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
EMUPRO16-C-1 Auxiliary 10
EMUPRO16-D-13 Auxiliary 13
EMUPRO16-D-19 Auxiliary 14
EMUPRO16-D-26 Auxiliary 15
5 no data
EMUPRO16-D-25 Auxiliary 16
7–8 no data
EMUPRO16-A-13 Digital 2
11 no data
EMUPRO16-C-2 Auxiliary 11
14 no data
EMUPRO16-B-1 Auxiliary 1 (WBO heater)
EMUPRO16-B-3 Auxiliary 3 (WBO heater)
EMUPRO16-B-4 Auxiliary 4 (WBO heater)
EMUPRO16-C-3 Auxiliary 12
EMUPRO16-B-5 Auxiliary 5
22 no data
EMUPRO16-C-32 Precision analog 2
EMUPRO16-A-14 Digital 4
EMUPRO16-A-24 Digital 5 (turbo)
EMUPRO16-A-16 Digital 6 (turbo)
EMUPRO16-B-6 Auxiliary 6
EMUPRO16-C-34 Precision analog 4
EMUPRO16-C-12 Analog 5
31 no data
EMUPRO16-A-23 Digital 7
OEM-A
Stock ECU being replaced
1Coolant temp gauge drive
2Air control valve solenoid
3Evap bypass solenoid
4Evap canister vent shut valve
5 no data
6Evap canister purge valve
7–8 no data
9Vehicle speed sensor
11 no data
12Immobilizer indicator light
14 no data
15Fuel pump relay (USDM)
16Fuel pump relay (JDM)
17A/C clutch relay
18Check engine light (MIL)
20Radiator fan relay
22 no data
23Secondary O2 sensor
24Starter switch signal
26Power steering load detect
27A/C switch (request)
28Air pump relay
29Fuel tank pressure sensor
30Electrical load detector
31 no data
32Brake switch
Power source 1 (main relay)
GND
EMUPRO16-A-3 Injector 2
EMUPRO16-A-4 Injector 3
EMUPRO16-A-5 Injector 4
6–8 no data
Power source 2 (main relay)
GND
EMUPRO16-A-2 Injector 1
RLY1-R-OUT Relay contact output (switched +12 V to load)
13–19 no data
GND
GND
EMUPRO16-A-25 Auxiliary 9
24–25 no data
OEM-B
Stock ECU being replaced
1Power source 1 (main relay)
2Power ground 1
3Injector 2
4Injector 3
5Injector 4
6–8 no data
9Power source 2 (main relay)
10Power ground 2
11Injector 1
12VTEC solenoid
13–19 no data
20Ground
22Ground
23Idle air control valve
24–25 no data
EMUPRO16-B-7 Auxiliary 7
EMUPRO16-A-6 Injector 5
EMUPRO16-A-30 Ignition 1
EMUPRO16-A-22 Digital 3
6 no data
0V sensor
EMUPRO16-A-21 Digital 1 (crank)
SP-0V · 4 pins
EMUPRO16-A-15 Digital 8
EMUPRO16-B-13 Auxiliary 8
EMUPRO16-A-29 Ignition 2
EMUPRO16-A-28 Ignition 3
EMUPRO16-A-27 Ignition 4
EMUPRO16-C-11 Analog 3
EMUPRO16-C-33 Precision analog 3
EMUPRO16-C-10 Analog 1 (MAP)
0V sensor
5V ref
23 no data
EMUPRO16-D-21 Precision analog 5
EMUPRO16-C-19 Analog 4
EMUPRO16-C-18 Analog 2
EMUPRO16-C-31 Precision analog 1
5V ref
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
1Primary O2 heater
2Alternator control
4Ignition coil 1
5Alternator FR signal
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
10VTEC pressure switch
11Secondary O2 heater control
12Ignition coil 2
13Ignition coil 3
14Ignition coil 4
15Secondary O2 sensor
16Primary O2 sensor
17MAP sensor
18Sensor ground 2
19Sensor 5V supply 1 (MAP)
23 no data
24Air pump electric current sensor
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
28Sensor 5V supply 2
30Cam (TDC2) sensor −
31Timing ground
