What is the EFI fuse in a Toyota?
its for your EFI…hence the EFI fuse. It supplies power to the EFI system from the battery. Try cleaning the fuse, and the contacts again, and really well. Chances are its all corroded. btw the clicking you are hearing is the EFI Relay in the fuse block.
What is EFI fuse in car?
The 20A EFI fuse powers exactly one thing – the ECM. Through the ECM it can also serve as the power source for the electronically-controlled auto transmission (ECT) stuff. This means anything shorting out ‘downstream’ of the ECM (which is pretty much everything engine-related) could cause the EFI fuse to blow.
Why does my PCM fuse keep blowing?
Check the oxygen sensor wiring for melted wires against the exhaust. If that is ok then unplug the harness on the top of the transmission then see if it blows the fuse. The internal wiring could short against the inside of the pan or the case of the transmission.
Is there a fuse for the PCM?
The power distribution center is located under the hood and contains almost every single one of the vehicle’s fuses and relays. The ECM power relay, or the PCM relay, acts as a switch that provides power to the ECM. when the ignition key is turned off, the switches within the PCM relay no longer receive battery.
What does the EFI fuse on a Toyota Camry do?
It supplies the EFI Main relay, which in turn powers the fuel pump, ignition switch, and starter relay. In addition it powers the ECM computer, so that if you wish to clear a trouble code from there, you pull the EFI fuse for 30 sec. See here p177 You can’t post conmments that contain an email address. An expert who has achieved level 1.
Why does my EFI fuse keep blowing out?
Many Toyota owners have a problem with the electronic fuel injection (EFI) fuse blowing repeatedly. Here are some things to check: 1) The wires around the EGR tube for melting or fraying. 2) The wires near the EGR vacuum switching valve (VSV) located under the intake manifold.
Where are the fuses on a Toyota Ricks?
2) The wires near the EGR vacuum switching valve (VSV) located under the intake manifold. 3) Wires pinched between the intake manifold and the cylinder head. 4) Wires pinched anywhere along the valve cover. 5) Check injector wiring for any pinched locations.