Buying an SR20DET from a seller who says it's a runner is like a box of chocolate. You never know what you're going to get. Brother, you scored. I got SUPER lucky with mine, and after 9 years making 330 HP, it's still running as strong as the day we fired it up. That kind of power in a 510 is stupid fun. Congrats!
Hey great run down on this, like your laidback approach (no BS). It's been asked in comments previously. Can you please please either advise or video on how you did the wiring to get this to start and run? You added relays to protect the ECU, please how is this wired up or what wires to? I'm putting an SR20DE in a boat so a simple wiring job is what I'm after. Thanks Paul from Sydney in OZ.
Hey thanks for watching and the compliment. So there use to be quite a few sr wiring diagrams listed on the Internet forums but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
For everyone wondering how he did it here's how: I was wiring a blacktop sr20det so the pin numbers I refer to will be off of that. You can cross reference the pin numbers from a blacktop ecu pinout to whatever sr pinout you have. Hook up pins 46, 47, 38, 4, 36, 109 to a switched 12v source. Hook up pins 48, 39 to a ground (I just used the chassis). Then in the engine bay, theres a constant 12v power wire for the ignition coils. I can't remember which color, but it was the thickest one. Then of course have the starter wired to a button and fuel pump to a switch. Then it will start up and drive with no issues. Use relays from the power to all the ecu wires for best protection.
Don't forget fuses too. Also just remembered this. Every pin on the ecu that gets supplied power must be supplied to as a T. So say you are running power to pin 46, You will cut the original pin 46 wire in half. Then solder or butt connect the power wire to both ends of that wire. You want the power going to the ecu and out towards the motor. I made that mistake at first and didn't have it Td off.
@@krunchynapkin2986 SR20DET wiring ECU pins and description of wire colors 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 *If you cant make out the diagram email me and I will send you a better picture. ECU fault codes Long Flash - 0.6 seconds on (the first digit) Short Flash - 0.3 seconds on (the second digit) Long Gap - 2.1 seconds off (used between codes) Short Gap - 0.9 seconds off (used between digits) There are two digits in each code. Count the long flashes, then the short flashes (only count how many times the light is ON) and you'll have a 2 digit code. These codes are covered in the service manual. Code Meaning 11 - Camshaft Position Sensor 12 - Air Flow Meter 13 - Coolant Temperature Sensor 14 - Vehicle Speed Sensor 21 - Ignition Signal 25 - IACV - AAC Valve 26 - Boost Pressure Sensor 31 - ECM Fault 32 - Exhaust Gas Recirculation System 33 - Front EGO Sensor (O2-1 Sensor) 34 - Knock Sensor 35 - EGR Temperature Sensor 36 - EGR BPT Valve 37 - Closed Loop System 41 - Intake Air Temperature Sensor 43 - Throttle Position Sensor 54 - Signal from Auto Transmission 55 - Other Malfunction. CONSULT Terminal Required 63 - Cylinder 6 Misfire (?) 64 - Cylinder 5 Misfire (?) 65 - Cylinder 4 Misfire 66 - Cylinder 3 Misfire 67 - Cylinder 2 Misfire 68 - Cylinder 1 Misfire 71 - Random Misfire 72 - TW Catalyst System 76 - Fuel Injection System 77 - Rear EGO Sensor (O2-2) 82 - Crank Position Sensor 84 - Automatic Transmission Diagnostic Comms Line 95 - Crank Position Cog 98 - Coolant Temperature Sensor 103 - Park/Neutral Switch 105 - EGR Solenoid 111 - Inhibitor Switch 112 - Automatic Transmission Speed Sensor 113 - Automatic Transmission 1st Signal 114 - Automatic Transmission 2nd Signal 115 - Automatic Transmission 3rd Signal 116 - Automatic Transmission 4th Signal 118 - Automatic Transmission Shift Solenoid Valve A 121 - Automatic Transmission Shift Solenoid Valve B 123 - Automatic Transmission Overrun Clutch Solenoid Valve 124 - Automatic Transmission TOR Conv Solenoid Valve 125 - Automatic Transmission Line Pressure Solenoid 126 - Automatic Transmission Throttle Position Sensor 127 - Automatic Transmission Engine Speed Signal 128 - Automatic Transmission Fluid Temperature Sensor Diagrams of wiring including ECCS, POWER/AUDIO and MAIN WIRING
@@krunchynapkin2986 this is why you use the brown and grey plugs off the engine harness and don’t tap in near the ecu . Just match the pins number to wire color and tap in at the chassis plugs not ecu plug
So there use to be quite a few sr wiring diagrams listed on the internet but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
Hey thanks for watching So there use to be quite a few sr wiring diagrams listed on the internet but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
can you go more in depth on the wires you hooked up and where? I'm trying to wire in a sr with the bare minimum needed to run since my chassis harness is all messed up.
