MembersPage/Sprocket/ECpinUsage

ECU pin useage on my V3.8 box

Com1 and Com2 each on their own DSUB9 on the box back plate. EGT1 and EGT2 both on their own fly lead. Barometric sensor added internally on analog input channel 6.


EC36 Pin

1 Throttle Position Sensor

2 Inlet Air Temperature

3 Main Relay (P259/4) RPM trigger 100

4 Tacho (P259/0)

5 Ground

6 Cooling Fan (INJFET/6)

7 Injector1 (INJFET/0)

8 Injector3 (INJFET/2)

9 Evaporative Emissions Purge Solenoid (INJFET/4)Secondary PWM

10 Not Used (I259/7 Power)

11 COP3 (I259/4 Logic)

12 COP4 (I259/5 Logic)

13 Secondary Trigger VR

14 Coolant Temp

15 Fuel Pump Relay (P259/5)

16 Dash neon Light (P259/1)Future Use

17 Not Used (INJFET/7) For ETC Future use

18 Boost Solenoid (INJFET/5) Primary Boost Control

19 Injector2 (INJFET/1)

20 Injector4 (INJFET/3)

21 Ground

22 Ground

23 Flyback

24 Not Used (I259/6 Power)

25 12v+

26 Sensor Ground

27 Primary Trigger VR

28 MAP, Boost Rotary Switch +5v

29 TPS +5v

30 Shift Light (P259/7)

31 Engine Check Light (P259/6)

32 Ground

33 COP2 (I259/1 Logic)

34 Not Used (I259/2 Power)

35 COP1 (I259/0 Logic)

36 Not Used (I259/3 Power)


EC18 Pin

1 2nd WBO2 Nernst WBO2/1 (not wired at this time)

2 Wheelspeed2 (was Knock2)

3 Knock 1

4 Stepper Output A

5 Stepper Output C

6 MAP

7 1st and 2nd WBO2 Pump (-) WBO2/5

8 2nd WBO2 Pump (+) WBO2/6 (not wired at this time)

9 1st WBO2 Pump (+) WBO2/6

10 Stepper B

11 Stepper D

12 Wheelspeed1

13 1st WBO2 Nernst WBO2/1

14 Analog In Ch5 (Universal usage)

15 Analog In Ch2 (Universal usage)

16 Analog In Ch1 Boost 10 position Switch

17 2nd WBO2 Heater (-) WBO2/4 (not wired at this time)

18 1st WBO2 Heater (-) WBO2/4


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