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Where is the circuit opening relay? I have power.

Tiny
SPIDERGEAR
  • MEMBER
  • 2000 TOYOTA COROLLA
  • 180,000 MILES
Where is the circuit opening relay? I have power through the EFI main relay & now want to check the circuit opening relay. My fuel pump is not getting any voltage from the plug connection at the fuel tank.
Wednesday, February 13th, 2013 AT 10:29 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
The circuit open relay is the integration relay. Driver side R/B (relay box) 2nd from top. Click on the image below.
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Thursday, February 14th, 2013 AT 7:35 AM
Tiny
ANTOINE LAROCHE
  • MEMBER
  • 1 POST
No power to fuel pump but if I bypass the opening relay the fuel pump is working. Why the opening relay dont close his contact?
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Wednesday, January 10th, 2018 AT 2:43 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
The circuit opening relay is controlled by the Engine Control Unit (ECU) and if the wire is broken or the ECU is bad, the relay would not be energised to activate the Fuel pump relay.
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Wednesday, January 10th, 2018 AT 7:16 AM

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