100%
Stock ECU being replaced
ELITE2500-B-21 KNOCK 1
Ignition power 2 (IGP2)
Ignition power 1 (IGP1)
GND
GND
ELITE2500-B-8 SPI 1
ELITE2500-B-1 Crank (Trigger) (+)
GND
GND
ELITE2500-A-31 Stepper 1 P1 / DPO
ELITE2500-A-32 Stepper 1 P2 / DPO
ELITE2500-A-6 IGN 4
ELITE2500-A-5 IGN 3
ELITE2500-A-4 IGN 2
ELITE2500-A-3 IGN 1
ELITE2500-B-9 SPI 2
ELITE2500-B-2 Cam (Home) (+)
5V ref
0V sensor
0V sensor
ELITE2500-A-16 AVI 2
ELITE2500-B-13 AVI 1 (O2 Input 2)
OEM-A
Stock ECU being replaced
1Knock sensor (KS)
2Ignition power 2 (IGP2)
3Ignition power 1 (IGP1)
4Power ground 2 (PG2)
5Power ground 1 (PG1)
6Camshaft position B (CMP B)
7Crank position sensor (CKP)
8Logic ground 2 (LG2)
9Logic ground 1 (LG1)
10A/F sensor heater control (AFSHTC)
12Idle air control valve (IACV)
13Ignition coil 4 (IGPLS4)
14Ignition coil 3 (IGPLS3)
15Ignition coil 2 (IGPLS2)
16Ignition coil 1 (IGPLS1)
18Neutral position switch (NC)
19Camshaft position A (CMP A)
20Sensor 5V supply 2 (VCC2)
23Sensor ground 2 (SG2)
24Sensor ground 1 (SG1)
29Throttle position sensor (TPS)
30Manifold absolute pressure (MAP)
ELITE2500-A-34 Stepper 1 P4 / DPO
ELITE2500-A-22 INJ 4
ELITE2500-A-21 INJ 3
ELITE2500-A-20 INJ 2
ELITE2500-A-19 INJ 1
ELITE2500-A-33 Stepper 1 P3 / DPO
ELITE2500-B-4 AVI 8 (Coolant Temp)
ELITE2500-B-10 SPI 3
ELITE2500-B-7 SPI 4
ELITE2500-A-2 AVI 4
ELITE2500-B-3 AVI 7 (Air Temp)
ELITE2500-A-27 INJ 5
ELITE2500-A-28 INJ 6
OEM-B
Stock ECU being replaced
1VTC oil control solenoid (+)
2Injector 4 (INJ4)
3Injector 3 (INJ3)
4Injector 2 (INJ2)
5Injector 1 (INJ1)
6VTEC solenoid (VTS)
8Coolant temp sensor (ECT)
10Alternator L signal (ALTL)
11VTEC oil pressure switch (VTPSW)
13Alternator FR signal (ALTF)
17Intake air temp sensor (IAT)
18Alternator control (ALTC)
21Evap canister purge valve (PCS)
ELITE2500-A-30 INJ 8
GND
0V sensor
ELITE2500-A-25 DPO 6 (ECR OUT)
ELITE2500-A-23 DPO 3
ELITE2500-A-13 12V ignition input
ELITE2500-A-18 DPO 1
ELITE2500-B-20 AVI 5
ELITE2500-B-12 AVI 6 (O2 Input 1)
ELITE2500-A-15 AVI 9 (MAP)
ELITE2500-A-24 DPO 5 (fuel pump trigger)
ELITE2500-A-1 DPO 2
ELITE2500-A-29 INJ 7
ELITE2500-A-17 AVI 3
ELITE2500-B-19 DPO 4
ELITE2500-A-14 AVI 10 (TPS)
ELITE2500-B-25 DBW 1 / DPO
OEM-E
Stock ECU being replaced
3Reverse lockout solenoid (RVS, Type-S)
4Logic ground 3 (LG3)
5Sensor ground 3 (SG3)
8Main relay control (MRLY)
9A/F sensor heater relay control (AFSHTCR)
10Ignition switch signal (IG1)
12Radiator fan control (FANC)
14Fuel tank pressure sensor (FTP)
15Electrical load detector (ELD)
16Power steering pressure switch (PSPSW)
17Immobilizer fuel pump relay (IMO FPR)
18A/C clutch relay (ACC)
19Evap vent shut valve (VSV)
20Secondary heated O2 sensor (SHO2S)
21Secondary O2 heater control (SO2SHTC)
22Brake switch (BKSW)
31Malfunction indicator lamp (MIL)
ELITE2500
ELITE2500-A
ELITE2500
1DPO 2
2AVI 4
3IGN 1
4IGN 2
5IGN 3
6IGN 4
9+5V DC
10Battery ground
11Battery ground
1312V ignition input
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-E-18 A/C clutch relay (ACC)
OEM-B-13 Alternator FR signal (ALTF)
OEM-A-16 Ignition coil 1 (IGPLS1)
OEM-A-15 Ignition coil 2 (IGPLS2)
OEM-A-14 Ignition coil 3 (IGPLS3)
OEM-A-13 Ignition coil 4 (IGPLS4)
5V ref
GND
GND
OEM-E-10 Ignition switch signal (IG1)
OEM-E-22 Brake switch (BKSW)
OEM-E-16 Power steering pressure switch (PSPSW)
OEM-A-29 Throttle position sensor (TPS)
OEM-E-20 Secondary heated O2 sensor (SHO2S)
OEM-E-12 Radiator fan control (FANC)
OEM-B-5 Injector 1 (INJ1)
OEM-B-4 Injector 2 (INJ2)
OEM-B-3 Injector 3 (INJ3)
OEM-B-2 Injector 4 (INJ4)
OEM-E-9 A/F sensor heater relay control (AFSHTCR)
OEM-E-17 Immobilizer fuel pump relay (IMO FPR)
OEM-E-8 Main relay control (MRLY)
ECU injector power input
OEM-B-18 Alternator control (ALTC)
OEM-B-21 Evap canister purge valve (PCS)
OEM-E-19 Evap vent shut valve (VSV)
OEM-E-3 Reverse lockout solenoid (RVS, Type-S)
OEM-A-10 A/F sensor heater control (AFSHTC)
OEM-A-12 Idle air control valve (IACV)
OEM-B-6 VTEC solenoid (VTS)
OEM-B-1 VTC oil control solenoid (+)
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
21KNOCK 1
25DBW 1 / DPO
OEM-A-7 Crank position sensor (CKP)
OEM-A-19 Camshaft position A (CMP A)
OEM-B-17 Intake air temp sensor (IAT)
OEM-B-8 Coolant temp sensor (ECT)
SP-0V · 3 pins
SP-0V · 3 pins
OEM-B-11 VTEC oil pressure switch (VTPSW)
OEM-A-6 Camshaft position B (CMP B)
OEM-A-18 Neutral position switch (NC)
OEM-B-10 Alternator L signal (ALTL)
+13.8V ECU supply
OEM-E-15 Electrical load detector (ELD)
OEM-A-30 Manifold absolute pressure (MAP)
0V sensor
0V sensor
0V sensor
OEM-E-21 Secondary O2 heater control (SO2SHTC)
OEM-E-14 Fuel tank pressure sensor (FTP)
OEM-A-1 Knock sensor (KS)
OEM-E-31 Malfunction indicator lamp (MIL)
SP-GND · 8 pins
SP-14V · 5 pins
SP-0V · 9 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.