the fuse box either by the drivers side or in the engine compartment,

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Related Questions:

1helpful
1answer

Where is the fuel pump relay on 1992 Toyota 4 runner

engine bay cluster
the cover has the legend

if fuel relay is ok ...could be this relay
Circuit Opening Relay
Circuit opening relay controls fuel pump circuit. The Engine Control Module (ECM) receives an input signal at STA terminal when engine is cranking. Starter signal is also applied to terminal STA of circuit opening relay.
Starter signal energizes circuit opening relay during cranking. Circuit opening relay then provides voltage to fuel pump or fuel pump relay.
Fuel pump switch in airflow meter provides ground for circuit opening relay.
26328785-q3uh2srnghbiaye4x0nczjdp-1-0.jpg

26328785-q3uh2srnghbiaye4x0nczjdp-1-1.jpg
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2009 toyota rav4 a/c relay location? - 2009 Toyota RAV4

Under the hood in the fuse and relay center. Refer to the owners manual.
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If we replaces the feul pump on my 2002 prizm and it still won't run what else can it be?

Did you check the EFI relay an circuit opening relay ? these relays power the fuel pump !
The circuit opening relay provides ignition positive voltage to the fuel pump. The circuit opening relay is controlled by the powertrain control module (PCM) and receives ignition positive voltage from the EFI relay. The PCM monitors the crank signal circuit, terminal C3-11, for voltage when the ignition switch is in the START (engine cranking) position. When the crank signal circuit indicates the engine is cranking the PCM energizes the circuit opening relay. The PCM also energizes the circuit opening relay whenever reference pulses from the crankcase position (CKP) sensor circuit are detected. If the crank signal circuit does NOT indicate the engine is cranking the PCM will energize the circuit opening relay based only upon reference pulses.
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Hw to fix rav4 2011 4wd check light stays on after air filter was changed

some newer vehicles have different ways to reset...try turning ignition switch on and off a few times without cranking...or removing one battery cable for a few minutes...
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2000 Toyota RAV4 has spark but will not start. Tried spraying starting fluid down air intake but it won't even give me so much as a putter. It doesn't have any alarms or security features.

Check your fuel pump.

The pump should make a sound when you turn ignition switch to the ON position. If not check "IGN" fuse and then "EFI" fuse located in the engine compartment fuse center.

Then also check the "EFI main relay"

Finally check the "circuit opening relay" which is activated if the vehicle is in a crash to shut off the fuel.
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Keyless Remote 2008 RAV4

You can take it back to the dealer, and have them change the battery, or go to Autozone, buy the battery and do it yourself. They can show you how to do it. And which battery it takes. It's not hard to do. Good luck.
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