Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
M170-A-63 Peak Hold Injector 3
M170-A-66 Peak Hold Injector 4
M170-A-52 Universal Digital Input 5
M170-A-62 Peak Hold Injector 8
M170-A-24 Peak Hold Injector 5
M170-A-53 Universal Digital Input 6
M170-A-13 Universal Digital Input 7
M170-A-45 Universal Digital Input 4
M170-A-22 Universal Digital Input 8
M170-A-42 Peak Hold Injector 6
OEM-1
Stock ECU being replaced
ACooling fan relay (low-side)
BA/C condenser fan relay
CStarter input (12V while cranking)
ECheck engine light (MIL)
GA/C clutch relay
KA/C pressure switch (A/C request)
LClutch switch
MVehicle speed sensor (VSS)
QBrake switch
UFuel pump relay (low-side)
M170-A-26 Analogue Voltage Input 1
M170-A-12 Analogue Voltage Input 5
M170-A-36 Analogue Voltage Input 6
M170-A-18 Analogue Voltage Input 2
M170-A-28 Analogue Temperature Input 1
M170-A-6 Analogue Voltage Input 3
5V ref
M170-A-35 Analogue Voltage Input 7
M170-A-38 Analogue Temperature Input 2
M170-A-44 Analogue Voltage Input 8
M170-A-57 Peak Hold Injector 7
M170-A-7 Analogue Voltage Input 4
0V sensor
OEM-3
Stock ECU being replaced
BMAF sensor input
CFront O2 sensor input
DRear O2 sensor input
FThrottle position (TPS)
GEngine coolant temp (CLT)
HEGR boost sensor
I+5V sensor reference
JEGR valve position sensor
KIntake air temp (IAT)
LIdle switch (closed throttle)
MFront O2 heater control
NEGR boost sensor (2nd channel)
OSensor ground
GND
ECU power +12V (main relay)
GND
GND
M170-A-49 Universal Digital Input 1
M170-A-46 Universal Digital Input 3
M170-A-56 Universal Digital Input 2
0V sensor
Permanent +12V (battery)
GND
M170-A-1 Low Side Ignition 1
M170-A-5 Low Side Ignition 2
M170-A-33 Peak Hold Injector 1
M170-A-43 Low Side Injector 1
M170-A-50 Peak Hold Injector 2
M170-A-51 Low Side Injector 2
OEM-4
Stock ECU being replaced
AChassis ground
BECU power +12V (main relay)
CChassis ground
DChassis ground
ECrank position (CKP) sensor
FCAS SGT (cam trigger)
GCAS SGC (cam sync)
HCrank pickup timing ground (CKP gnd)
IPermanent +12V (battery)
KChassis ground
NIgnition coil trigger (cyl 1&4)
RIgnition coil trigger (cyl 2&3)
UInjector 1 (cyl 1)
VInjector 2 (cyl 2)
WInjector 3 (cyl 3)
XInjector 4 (cyl 4)
M170
M170-A
M170
1Low Side Ignition 1
5Low Side Ignition 2
6Analogue Voltage Input 3
7Analogue Voltage Input 4
11Sensor 0V A
12Analogue Voltage Input 5
13Universal Digital Input 7
14Battery Negative 1
15Battery Negative 2
16Sensor 5.0V A
18Analogue Voltage Input 2
19Battery Negative 3
20Battery Negative 4
21Battery Negative 5
22Universal Digital Input 8
23Battery Positive
24Peak Hold Injector 5
26Analogue Voltage Input 1
27Sensor 0V B
28Analogue Temperature Input 1
32Battery Positive
33Peak Hold Injector 1
35Analogue Voltage Input 7
36Analogue Voltage Input 6
38Analogue Temperature Input 2
41Battery Positive
42Peak Hold Injector 6
43Low Side Injector 1
44Analogue Voltage Input 8
45Universal Digital Input 4
46Universal Digital Input 3
49Universal Digital Input 1
50Peak Hold Injector 2
51Low Side Injector 2
52Universal Digital Input 5
53Universal Digital Input 6
54Battery Backup
56Universal Digital Input 2
57Peak Hold Injector 7
62Peak Hold Injector 8
63Peak Hold Injector 3
66Peak Hold Injector 4
OEM-4-N Ignition coil trigger (cyl 1&4)
OEM-4-R Ignition coil trigger (cyl 2&3)
OEM-3-H EGR boost sensor
OEM-3-N EGR boost sensor (2nd channel)
0V sensor
OEM-3-C Front O2 sensor input
OEM-1-L Clutch switch
GND
GND
5V ref
OEM-3-F Throttle position (TPS)
GND
GND
GND
OEM-1-Q Brake switch
Battery Positive
OEM-1-G A/C clutch relay
OEM-3-B MAF sensor input
0V sensor
OEM-3-G Engine coolant temp (CLT)
Battery Positive
OEM-4-U Injector 1 (cyl 1)
OEM-3-J EGR valve position sensor
OEM-3-D Rear O2 sensor input
OEM-3-K Intake air temp (IAT)
Battery Positive
OEM-1-U Fuel pump relay (low-side)
OEM-4-V Injector 2 (cyl 2)
OEM-3-L Idle switch (closed throttle)
OEM-1-M Vehicle speed sensor (VSS)
OEM-4-F CAS SGT (cam trigger)
OEM-4-E Crank position (CKP) sensor
OEM-4-W Injector 3 (cyl 3)
OEM-4-X Injector 4 (cyl 4)
OEM-1-C Starter input (12V while cranking)
OEM-1-K A/C pressure switch (A/C request)
Battery Backup
OEM-4-G CAS SGC (cam sync)
OEM-3-M Front O2 heater control
OEM-1-E Check engine light (MIL)
OEM-1-A Cooling fan relay (low-side)
OEM-1-B A/C condenser fan relay
SP-GND · 10 pins
SP-0V · 5 pins
SP-14V · 5 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
49 / 49 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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