So there use to be quite a few sr wiring diagrams listed on the internet but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
@@krunchynapkin2986 hey, can you please share what you figured out here so others, me included can wire our ECU's. Do you just add wires to the dash plug, if which ooines and what to? TIA Paul
@@Retired-Not-Expired Alright. I was wiring a blacktop sr20det so the pin numbers I refer to will be off of that. You can cross reference the pin numbers from a blacktop ecu pinout to whatever sr pinout you have. Hook up pins 46, 47, 38, 4, 36, 109 to a switched 12v source. Hook up pins 48, 38 to a ground (I just used the chassis). Then in the engine bay, theres a constant 12v power wire for the ignition coils. I can't remember which color, but it was the thickest one. Then of course have the starter wired to a button and fuel pump to a switch. Then it will start up and drive with no issues. Use relays from the power to all the ecu wires for best protection. If any questions, I'll probably see it tomorrow for a reply.
@@Retired-Not-Expired Also just remembered this. Every pin on the ecu that gets supplied power must be supplied to as a T. So say you are running power to pin 46, You will cut the original pin 46 wire in half. Then solder or butt connect the power wire to both ends of that wire. You want the power going to the ecu and out towards the motor. I made that mistake at first and didn't have it Td off.
Yes it is but not on the stock computer . All fwd sr20 and naturally aspirated rwd sr20 engines are distributor . Rwd sr20det are the only factory coilpack sr’s
Buying an SR20DET from a seller who says it's a runner is like a box of chocolate. You never know what you're going to get. Brother, you scored. I got SUPER lucky with mine, and after 9 years making 330 HP, it's still running as strong as the day we fired it up. That kind of power in a 510 is stupid fun. Congrats!
got this thing for $2500 too!!
I’m so happy I just found this.
I don't know why I love sr20s so much, good luck with the build. I'm on sr 2 or 3, I'll eventually get it right 😅
Looking forward to more content
SR is gOOd
Love the video 🔥 keep ‘em coming!
Ohh I ain’t stoppin now 😉
Great channel, can't wait to see you break 1k and then 1million.
That would be soo cool , when I get bigger I want to do some cool things for og subs . I’ll deff remember this comment !!
Hell Yeah! SR good! Nice job 👍
SR V gUUd!!
Awesome video as always!
🥰 thanks
GOD'S ENGINE
🙏🙏🙏🙏🙏🙏🙏🙏
Sweet man, glad it worked and you didn’t bad mouth me on video.
Bahaha nah thing started right up and ran good even the ecu I got from you worked ☺️
damn, she fired right up! She sounds healthy af!!!
Deff looks to be a good runner now which car to put it in 😅
Is that the new shop? Looks nice! WHOOO!
NopE it’s the trailer shop temporary tinkering location
Bro im having issues with routing my harness. Mainly the power and ground wires going between battery, alternator and starter
Hey great run down on this, like your laidback approach (no BS). It's been asked in comments previously. Can you please please either advise or video on how you did the wiring to get this to start and run? You added relays to protect the ECU, please how is this wired up or what wires to? I'm putting an SR20DE in a boat so a simple wiring job is what I'm after. Thanks Paul from Sydney in OZ.
Hey thanks for watching and the compliment. So there use to be quite a few sr wiring diagrams listed on the Internet forums but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
Check my page mate, I’ll be able to help. Just made my loom for sr20 to swap into a K10
For everyone wondering how he did it here's how: I was wiring a blacktop sr20det so the pin numbers I refer to will be off of that. You can cross reference the pin numbers from a blacktop ecu pinout to whatever sr pinout you have. Hook up pins 46, 47, 38, 4, 36, 109 to a switched 12v source. Hook up pins 48, 39 to a ground (I just used the chassis). Then in the engine bay, theres a constant 12v power wire for the ignition coils. I can't remember which color, but it was the thickest one. Then of course have the starter wired to a button and fuel pump to a switch. Then it will start up and drive with no issues. Use relays from the power to all the ecu wires for best protection.
Don't forget fuses too. Also just remembered this. Every pin on the ecu that gets supplied power must be supplied to as a T. So say you are running power to pin 46, You will cut the original pin 46 wire in half. Then solder or butt connect the power wire to both ends of that wire. You want the power going to the ecu and out towards the motor. I made that mistake at first and didn't have it Td off.
Hey thanks, heaps for that, just one thing you have listed pin 46 for both positive and later for a negative. really appreciate your efforts.
@@krunchynapkin2986 SR20DET wiring ECU pins and description of wire colors 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
*If you cant make out the diagram email me and I will send you a better picture.
ECU fault codes
Long Flash - 0.6 seconds on (the first digit)
Short Flash - 0.3 seconds on (the second digit)
Long Gap - 2.1 seconds off (used between codes)
Short Gap - 0.9 seconds off (used between digits)
There are two digits in each code. Count the long flashes, then the short flashes (only count how many times the light is ON) and you'll have a 2 digit code. These codes are covered in the service manual.
