What is C open relay?

What is C open relay?

The C/open relay is the Circuit Open relay located in the engine compartment Junction block. It is used to disable the fuel pump. I removed it to depressurize the fuel system in order to clean the injectors.

What is the difference between an oxygen sensor and an air fuel ratio sensor?

An air/fuel sensor can read a much wider and leaner range of fuel mixtures than a conventional O2 sensor. That’s why they’re also called “wideband” O2 sensors. Another difference is that A/F sensors don’t produce a voltage signal that suddenly changes on either side of Lambda when the air/fuel goes rich or lean.

Where is the clutch relay on a Toyota Corolla?

Click to expand… The magnetic clutch relay for the compressor is located on the driver side of the vehicle under the hood in the main junction block. The interior fuse panel has a 10 amp a/c fuse as well for the blower. I’ve gone through both.

Where is the blower motor relay on a Toyota Corolla?

Been having A/C problems-no air at all. Going through some steps to diagnose, and have been looking for the blower motor relay. It’s a square, 5 bladed relay. Directly under the passenger side dash, with only the glove box removed, no relay box is easily visible.

Where are the fuses on a Toyota Corolla?

Fuse box diagram (fuse layout), location, and assignment of fuses and relays Toyota Corolla (E120, E130 – USA) (2003, 2004, 2005, 2006, 2007, 2008). The fuses are designed to blow before the entire wiring harness is damaged. If any of the electrical components do not operate, a fuse may have blown.

What kind of system does a Toyota Corolla have?

Electric cooling fan, anti−lock brake system, vehicle stability control system, traction control system, brake assist system, shift lock control system, cruise control system Power outlet (on the instrument panel) or cigarette lighter, car audio system, clock, power rear view mirror control, shift lock control system