Afternoon all, Iv'e been searching round for the Ecu harness wiring this afternoon so far i have found all the pinouts i need but got 2 different diagrams showing 2 different ground wires.can anyone confirm wheather pinout(E) is the ground or the pinout above it with red arrow pointing to it.

I dont want to connnect switch on n it go pop so any help would be great thanks. :nana2:

 

 

The one marked E is the main earth, the one above it seems to be used for sensor earths...

The one marked E is the main earth, the one above it seems to be used for sensor earths...

 

Cheers Duffman op man. :dance: :)

Top man even. :slap:

Hi Can anyone tell me what each pinout does. as i want to fit my turbo timer and vsd. thanks Jay

 

Afternoon all, Iv'e been searching round for the Ecu harness wiring this afternoon so far i have found all the pinouts i need but got 2 different diagrams showing 2 different ground wires.can anyone confirm wheather pinout(E) is the ground or the pinout above it with red arrow pointing to it.

I dont want to connnect switch on n it go pop so any help would be great thanks. :nana2:

 

 

1990-1995 Nissan 300ZX Pin

1 Ignition 1 Coil #1

2 Ignition 2 Coil #2

3 Ignition 3 Coil #3

4 AAC Valve

5 A/T Control Unit PW

6 Cooling Fan Relay (300ZX Turbo Only)

7 Tachometer

8 AIV Solenoid (90-92 300ZX)

9 Air Conditioner Relay

10 ECM Ground

11 Ignition 4 Coil #1

12 Ignition 5 Coil #2

13 Ignition 6 Coil #3

14 A/T Control Unit

15 A/T Control Unit

16 ECM Self-Shutoff Power Source

17 Data Link Connector

18 Fuel Pump Relay

19 Cooling Fan Relay

20 ECM Ground

21 Diagnostics Receive Data

22 Diagnostics Transmit Data Switch

23 Knock Sensor

24

25 Wastegate Solenoids (Turbo Only)

26 Mass Air Flow Sensor Ground

27 Mass Air Flow Sensor MAF

28 Engine Coolant Temperature Sensor

29 Right Side Heated Oxygen Sensor

30 Sensor Ground

31 Diagnostics Clock EGT

32 Malfunction Indicator Lamp

33 FICD Solenoid

34 Power Steering Oil Pressure

35 Fuel Pump Voltage Control (300ZX Turbo Only)

36 Fuel Temperature Sensor

37 --- Spare Temp Input Avail, 0-5 Volt

38 Throttle Position Sensor TPS

39 EGR Temperature Sensor

40

41 Camshaft Position Reference Signal

42 Camshaft Position Signal

43 Start Signal Cranking

44 Neutral Position Switch

45 Ignition Switch +12V

46 Air Conditioner Switch

47 Diagnostics Check Signal EGT

48 Power Source For Sensors +5V

49 Power Supply For ECM

50 ECM Ground

51 Camshaft Position Reference Signal

52 Camshaft Position Signal

53 Vehicle Speed Sensor

54 Idle Position Switch Switch

55 Left Side Heated Oxygen Sensor

56 Throttle Sensor Output Signal

57 Power Source For Idle Position Switch

58 Power Supply Back-Up Permanent +12V

59 Power Supply For ECM

60 ECM Ground

101 Injector 1

102 EGR Control Solenoid Valve Idle

103 Injector 3

104 Fuel Pump Voltage Control

105 Injector 5

106

107 ECM Ground Power Ground

108 ECM Ground Power Ground

109 Power Supply For ECM

110 Injector 2

111 PRVR Control Solenoid Valve Injector

112 Injector 4

113 VTC Solenoid Valves

114 Injector 6

115 O2 Sensor Heater Injector

116 ECM Ground Power Ground

hope this helps bud, hows the fueling prob going

Thanks Kev, thats a massive help, ive worked out what pinouts i need now. My fueling is more or less still the same but it is deffo my efi harness, so i have done a temorary fix until i can get hold of new connectors and splice them in. At the moment im getting 30 miles to £10.

Ive also fitted a new afm and i have a ecu which i am going to socket and chip before fitting in a few weeks. but i realised last night that ive got my mot coming up in around 10 days so need to prepare for that....