ECU power → relay | R | 109 | 101 | W/B | Injector #1 |
Injector #2 | Y/B | 110 | 102 | O/B | Wastegate valve control |
O2 heater gnd | B | 111 | 103 | G/B | Injector #3 |
Injector #4 | L/B | 112 | 104 | - | |
AAC idle | Light Blue | 113 | 105 | L/R | EGR → F4 29 |
VTC | Y | 114 | 106 | B/Y | Fuel pump → F4 30 |
- | 115 | 107 | B | GND | |
GND | B | 116 | 108 | B | GND |
NATS → F4 19 | G/Y | 8 | 1 | R/W | PTU coil #1 |
Cooling fan → F4 28 | O/L | 9 | 2 | L/B | Tachometer |
- | 10 | 3 | R/Y | PTU coil #2 | |
AC relay → F4 25 | G/Y | 11 | 4 | R/B | ECU relay |
- | 12 | 5 | R/G | PTU coil #3 | |
GND | B | 13 | 6 | B | GND |
Consult CLK | G/W | 14 | 7 | G/B | Consult RX |
Consult Check | G/R | 23 | 15 | G | Consult TX |
Malfunction Indication lamp | O | 24 | 16 | W | MAF signal |
PTU coil #4 | R/L | 25 | 17 | B | MAF GND |
NATS → F4 15 | Y/G | 26 | 18 | L/O | Coolant sensor input |
Knock sensor | W | 27 | 19 | W | O2 signal |
- | 28 | 20 | W | TPS signal | |
- | 29 | 21 | B | TPS GND (temp sensor gnd) | |
CAS position (=ecu pin 22) | B | 30 | 22 | B | CAS position (=ecu pin30) |
Cas reference (=ecu pin31) | W | 40 | 31 | W | CAS reference (=ecu pin40) |
AR CON → F4 17 | R | 41 | 32 | Y/G | Speed |
- | 42 | 33 | - | ||
Power steering switch | Violet/W | 43 | 34 | O/L | Start signal → F4 22 |
- | 44 | 35 | G/O | Neutral switch → F4 4 | |
- | 45 | 36 | B/R | Ignition to injectors → F4 48 | |
ECU relay | R | 46 | 37 | Light Green/R | TPS power output |
ECU power → relay | B/W | 47 | 38 | B/W | Power relay |
GND | B | 48 | 39 | B | GND |
Wiper | Violet | 9 | 1 | - | |
Wiper | L/W | 10 | 2 | B | NATS ground |
Tachometer → ecu2 | L/B | 11 | 3 | B | GND |
Water temp to dash | Y | 12 | 4 | G/O | Neutral switch → ecu35 |
Speed → ecu32 | Y/G | 13 | 5 | G/Y | ABS |
- | 14 | 6 | L/R | ABS | |
NATS → ecu26 | Y/G | 15 | 7 | G/W | Consult CLK |
Consult RX | G/B | 16 | 8 | G/B | LH turn signal |
AC relay → ecu11 | G/Y | 25 | 17 | R | AR CON → ecu41 |
Consult TX | G | 26 | 18 | - | |
Consult Check | G/Brown | 27 | 19 | G/Y | NATS → ecu8 |
Cooling fan → ecu9 | O/L | 28 | 20 | O | Malfunction Indication lamp → ecu24 |
EGR → ecu105 | L/R | 29 | 21 | Brown | O2 |
Fuel pump → ecu106 | B/Y | 30 | 22 | O/L | Start signal → ecu34 |
- | 31 | 23 | B/Y | EVAP | |
- | 32 | 24 | R | ECU backup power | |
- | 41 | 33 | Brown | Wiper | |
- | 42 | 34 | Light Green/R | Wiper | |
- | 43 | 35 | Light Green/B | Wiper | |
- | 44 | 36 | Light Green | Wiper | |
AC | L/R | 45 | 37 | Pink | Wiper |
- | 46 | 38 | - | Wiper | |
- | 47 | 39 | - | ||
Ignition to injectors → ecu36 | B/R | 48 | 40 | - |
S14 SR20DET LHD F4
1 – PU – Wipers INT VR
2 – L/Y – Wipers INT SW
3 –
4 –
5 – Y/G – Speed signal to dash (VSP)
6 –
7 – R/G – ECU to Power transistor IGN#3
8 – G/B – CONSULT SCI RX IN
9 – G/Y – Turn Signal LH side
10 – L/G – FAN CONTROL (RF RH)
11 – R/L – ECU to Power transistor IGN#4
12 – G/OR – Neutral position switch (NEUT) (MT ONLY!, AT wires R/G to F7 plug)
13 –
14 –
15 – G/W – CONSULT CLK
16 – R/Y – ECU to Power transistor IGN#2
17 – G/Y – AC Tripple pressure switch (AC RLY)
18 – G – CONSULT TX OUT
19 – G/R – CONSULT CHECK
20 – OR/L – FAN CONTROL (RF RL)
21 – PU/W – Power steering oil pressure switch (PWST)
22 – B/P – Fuel pump relay (from ecu to relay)
23 – B – Boost pressure sensor ground to ecu
24 – LG/R – ECU to Boost pressure sensor (AVCC)
25 – R – ECU AIR CON
26 – R/W – ECU to Power transistor IGN#1
27 – OR/B – Wastegate control (from ecu to wg solenoid) (WGC)
28 – OR – Malfunction indicator (check engine) (LED-R)
29 – BR – O2 sensor/VTC +12v from ignition
30 – OR/L – Start Signal
31 – B/Y – IACV-AAC VALVE (idle) +12V
32 – R – BATTERY to ECCS RELAY +12V
33 – G – Power transistor to coil#4
