rusefi_documentation/Vehicles/Acura-RSX-2003

## General

http://en.wikipedia.org/wiki/Honda_K_engine

31+24+22+17+31=125 pin header

![Honda K Series Connector](Images/Honda_K_header.jpg)

![Honda K Series Reluctor Wheel](Images/Honda_K_reluctor.jpg)

## plug A

![Plug A](Images/Honda_K_plug_a.png)

| pos | color | desc | type |
| - | - | - | - |
|1|| o2 heater |
|2|| power | input |
|3|| power | input |
|4|
|5|
|6|| o2 signal |
|7|| CKP crankshaft position sensor | input |
|8|
|9|| know sensor signal | input |
|10|| signal ground | ground |
|11|| signal ground | ground |
|12|
|13|| n/a | n/a | n/a |
|14| n/a | n/a | n/a |
|15|| throttle position sensor TPS |
|16|| o2 signal return |
|17| n/a | n/a | n/a |
|18| 
|19|| MAP signal | input |
|20|
|21|
|22|
|23|
|24|
|25|| camshaft position sensor |
|26|
|27|| coil #4 | output |
|28|| coil #3 | output |
|29|| coil #2 | output |
|30|| coil #1 | output |
|31| n/a | n/a | n/a |

## plug B

![Plug B](Images/Honda_K_plug_b.png)

| pos | color | desc                            | type  |
|-----|-------|---------------------------------|-------|
| 1   |       | VTC Oil Control Solenoid        |       |
| 2   |       |                                 |       |
| 3   |       |                                 |       |
| 4   |       |                                 |       |
| 5   |       |                                 |       |
| 6   |       |                                 |       |
| 7   |       |                                 |       |
| 8   |       |                                 |       |
| 9   |       | engine coolant temperature      | input |
| 10  |       |                                 |       |
| 11  | n/a   | n/a                             | n/a   |
| 12  | n/a   | n/a                             | n/a   |
| 13  |       |                                 |       |
| 14  |       |                                 |       |
| 15  |       |                                 |       |
| 16  |       | A/T                             |       |
| 17  |       | Intake Air Temperature          | Input |
| 18  |       |                                 |       |
| 19  | n/a   | n/a                             | n/a   |
| 20  | n/a   | n/a                             | n/a   |
| 21  |       |                                 |       |
| 22  |       |                                 |       |
| 23  |       | VTC Oil Control Solenoid Return |       |
| 24  |       | A/T                             |       |

## plug C

![Plug C](Images/Honda_K_plug_c.png)

## plug D

![Plug D](Images/Honda_K_plug_d.png)

## plug E

![Plug E](Images/Honda_K_plug_e.png)

| pos | color | desc | type |
|-----|-------|------|------|
| 1   |       |      |      |
| 2   |       |      |      |
| 3   |       |      |      |
| 4   |       |      |      |
| 5   |       |      |      |
| 6   |       |      |      |
| 7   |       |      |      |
| 8   |       |      |      |
| 9   |       |      |      |
| 10  |       |      |      |
| 11  |       |      |      |
| 12  |       |      |      |
| 13  |       |      |      |
| 14  |       |      |      |
| 15  |       |      |      |
| 16  |       |      |      |
| 17  |       |      |      |
| 18  |       |      |      |
| 19  |       |      |      |
| 20  |       |      |      |
| 21  |       |      |      |
| 22  |       |      |      |
| 23  |       |      |      |
| 24  |       |      |      |

## Diagram

![Wiring Diagram](Acura_RSX_2003_ECU.png)