Polaris RZR Main Header

Looking into the ECU side connector

 

Pin

ECU Pin

Function

Pin

ECU Pin

Function

1

nc

 

36

CAN 2 High

 

2

Injector 5 (Aux)

EFI Relay

37

Aux 5

ISC Stepper

3

nc

 

38

Aux 8

ISC Stepper

4

Aux 2

Engine Fan

39

Trig 1

Trig 1

5

Injector 1

Injection

40

nc

 

6

nc

 

41

nc

 

7

+5V Out

 

42

Ground (Signal)

 

8

nc

 

43

nc

 

9

DI 1

Ignition Switched 12v+

44

An Temp 1

ECT

10

An Volt 2

TPS

45

DI 2

Vehicle Speed

11

nc

 

46

nc

 

12

nc

 

47

nc

 

13

nc

 

48

CAN 2 Low

 

14

nc

 

49

nc

 

15

nc

 

50

Ground

 

16

Injector 2

Injection

51

Ground

 

17

Injector 6 (Aux)

AWD Hub Coil

52

Ground

 

18

nc

 

53

+14V

ECU Power

19

Aux 1

Fuel Pump Relay

54

Aux 3

 

20

nc

 

55

Ign 1

 

21

nc

 

56

Ign 2

 

22

An Volt 1

Factory MAP signal (Atmospheric pressure only)

 

23

An Volt 4

Transmission Position Switch

On Board MAP

An Volt 3

MAP

24

An Temp 2

Intake Air Temperature

Expansion 1

CAN1 High

 

25

Aux 6

ISC Stepper

Expansion 2

Aux 9

 

26

Aux 7

ISC Stepper

Expansion 3

Aux 4

 

27

Ground (signal)

 

Expansion 4

Injector 4 (Aux)

 

28

DI 3

AWD Switch

Expansion 5

Injector 3 (Aux)

 

29

nc

 

Expansion 6

+5V Out

 

30

Ground (signal)

 

Expansion 7

CAN1 Low

 

31

nc

 

Expansion 8

DI 5

 

32

DI 4

Input for equipment not fitted to all models

Expansion 9

Knock 1

 

33

nc

 

Expansion 10

An Volt 5

 

34

nc

 

Expansion 11

An Temp 3

 

35

nc

 

Expansion 12

Ground (Signal)

 

 

Note: Ignition 1&2 have built in igniters, Ignition 3 and onwards do not.

Note: Injector Drives 7 and 8 aren't exposed and don't have the hardware required to drive Injectors.

 

Looking into ECU side connector

Looking into ECU side connector

 

Pin Number

Function

Notes

1

CAN H

Communication bus

2

Auxiliary Output 9

Maximum current of 2 amps when driving to GND

3

Auxiliary Output 4

Maximum current of 2 amps when driving to GND

4

Injector Drive 4

Maximum current of 5 amps

5

Injector Drive 3

Maximum current of 5 amps

6

+5V

For sensors only

7

CAN L

Communication bus

8

Digital Input 5

Digital Input

9

Knock 1

Knock sensor input

10

AN Volt 5

Analog 0-5V input

11

AN Temp 3

Temperature Sensor Input

12

Sensor GND

For sensors only

 

 

Part numbers for expansion connector plug:

·Connector - MX23A12SF1

·Retainer - MA23A12Xf1

·12 x Terminals - M23S05K351.