1–16 no data
OEM-D
Stock ECU being replaced
1–16 no data
EMUPRO16
EMUPRO16-A
EMUPRO16
2Injector 1
3Injector 2
4Injector 3
5Injector 4
6Injector 5
11Power GND
12+5V source A
13Digital 2
14Digital 4
15Digital 8
16Digital 6 (turbo)
17Power GND
19Power GND
20Digital GND
21Digital 1 (crank)
22Digital 3
23Digital 7
24Digital 5 (turbo)
25Auxiliary 9
27Ignition 4
28Ignition 3
29Ignition 2
30Ignition 1
OEM-B-11 Injector 1
OEM-B-3 Injector 2
OEM-B-4 Injector 3
OEM-B-5 Injector 4
OEM-C-2 Alternator control
GND
5V ref
OEM-A-9 Vehicle speed sensor
OEM-A-24 Starter switch signal
OEM-C-10 VTEC pressure switch
OEM-A-27 A/C switch (request)
GND
GND
0V sensor
OEM-C-8 Crank sensor + (CKP+)
OEM-C-5 Alternator FR signal
OEM-A-32 Brake switch
OEM-A-26 Power steering load detect
OEM-B-23 Idle air control valve
OEM-C-14 Ignition coil 4
OEM-C-13 Ignition coil 3
OEM-C-12 Ignition coil 2
OEM-C-4 Ignition coil 1
EMUPRO16-B
EMUPRO16
1Auxiliary 1 (WBO heater)
2Auxiliary 2 (WBO heater)
3Auxiliary 3 (WBO heater)
4Auxiliary 4 (WBO heater)
5Auxiliary 5
6Auxiliary 6
7Auxiliary 7
8+12V supply
9Digital GND (flash drive)
12+5V source A (flash drive)
13Auxiliary 8
14+12V supply
19Power GND
OEM-A-15 Fuel pump relay (USDM)
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-A-16 Fuel pump relay (JDM)
OEM-A-17 A/C clutch relay
OEM-A-20 Radiator fan relay
OEM-A-28 Air pump relay
OEM-C-1 Primary O2 heater
+12V supply
0V sensor
5V ref
OEM-C-11 Secondary O2 heater control
+12V supply
GND
EMUPRO16-C
EMUPRO16
1Auxiliary 10
2Auxiliary 11
3Auxiliary 12
10Analog 1 (MAP)
11Analog 3
12Analog 5
18Analog 2
19Analog 4
29Analog GND
30Power GND
31Precision analog 1
32Precision analog 2
33Precision analog 3
34Precision analog 4
OEM-A-1 Coolant temp gauge drive
OEM-A-12 Immobilizer indicator light
OEM-A-18 Check engine light (MIL)
OEM-C-17 MAP sensor
OEM-C-15 Secondary O2 sensor
OEM-A-30 Electrical load detector
OEM-C-26 Coolant temp sensor
OEM-C-25 Intake air temp sensor
0V sensor
GND
OEM-C-27 Throttle position sensor
OEM-A-23 Secondary O2 sensor
OEM-C-16 Primary O2 sensor
OEM-A-29 Fuel tank pressure sensor
EMUPRO16-D
EMUPRO16
13Auxiliary 13
17Analog GND
18Power GND
19Auxiliary 14
21Precision analog 5
25Auxiliary 16
26Auxiliary 15
OEM-A-2 Air control valve solenoid
0V sensor
GND
OEM-A-3 Evap bypass solenoid
OEM-C-24 Air pump electric current sensor
OEM-A-6 Evap canister purge valve
OEM-A-4 Evap canister vent shut valve
RLY1
RLY1-R
RLY1
INRelay contact input (switched +12 V)
OUTRelay contact output (switched +12 V to load)
COIL+Relay coil positive (switched +12 V)
COIL-Relay coil negative (ECU low-side driver)
SP-14V · 4 pins
OEM-B-12 VTEC solenoid
Relay coil positive (switched +12 V)
EMUPRO16-B-2 Auxiliary 2 (WBO heater)
SP-GND · 11 pins
SP-14V · 7 pins
SP-0V · 10 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.
71 / 71 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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