How do you test an AC relay on a Honda Civic?

Turn the Honda engine on. Turn the AC settings to “Off.” Open the hood of the Honda vehicle. Locate the AC clutch relay.
Connect the test light clip to the negative battery terminal. Touch the test light lead to the middle of the three wires.

Where is the main relay on a 1997 Honda Civic?

your main relay is behind your glove box, above your ecu in the corner to the right… you will need to take your glove box out and it will be it the right hand side corner..

Where is the main relay on a 1998 Honda Civic?

The Main Relay is to the right of the glove box. Take the dash side panel off and it’s right there.

Where is the fuel pump fuse on a 1998 Honda Civic?

It’s located behind the glove box.

What is PGM FI relay?

Description. The PGM-Fl main relay actually contains two individual relays. This relay is located at the left side (LHD) or right side (RHD) of the cowl. One relay is energized whenever the ignition is on which supplies the battery voltage to the ECM, power to the fuel injectors, and power for the second relay.

What PGM-Fi means?

Programmed Fuel Injection

Why is my PGM-FI light on?

The PGM-FI light just indicates the computer detected a problem, a sensor failed to report data or something seems ‘out of bounds’ for the computer (ECU) to process. The PGM-FI light is reset during the start sequence but the stored code is not erased.

What is the meaning of malfunction indicator lamp?

A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction. This warning light can indicate almost anything from a loose gas cap to a serious knock in the engine.

What happens when ignition relay goes bad?

If the relay fails it will cut off power to fuel pump and ignition system, which will result in a no power, and therefore no start condition. You may find that turning the key may power on the accessories, and may even crank the engine. Dead battery: A dead battery is another symptom of a faulty ignition relay.

What’s the difference between a relay and a fuse?

1. What’s the difference between a relay and a fuse? …a fuse protects a circuit from overload and a relay is a control device that uses a small amount of electrical current to control a larger amount or current. Thanks for the describing the difference.

Is a relay before or after a fuse?

If you power both the control and the pump side from the same 15 amp fuse, if there’s a short on the downstream side of the control circuit whatever has the lowest amp rating will fry first, if the relay coil is a max of 5 amps, the ignition switch 50 amps and the fuse is 15 amps your relay just became the fuse.