34 – BR – Power transistor to coil#3
35 – W – Power transistor to coil#2
36 – R – Power transistor to coil#1
37 – L/R – IACV-FICD solenoid valve
38 – GRAY – Boost sensor signal shielding ground
39 – W – Boost pressure sensor to ECU (TPRESS)
40 – B/R – Ignition switch +12V (powers injectors relay)
41 – BR – Wipers OFF AND INT SW
42 – LG/R – Wipers LO
43 – LG/B – Wipers HI
44 – LG – Wipers +12V
45 – P – Wipers washer switch (WASH SW)
46 –
47 – L/R – Rear window defogger switch (LOAD) (AT MODELS ONLY)
48 – B/R – IGN SW to ECU +12V
S14 SR20DET RHD F4
1 – PU – Wipers INT VR
2 – L/Y – Wipers INT SW
3 –
4 –
5 – Y/G – Speed signal to dash (VSP)
6 –
7 –
8 – G/B – CONSULT SCI RX IN
9 –
10 – B – Consult GND
11 –
12 – G/OR – Neutral position switch (NEUT) (MT ONLY!, AT wires R/G to F7 plug)
13 –
14 –
15 – G/W – CONSULT CLK
16 – G/B – Side turn signal lamp LH
17 – G/Y – AC Tripple pressure switch (AC RLY)
18 – G – CONSULT TX OUT
19 – G/R – CONSULT CHECK
20 – OR/L – FAN CONTROL (RF RL)
21 – L/R – EGR (from ecu)
22 – B/Y – Fuel pump relay (from ecu to relay)
23 – B – Boost pressure sensor ground to ecu
24 – LG/R – ECU to Boost pressure sensor (AVCC)
25 – R – ECU AIR CON
26 – L/G – FAN CONTROL (RF RH)
27 –
28 – OR – Malfunction indicator (check engine) (LED-R)
29 – BR – O2 sensor /Wastegate solenoid/VTC +12v from ignition
30 – OR/L – Start Signal
31 – B/Y – IACV-AAC VALVE (idle) +12V
32 – R – BATTERY to ECCS RELAY +12V
33 –
34 –
35 – B/W – CAS +12V to IMMU
36 – B/W – CAS +12V from IMMU
37 – L/R – IACV-FICD solenoid valve
38 – GRAY – Boost sensor signal shielding ground
39 – W – Boost pressure sensor to ECU (TPRESS)
40 – R/L – Ignition switch +12V (powers injectors relay)
41 – BR – Wipers OFF AND INT SW
42 – LG/R – Wipers LO
43 – LG/B – Wipers HI
44 – LG – Wipers +12V
45 – P – Wipers washer switch (WASH SW)
46 –
47 –
48 – BR – IGN SW to ECU +12V
240SX S14 KA24 ECU
02/94 – 07/94: 23710-70F00 (Superceded by 2371M-70F03RE)
07/94 – 09/94: 23710-70F01, 23710-70F02 (Superceded by 2371M-70F03RE)
09/94 – 02/95: 23710-70F02, 23710-70F03 (Superceded by 2371M-70F03RE)
02/95 – 07/95: 23710-70F03 (Superceded by 2371M-70F03RE)
07/95 – 12/95: 23710-72F01, 23710-72F02 (Superceded by 2371M-72F05RE)
12/95 – 02/96: 23710-72F02, 23710-72F03 (Superceded by 2371M-72F05RE)
02/96 – 07/96: 23710-72F03, 23710-72F04 (Superceded by 2371M-72F05RE)
07/96 – 07/97: 23710-81F00, 23710-81F02 (Superceded by 2371M-81F03RE)
07/97 – 12/97: 23710-81F60, 23710-81F61 (Superceded by 2371M-81F79RE)
12/97 – 06/98: 23710-81F61, 23710-81F78 (Superceded by 2371M-81F79RE)
“1995 ECU” 2371M-70F03RE is interchangeable with “1996 ECU” 2371M-72F05RE except pins 9 and 12 are swapped.
Hi
I Have a nissan sr20de and looking for the pinout the ecu is a 2371053J12 can you help thanks
What car is it from? P10 primera? there should be a factory service manual with all required pinouts available to download.
Hi
Can someone please help me. Will this diagram work for Nissan Hardbody VG33 as well?
No, this is for late S14 model ecu
Hi I want to know where you found these and were they in the FSM if so what page no.
I’ve traced this ECU and wiring loom myself, couldn’t find anything online or in service manuals.
hi team I am making my u14 bluebird / p11 primera in to a race car so I wasn’t in need of windows, lights ect and I have now cut 1 to many wires now it doesn’t start.
any loom info will be good, I have only touched the loom that comes from the grey box to the fuse box and all the loom behind dash eg radio heater loom ect any diagrams will hopefully help
its running an sr20de with the hyper cvt m6 auto gearbox.
Hi there. What about the f7 plug up by the fuse box in the engine bay, do you have the pinout and what wires are for which for this plug?