Do you need an ECU for a Honda Civic?

If you own a Honda Civic and want to modify it, you’ll need the right ECU. Picking the right Honda engine to swap into your car is just one part of the equation.

What kind of wiring harness do I need for Honda Civic?

Required when doing K-Series swaps. Available applications: 88-91 Civic/ CRX EF*, 92-00 Civic (EG/ EK) & 94-01 Integra DC. Brand new connectors and pins sourced from the same company Honda uses. This conversion will make your EG Civic or DC2 Integra compatible with a H-Series engine.

Do you need a harness for a Honda GS-R?

Available in 16” or 32” lengths (fits most US spec Honda 4 wire O2 sensors) Wired for GS-R secondaries, and all other options. Direct plug and play. This harness will allow you to run an older OBD1 M/T ECU in your newer vehicle. This Zerg Jumper harness is for the installation of the ECU only. Required when doing K-Series swaps.

What kind of computer does a Honda Civic have?

P2P – One of the rare SOHC VTEC Honda ECU is found in the 1996-2000 Honda Civic EX. This model features the 1.6 liter D16Y8 and can be modified although not as easily as the P28. P2T – Rare to find and harder to source, this computer is in the OBD2 Honda Civic Si with the 1.6 liter B16 in it.

Can a standard harness be converted to a VTEC motor?

Note: Standard harness does not include VTEC wiring so if you are going to be wiring in VTEC your self or not using a VTEC motor select standard harness conversion. If you are running a VTEC engine & would like for us to add a VTEC sub-harness for you that can be done at an additional cost by selecting swap type below.

What kind of ground cable do I need for Honda Civic?

ZERG Industries Dual to Multi-Point Conversion adapter for 89-91 Honda Civic/ CRX D & B-Series Conversions. – (3) 8 Gauge 14 inch long ground wires. The 3 shorter ground cables can be used for Front and Rear Transmission grounds as well as your Head/Valve cover ground. AAAll grounds are protected with DR-25 high temp shrink.

What kind of ECU does a Honda Accord have?

P0A – Commonly discarded by those looking to step up to the VTEC H22 Prelude engine, this ECU is found in the OBD1 1994-1995 Honda Accord EX. P13 – Great for any Honda engine swap and easily modified and chipped, this unit is in the 1992-1995 Honda Prelude VTEC using the DOHC 2.2 liter H22A engine.

Is there a way to read a locked ECU tune?

You will be able to read the locked ECU tune using the found key, but will not be able to view and edit that tune after getting the key.

What do the numbers mean on a Honda ECU?

These groupings of identification numbers will tell you if you have a auto or manual transmission. For all OBD0 Honda ECU units the three digit codes break down as follows. OBD0 Manual transmission ECUs will have these three digit groupings following the ECU code.

Where is the ECU fuse on a Honda Civic?

To access the ECU fuse, simply pop the hood of your vehicle and open the fuse box. The ECU fuse should be clearly marked on the outside of the fuse box cover or in the owner’s manual.

What happens when you reset the ECU on a Honda Civic?

Resetting the ECU will clear the trouble codes and restore the system’s memory so it can “learn” the aftermarket parts. The process is straightforward and does not require the help of a professional mechanic or Honda dealership; however, you will want to follow the instructions carefully and make sure you have completed each step correctly.

What do you use the ECU connector for?

Only 17 left in stock – order soon. . . GODIAG GT100 car Diagnostic Tool ECU Connector, Used for OBDII Protocol Communication Detection and ECU Maintenance/Diagnosis/Programming/Coding. Signal Detection and Battery Conversion

What do you use ECU connector for godiag GT100?

GODIAG GT100 car Diagnostic Tool ECU Connector, Used for OBDII Protocol Communication Detection and ECU Maintenance/Diagnosis/Programming/Coding. Signal Detection and Battery Conversion .

Why does my Honda Civic run rough at idle?

Low oil levels would cause the idle roughness, and low coolant levels would cause the engine to run hot as well as rough. To check if the fluid levels are low, let the car sit until the engine is cold. Let it sit for a few hours until the motor is cool to the touch.

What to do if your Honda Civic is shaking?

Let it sit for a few hours until the motor is cool to the touch. Remove the oil dipstick, and check for an appropriate fluid level. Then, check the the coolant reservoir for color, quality, and the appropriate level of the coolant. Top off or replace the engine oil or coolant as needed. Figure 1. Low coolant and grey deposits in the radiator.

What kind of engine does a Honda Civic have?

This list includes most inline 4-cylinder engines only, starting in alphabetical order from A-series on. The A16A1 was a Carbureted 1.6 litre engine used in the 1982-1985 Honda Accords in North America and in some of the 1986-1989 Accords in the non-USDM market.