Code Meaning
11 - Camshaft Position Sensor
12 - Air Flow Meter
13 - Coolant Temperature Sensor
14 - Vehicle Speed Sensor
21 - Ignition Signal
25 - IACV - AAC Valve
26 - Boost Pressure Sensor
31 - ECM Fault
32 - Exhaust Gas Recirculation System
33 - Front EGO Sensor (O2-1 Sensor)
34 - Knock Sensor
35 - EGR Temperature Sensor
36 - EGR BPT Valve
37 - Closed Loop System
41 - Intake Air Temperature Sensor
43 - Throttle Position Sensor
54 - Signal from Auto Transmission
55 - Other Malfunction. CONSULT Terminal Required
63 - Cylinder 6 Misfire (?)
64 - Cylinder 5 Misfire (?)
65 - Cylinder 4 Misfire
66 - Cylinder 3 Misfire
67 - Cylinder 2 Misfire
68 - Cylinder 1 Misfire
71 - Random Misfire
72 - TW Catalyst System
76 - Fuel Injection System
77 - Rear EGO Sensor (O2-2)
82 - Crank Position Sensor
84 - Automatic Transmission Diagnostic Comms Line
95 - Crank Position Cog
98 - Coolant Temperature Sensor
103 - Park/Neutral Switch
105 - EGR Solenoid
111 - Inhibitor Switch
112 - Automatic Transmission Speed Sensor
113 - Automatic Transmission 1st Signal
114 - Automatic Transmission 2nd Signal
115 - Automatic Transmission 3rd Signal
116 - Automatic Transmission 4th Signal
118 - Automatic Transmission Shift Solenoid Valve A
121 - Automatic Transmission Shift Solenoid Valve B
123 - Automatic Transmission Overrun Clutch Solenoid Valve
124 - Automatic Transmission TOR Conv Solenoid Valve
125 - Automatic Transmission Line Pressure Solenoid
126 - Automatic Transmission Throttle Position Sensor
127 - Automatic Transmission Engine Speed Signal
128 - Automatic Transmission Fluid Temperature Sensor
Diagrams of wiring including ECCS, POWER/AUDIO and MAIN WIRING
@@krunchynapkin2986 this is why you use the brown and grey plugs off the engine harness and don’t tap in near the ecu . Just match the pins number to wire color and tap in at the chassis plugs not ecu plug
@@Retired-Not-Expired my bad about that. 46,47 are both still power. 48,39 are the grounds.
just bought an sr and saw this video and want to know how you did this? would really like info on this
Lol I need you to get my sr running
Same here lol
Do you have a detailed way you did this would love to do this but in a car haha
AMSR
Second!
Love to see it 🤤
Hey man, would you go into a bit more detail of the wiring you did to make it run?
i was wondering the same thing. did you ever figure it out? im trying to wire in my sr without a chassis harness.
So there use to be quite a few sr wiring diagrams listed on the internet but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
What tool did you clean those spark plugs with??
It’s just called a spark plug cleaner . Basically a sandblaster for plugs
Hey mate what wiring was needed for it to start on the ground?
did you ever figure it out? im trying to wire in an sr without a chassis harness.
Hey thanks for watching So there use to be quite a few sr wiring diagrams listed on the internet but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
can you go more in depth on the wires you hooked up and where? I'm trying to wire in a sr with the bare minimum needed to run since my chassis harness is all messed up.
So there use to be quite a few sr wiring diagrams listed on the internet but they have since been deleted or lost I suppose . I found the link but it’s a 404 not found page . I’ll have to see if I have anymore sr wiring harnesses to use for a video
@@Nscardigno33 I appreciate the reply, but i was able to figure it out.
@@krunchynapkin2986 hey, can you please share what you figured out here so others, me included can wire our ECU's. Do you just add wires to the dash plug, if which ooines and what to? TIA Paul
@@Retired-Not-Expired Alright. I was wiring a blacktop sr20det so the pin numbers I refer to will be off of that. You can cross reference the pin numbers from a blacktop ecu pinout to whatever sr pinout you have. Hook up pins 46, 47, 38, 4, 36, 109 to a switched 12v source. Hook up pins 48, 38 to a ground (I just used the chassis). Then in the engine bay, theres a constant 12v power wire for the ignition coils. I can't remember which color, but it was the thickest one. Then of course have the starter wired to a button and fuel pump to a switch. Then it will start up and drive with no issues. Use relays from the power to all the ecu wires for best protection. If any questions, I'll probably see it tomorrow for a reply.
@@Retired-Not-Expired Also just remembered this. Every pin on the ecu that gets supplied power must be supplied to as a T. So say you are running power to pin 46, You will cut the original pin 46 wire in half. Then solder or butt connect the power wire to both ends of that wire. You want the power going to the ecu and out towards the motor. I made that mistake at first and didn't have it Td off.
First!
😚😚
Its possible to convert sr20 from distributor to ig coil?
Yes it is but not on the stock computer . All fwd sr20 and naturally aspirated rwd sr20 engines are distributor . Rwd sr20det are the only factory coilpack sr’s
Are you able to do a better detailed lengthy videos very much detailed so me and other viewers can get more help ?
CAN I GET THAT WIRING DIAGRAM????
Same!!!!