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SR20DET wiring ECU pins and description of wire colors

SR20DET wiring ECU pins and description of wire colors

pinout.jpg

1 - Coil Pack 1 Output (Via power transistor Unit) - Red White

2 - Coil Pack 2 Output (Via power transistor Unit) - Red Yellow

3 - Tachometer signal output - Yellow Red

4 - ECCS Relay - Red Black

5 - Ignition Pulse Monitor (For Trip Comp ?)

6 - Ignition Signal Ground - Black

7 - RX data (Signal from Nissan Consult hand terminal) -Green Black

8 - Coil Pack 3 Output (Via power transistor Unit) - Red White

9 - Coil Pack 4 Output (Via power transistor Unit) - Red White

10 -

11 -

12 - A/T signal DT3 (autotrans gear select ?)

13 - Ignition Signal Ground - Black

14 - CLK clock (timing signal) - Green White

15 - TX data (signal to Nissan Consult hand terminal) - Green

16 - MAFS signal input ( Mass Air Flow Sensor ) - White

17 - MAFS ground - Black

18 - Water Temp Sensor input - Blue Brown

19 - Oxyen Sensor input (O2) - White

20 - TPS input (throttle postion sensor) - White

21 - Sensor ground - Black

22 - CAS 180deg signal (Crank angle sensor) - White

23 - CHK check (check start) ? - Green Red

24 - Monitor check Lamp (red) (fault code lamp output)

25 - Exhaust over temp warning lamp output - Orange

26 - Exhaust temp sensor inout (Behind the Cat) - Blue Yellow

27 - Detonation sensorinput (knock sensor) - White

28 - TPS for A/T (kick down switch)

29 - Sensor ground - Black

30 - CAS 180deg signal (crank angle sensor) - White

31 - CAS 1deg signal (crank angle sensor) - Black

32 - Speed sensor input - Yellow Green

33 -

34 - Start signal (from ignition switch) - Orange

35 - A/T neutral switch input - Green Orange

36 - IGN (ignition ON, from ignition switch) - Black Red

37 - TPS power output (power to throttle position sensor) - Light Green Red

38 - ECCS power - Black White

39 - ECCS ground - Black

40 - CAS 1 deg signal (crank angle sensor) - Red Black

41 - A/C on input (Air Con ON from A/C panel) - Blue Green

42 - A/T signal DT1 (auto trans gear select ?)

43 - Power steering switch (speed proportional control output) - Purple White

44 - A/T signal DT1 (auto trans gear select ?)

45 - Ambient air tamp sensor input - Blue White

46 - ECCS backup power - Red

47 - ECCS power - Black White

48 - ECCS ground - Black

101 - Injector No. 1 drive output - White Black

102 - EAI control solenoid output (egr valve control ?) - Orange Black

103 - Injector No.3 drive output - Green Black

104 - Fuel pump relay output - Black Purple

105 - Fuel pressure control module - Red White

106 - A/C on output (Air conditioner on relay signal) - Green Black

107 - Injector ground - Black

108 - Injector ground - Black

109 - Reverse electrical flow return circuit (alternator fail input) - Red

110 - Injector No. 2 drive output - Yellow Black

111 - Turbo boost pressure control solenoid (over boost cut ?) - Orange Black

112 - Injector No. 4 drive output - Blue Black

113 - AAC valve control (Auxiliary Air Control, Idle speed control) - Light Blue

114 -

115 -

116 - Injector ground - Black


 

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