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
ELITE1500-A-13 12V ignition input
ELITE1500-B-13 AVI 1 (O2 Input 2)
ELITE1500-B-4 AVI 8 (Coolant Temp)
ELITE1500-A-17 AVI 3
ELITE1500-B-12 AVI 6 (O2 Input 1)
ELITE1500-A-15 AVI 9 (MAP)
5V ref
EFI main relay (B+)
EFI main relay (B1+)
ELITE1500-B-3 AVI 7 (Air Temp)
ELITE1500-A-16 AVI 2
0V sensor
ELITE1500-B-7 SPI 4
ELITE1500-A-14 AVI 10 (TPS)
GND
OEM-A
Stock ECU being replaced
1Ignition switch (IGSW)
4Throttle position (VTA1)
5Coolant temperature (THW)
6O2 left front (OXL1)
7EGR temperature sensor
9Diagnostic test 1 (TE1)
11Sensor supply +5V (VC)
12EFI main relay (B+)
13EFI main relay (B1+)
16Intake air temperature (THA)
17O2 right front (OXR1)
18Sensor ground (E2)
19Vehicle speed (SPD)
20Diagnostic test 2 (TE2)
22Power ground (E1)
ELITE1500-A-25 DPO 6 (ECR out)
ELITE1500-A-24 DPO 5 (fuel pump trigger)
ELITE1500-A-18 DPO 1
ELITE1500-A-2 AVI 4
ELITE1500-B-20 AVI 5
OEM-B
Stock ECU being replaced
4EFI main relay control (MREL)
6Fuel pump relay (FPR)
7A/C clutch relay (ACMG)
11O2 right rear (OXR2)
24O2 left rear (OXL2)
ELITE1500-B-9 SPI 2
ELITE1500-B-21 KNOCK 1
ELITE1500-A-3 IGN 1
ELITE1500-B-8 SPI 1
ELITE1500-B-2 Cam (Home) (+)
ELITE1500-B-1 Crank (Trigger) (+)
ELITE1500-B-10 SPI 3
ELITE1500-A-4 IGN 2
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
2Igniter 1 feedback (IGF1)
3Knock sensor 1 (KNK1)
5Ignition 1 (IGT1)
6Cam sensor 2 + (G2+)
7Cam sensor 1 + (G1+)
8Crank sensor + (NE+)
10Igniter 2 feedback (IGF2)
13Ignition 2 (IGT2)
15Cam sensor ground (G-)
16Crank sensor - (NE-)
ELITE1500-A-34 Stepper 1 P4 / DPO
ELITE1500-A-33 Stepper 1 P3 / DPO
ELITE1500-A-32 Stepper 1 P2 / DPO
ELITE1500-A-31 Stepper 1 P1 / DPO
ELITE1500-A-20 INJ 2
ELITE1500-A-19 INJ 1
GND
ELITE1500-B-19 DPO 4
ELITE1500-A-1 DPO 2
ELITE1500-A-23 DPO 3
ELITE1500-A-21 INJ 3
ELITE1500-A-22 INJ 4
GND
OEM-D
Stock ECU being replaced
5ISC stepper coil 4 (ISC4)
6ISC stepper coil 3 (ISC3)
7ISC stepper coil 2 (ISC2)
8ISC stepper coil 1 (ISC1)
11Injector 2&8 (#20)
12Injector 1&7 (#10)
13Power ground (E01)
17Cold start injector 1 (STJ1)
19O2 heater 2 (HT2)
20O2 heater 1 (HT1)
24Injector 3&5 (#40)
25Injector 4&6 (#30)
26Power ground (E02)
ELITE1500
ELITE1500-A
ELITE1500
1DPO 2
2AVI 4
3IGN 1
4IGN 2
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
31Stepper 1 P1 / DPO
32Stepper 1 P2 / DPO
33Stepper 1 P3 / DPO
34Stepper 1 P4 / DPO
OEM-D-19 O2 heater 2 (HT2)
OEM-B-11 O2 right rear (OXR2)
OEM-C-5 Ignition 1 (IGT1)
OEM-C-13 Ignition 2 (IGT2)
5V ref
GND
GND
OEM-A-1 Ignition switch (IGSW)
OEM-A-20 Diagnostic test 2 (TE2)
OEM-A-9 Diagnostic test 1 (TE1)
OEM-A-17 O2 right front (OXR1)
OEM-A-6 O2 left front (OXL1)
OEM-B-7 A/C clutch relay (ACMG)
OEM-D-12 Injector 1&7 (#10)
OEM-D-11 Injector 2&8 (#20)
OEM-D-24 Injector 3&5 (#40)
OEM-D-25 Injector 4&6 (#30)
OEM-D-20 O2 heater 1 (HT1)
OEM-B-6 Fuel pump relay (FPR)
OEM-B-4 EFI main relay control (MREL)
ECU injector power input
OEM-D-8 ISC stepper coil 1 (ISC1)
OEM-D-7 ISC stepper coil 2 (ISC2)
OEM-D-6 ISC stepper coil 3 (ISC3)
OEM-D-5 ISC stepper coil 4 (ISC4)
ELITE1500-B
ELITE1500
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
OEM-C-8 Crank sensor + (NE+)
OEM-C-7 Cam sensor 1 + (G1+)
OEM-A-16 Intake air temperature (THA)
OEM-A-5 Coolant temperature (THW)
SP-0V · 3 pins
SP-0V · 3 pins
OEM-A-19 Vehicle speed (SPD)
OEM-C-6 Cam sensor 2 + (G2+)
OEM-C-2 Igniter 1 feedback (IGF1)
OEM-C-10 Igniter 2 feedback (IGF2)
+13.8V ECU supply
OEM-A-7 EGR temperature sensor
OEM-A-4 Throttle position (VTA1)
0V sensor
0V sensor
0V sensor
OEM-D-17 Cold start injector 1 (STJ1)
OEM-B-24 O2 left rear (OXL2)
OEM-C-3 Knock sensor 1 (KNK1)
SP-14V · 5 pins
SP-GND · 6 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.
52 / 52 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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