100%
Stock ECU being replaced
ELITE2500-A-34 Stepper 1 P4 / DPO
ELITE2500-A-29 INJ 7
ELITE2500-A-30 INJ 8
ELITE2500-B-25 DBW 1 / DPO
5 no data
ELITE2500-B-26 DBW 2 / DPO
7–8 no data
ELITE2500-B-9 SPI 2
11 no data
ELITE2500-A-27 INJ 5
14 no data
ELITE2500-A-25 DPO 6 (ECR OUT)
ELITE2500-A-24 DPO 5 (fuel pump trigger)
ELITE2500-A-18 DPO 1
ELITE2500-A-28 INJ 6
ELITE2500-A-1 DPO 2
22 no data
ELITE2500-A-17 AVI 3
ELITE2500-B-7 SPI 4
ELITE2500-A-23 DPO 3
ELITE2500-B-12 AVI 6 (O2 Input 1)
ELITE2500-A-15 AVI 9 (MAP)
31 no data
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
28Air pump relay
29Fuel tank pressure sensor
30Electrical load detector
31 no data
Power source 1 (main relay)
GND
ELITE2500-A-20 INJ 2
ELITE2500-A-21 INJ 3
ELITE2500-A-22 INJ 4
6–8 no data
Power source 2 (main relay)
GND
ELITE2500-A-19 INJ 1
ELITE2500-A-31 Stepper 1 P1 / DPO
13–19 no data
GND
GND
ELITE2500-A-33 Stepper 1 P3 / DPO
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
ELITE2500-B-19 DPO 4
ELITE2500-A-3 IGN 1
ELITE2500-B-10 SPI 3
6 no data
0V sensor
ELITE2500-B-1 Crank (Trigger) (+)
ELITE2500-B-5 Crank (Trigger) (−)
ELITE2500-A-32 Stepper 1 P2 / DPO
ELITE2500-A-4 IGN 2
ELITE2500-A-5 IGN 3
ELITE2500-A-6 IGN 4
ELITE2500-A-2 AVI 4
ELITE2500-B-20 AVI 5
ELITE2500-B-13 AVI 1 (O2 Input 2)
0V sensor
5V ref
ELITE2500-B-2 Cam (Home) (+)
ELITE2500-B-6 Cam (Home) (−)
23 no data
ELITE2500-A-14 AVI 10 (TPS)
ELITE2500-B-3 AVI 7 (Air Temp)
ELITE2500-B-4 AVI 8 (Coolant Temp)
ELITE2500-A-16 AVI 2
ELITE2500-B-8 SPI 1
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
1Primary O2 heater
4Ignition coil 1
5Alternator FR signal
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
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)
20Cam (TDC1) sensor +
21Cam (TDC1) sensor −
23 no data
24Air pump electric current sensor
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
29Cam (TDC2) sensor +
30Cam (TDC2) sensor −
31Timing ground
1–16 no data
OEM-D
Stock ECU being replaced
1–16 no data
ELITE2500
ELITE2500-A
ELITE2500
1DPO 2
2AVI 4
3IGN 1
4IGN 2
5IGN 3
6IGN 4
9+5V DC
10Battery ground
11Battery ground
14AVI 10 (TPS)
15AVI 9 (MAP)
16AVI 2
17AVI 3
18DPO 1
19INJ 1
20INJ 2
21INJ 3
22INJ 4
23DPO 3
24DPO 5 (fuel pump trigger)
25DPO 6 (ECR OUT)
26ECU injector power input
27INJ 5
28INJ 6
29INJ 7
30INJ 8
31Stepper 1 P1 / DPO
32Stepper 1 P2 / DPO
33Stepper 1 P3 / DPO
34Stepper 1 P4 / DPO
OEM-A-20 Radiator fan relay
OEM-C-15 Secondary O2 sensor
OEM-C-4 Ignition coil 1
OEM-C-12 Ignition coil 2
OEM-C-13 Ignition coil 3
OEM-C-14 Ignition coil 4
5V ref
GND
GND
OEM-C-24 Air pump electric current sensor
OEM-A-30 Electrical load detector
OEM-C-27 Throttle position sensor
OEM-A-23 Secondary O2 sensor
OEM-A-17 A/C clutch relay
OEM-B-11 Injector 1
OEM-B-3 Injector 2
OEM-B-4 Injector 3
OEM-B-5 Injector 4
OEM-A-28 Air pump relay
OEM-A-16 Fuel pump relay (JDM)
OEM-A-15 Fuel pump relay (USDM)
ECU injector power input
OEM-A-12 Immobilizer indicator light
OEM-A-18 Check engine light (MIL)
OEM-A-2 Air control valve solenoid
OEM-A-3 Evap bypass solenoid
OEM-B-12 VTEC solenoid
OEM-C-11 Secondary O2 heater control
OEM-B-23 Idle air control valve
OEM-A-1 Coolant temp gauge drive
ELITE2500-B
ELITE2500
1Crank (Trigger) (+)
2Cam (Home) (+)
3AVI 7 (Air Temp)
4AVI 8 (Coolant Temp)
5Crank (Trigger) (−)
6Cam (Home) (−)
7SPI 4
8SPI 1
9SPI 2
10SPI 3
11+13.8V ECU supply
12AVI 6 (O2 Input 1)
13AVI 1 (O2 Input 2)
14Signal ground
15Signal ground
16Signal ground
19DPO 4
20AVI 5
25DBW 1 / DPO
26DBW 2 / DPO
OEM-C-8 Crank sensor + (CKP+)
OEM-C-20 Cam (TDC1) sensor +
OEM-C-25 Intake air temp sensor
OEM-C-26 Coolant temp sensor
OEM-C-9 Crank sensor − (CKP−)
OEM-C-21 Cam (TDC1) sensor −
OEM-A-24 Starter switch signal
OEM-C-29 Cam (TDC2) sensor +
OEM-A-9 Vehicle speed sensor
OEM-C-5 Alternator FR signal
+13.8V ECU supply
OEM-A-29 Fuel tank pressure sensor
OEM-C-17 MAP sensor
0V sensor
0V sensor
0V sensor
OEM-C-1 Primary O2 heater
OEM-C-16 Primary O2 sensor
OEM-A-4 Evap canister vent shut valve
OEM-A-6 Evap canister purge valve
SP-GND · 7 pins
SP-14V · 5 pins
SP-0V · 8 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.