What kind of ECU does a Honda del Sol have?

P28 – Easily one of the most commonly chipped Honda ECU found in many Honda swaps, this VTEC ECU is in the 1992-1995 Honda Civic EX, Si as well as the VTEC Honda Del Sol Si. P30 – Not quite as common as the P28 the P30 is still a very popular choice when it comes to Honda swaps and converting to VTEC.

How many horsepower does a Honda Civic have?

1 Manufacturer : Honda 2 Engine Displacement : 1.6 3 Model : HONDA CIVIC 4 Engine Name : D16A / ZC VTEC 5 Year : 92-95

If you own a Honda Civic and want to modify it, you’ll need the right ECU. Picking the right Honda engine to swap into your car is just one part of the equation.

What kind of engine does a Honda Civic H23A have?

The H23A1 was an increased-stroke, non-VTEC version of the F22B, designed for the North American market version of the 1992–1996 Honda Prelude Si. There is also a DOHC VTEC version of the H23A, available in the CH6 accord (CF4 wagon) SiR in Japan.

Where is the part number on a Honda ECU?

Honda ECUs run in generations, which use different connectors. Below is a stack of ECUs running from the newest generation at the top to the oldest generation at the bottom. All Honda ECUs have a part number which is located on the side of the ECU and inside the ECU on the connector. e.g. 37820-P72-A01

Where are the plugs in a Honda Civic?

These plugs, sensors, and switches are found around the entire engine and are necessary for engines to run efficiently. Each wire harness and plug sends power to its corresponding components of the engine. Over time, these plugs can crack as well, resulting in loose connections and causing a slew of different issues in the engine.

Where are the fuses on a Honda Civic EX?

Location and descriptions of the fuses of the under-hood fuse box for 1.7L 2001-2004 Honda Civic DX, EX, and LX. For the 2005 Honda Civic under-hood fuse box fuse descriptions, go here: Under-Hood Fuse/Relay Box (2005 1.7L Honda Civic).

Is there a forum for a Honda Civic?

Welcome to the Honda Civic Forum. We welcome you to Honda Civic Forums, one of the largest Honda Civic Forums online. No matter what model Honda Civic you have there’s a forum section here for you.

Where does the pink wire go on a Honda Civic?

Basically, cut the wire on B15, purple goes to the ECU side, pink goes to the VTEC solly side. If you are running an EX head with an LX harness and LX ECU, then ignore the purple wire and run the pink wire straight to the VTEC solenoid. In both cases, ignore the VTEC oil pressure sending unit wires.

What does the middle 3 digits on a Honda ECU mean?

The middle 3 digits are the main identifier of the ECU and used in the table above, first column, ECU Code. This code is often associated with the engine or car. for example, a PR3 ECU often has an engine with a PR3 headstamp. The Last 3 characters denote the ECU Revision type and each character is a different indicator.

Where can I buy a new Honda Civic ECM?

Your engine control computer (ECM) delivers fuel and fire in a precise manner, which generates such performance. When your ECM fails, get a new one from AutoZone. A new ECM for Honda Civic keeps things running smoothly and proficiently. Buy your ECM online and get home shipping.

What does engine control computer do on Honda Civic?

Get back to zipping around the city. Utilizing a four-cylinder power plant that produces over 40 miles per gallon makes your Honda Civic untouchable in the economy-car class. Your engine control computer (ECM) delivers fuel and fire in a precise manner, which generates such performance.

What are the codes on a Honda ECU?

Automatic transmissions will have these codes : OBD1 ECU’s with a manual transmission will have these groups of three digit codes 000, 001, 002, 003, A00, A01, A02, C00, C01, C02, J00, J01, J02 and the automatic transmissions will feature J50, J51, 900, 901, 902, C50, C51, C52, A50, A51, and A52.

What kind of ECU does a Honda OBD1 have?

OBD1 ECU’s with a manual transmission will have these groups of three digit codes 000, 001, 002, 003, A00, A01, A02, C00, C01, C02, J00, J01, J02 and the automatic transmissions will feature J50, J51, 900, 901, 902, C50, C51, C52, A50, A51, and A52. Have any questions about our Honda ECU Master List? leave us a comment below and let us know!

What to do if O2 sensor is bad?

If all that checks out, you’ll want to check the operation of the O2 sensor. To do that, you’ll need access to a scan tool or oscilloscope. Check that the waveform is pretty steady. If the reading fluctuates then the sensor is likely bad and will need to be replaced.

What is the P0420 code on OBD-II?

A P0420 code is a trouble code on OBD-II equipped vehicles. All vehicles from 1996-newer sold in North America support this generic powertrain code.

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