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
T12-C2-31 Wheel 3
GND
0V sensor
T12-C3-3 Lambda 2 Heater Negative
T12-C3-24 PWM 6
T12-C1-3 PWM 3
T12-C1-15 Injector 6
T12-C1-16 Injector 5
T12-C1-25 Injector 4
T12-C1-34 Injector 3
T12-C1-17 Injector 2
T12-C1-9 Injector 1
T12-C2-20 Wheel 2
T12-C2-17 Thermistor 3
T12-C2-29 Cam 2
T12-C2-22 Cam 1
T12-C2-12 Crank
T12-C3-10 PWM 8
T12-C3-25 PWM 7
T12-C3-23 PWM 5
T12-C3-22 PWM 4
T12-C3-30 PWM 12
5V ref
T12-C2-1 Analogue 2
T12-C2-7 Thermistor 1
T12-C2-18 Analogue 5
T12-C2-5 Analogue 3
T12-C2-6 Analogue 4
T12-C3-32 Knock 2
T12-C3-31 Knock 1
T12-C1-10 Coil 1
T12-C2-4 Digital 1
T12-C2-10 Analogue 1
T12-C2-13 Analogue 12
0V sensor
GND
T12-C3-9 Lambda 1 Heater Negative
T12-C3-13 Analogue 13
T12-C3-14 Analogue 14
GND
GND
OEM-E9
Stock ECU being replaced
3No.2 speed sensor return (SP2-)
4Power ground (E11)
7Distributor ground (G-)
8A/T lock-up solenoid (S3)
9A/T shift solenoid 2 (S2)
10A/T shift solenoid 1 (S1)
15Injector 6 (#60, rear)
16Injector 5 (#50)
17Injector 4 (#40)
18Injector 3 (#30)
19Injector 2 (#20)
20Injector 1 (#10, front)
23No.2 speed sensor (SP2+)
24A/T oil temperature (OIL)
25Cam position 2 (G2)
26Cam position 1 (G1)
27Crank position (NE)
32ISC stepper coil 4 (ISC4)
33ISC stepper coil 3 (ISC3)
34ISC stepper coil 2 (ISC2)
35ISC stepper coil 1 (ISC1)
39ACIS intake VSV
41Sensor supply +5V (VCC)
43Throttle position (VTA1)
44Coolant temperature (THW)
45Intake air temperature (THA)
47O2 sensor 2 (OX2, rear bank)
48O2 sensor 1 (OX1, front bank)
49Knock sensor 2 (KNK2, rear)
50Knock sensor 1 (KNK1, front)
57Igniter trigger (IGT)
58Igniter verification (IGF)
62Manifold pressure (PIM)
64TPS idle switch (IDL1)
65Sensor ground (E2)
69Power ground (E1)
74EVAP purge VSV
76Neutral/park switch (NSW)
77Starter signal (STA)
79Power ground (E02)
80Power ground (E01)
T12-C2-2 Wheel 1
T12-C3-18 Analogue 8
T12-C2-16 Analogue 11
T12-C3-28 PWM 10
T12-C3-29 PWM 11
T12-C2-27 Digital 6
T12-C3-19 Digital 7
T12-C2-8 Digital 2
T12-C3-20 Digital 8
T12-C3-21 Digital 9
T12-C2-19 Analogue 6
T12-C2-14 Digital 4
T12-C2-11 Digital 3
T12-C2-32 Wheel 4
T12-C3-4 PWM 9
T12-C1-5 PWM 1
T12-C1-4 PWM 2
T12-C3-17 Analogue 7
T12-C2-15 Digital 5
T12-C2-25 Thermistor 2
EFI main relay power (+B)
EFI main relay power (+B1)
Battery constant (BATT)
T12-C2-34 Analogue 9
T12-C2-3 Analogue 10
OEM-E10
Stock ECU being replaced
2No.1 speed sensor (SP1)
3A/T kickdown switch (KD)
4Stop light switch (STP)
5Cat-temp warning light (EGW)
6Check-engine light (W)
9A/T 2nd-gear indicator (2)
10A/T low-gear indicator (L)
12A/T overdrive disable 1 (OD1)
15Electrical load sense (ELS)
17Diagnostic test terminal (TT)
18A/T manual mode select (M)
19Diagnostic test 2 (TE2)
20Diagnostic test 1 (TE1)
21Fuel pump diagnostic (DI)
22Fuel pump control (FPC)
23A/C clutch relay (ACMG)
24EFI main relay control (M-REL)
25A/T manual indicator (MI)
28A/T overdrive disable 2 (OD2)
29Cat temperature sensor (CCO)
31EFI main relay power (+B)
32EFI main relay power (+B1)
33Battery constant (BATT)
34A/C request (A/C)
35Power steering switch (PS)
T12
T12-C1
T12
3PWM 3
4PWM 2
5PWM 1
9Injector 1
10Coil 1
13Power Ground 1
14Power Ground 2
15Injector 6
16Injector 5
17Injector 2
25Injector 4
31Ignition 12v In
34Injector 3
OEM-E9-10 A/T shift solenoid 1 (S1)
OEM-E10-24 EFI main relay control (M-REL)
OEM-E10-23 A/C clutch relay (ACMG)
OEM-E9-20 Injector 1 (#10, front)
OEM-E9-57 Igniter trigger (IGT)
GND
GND
OEM-E9-15 Injector 6 (#60, rear)
OEM-E9-16 Injector 5 (#50)
OEM-E9-19 Injector 2 (#20)
OEM-E9-17 Injector 4 (#40)
Ignition 12v In
OEM-E9-18 Injector 3 (#30)
T12-C2
T12
1Analogue 2
2Wheel 1
3Analogue 10
4Digital 1
5Analogue 3
6Analogue 4
7Thermistor 1
8Digital 2
10Analogue 1
11Digital 3
12Crank
13Analogue 12
14Digital 4
15Digital 5
16Analogue 11
17Thermistor 3
18Analogue 5
19Analogue 6
20Wheel 2
21Sensor Ground
22Cam 1
245v Output
25Thermistor 2
27Digital 6
29Cam 2
31Wheel 3
32Wheel 4
33Sensor Ground
34Analogue 9
OEM-E9-43 Throttle position (VTA1)
OEM-E10-2 No.1 speed sensor (SP1)
OEM-E10-35 Power steering switch (PS)
OEM-E9-58 Igniter verification (IGF)
OEM-E9-47 O2 sensor 2 (OX2, rear bank)
OEM-E9-48 O2 sensor 1 (OX1, front bank)
OEM-E9-44 Coolant temperature (THW)
OEM-E10-12 A/T overdrive disable 1 (OD1)
OEM-E9-62 Manifold pressure (PIM)
OEM-E10-20 Diagnostic test 1 (TE1)
OEM-E9-27 Crank position (NE)
OEM-E9-64 TPS idle switch (IDL1)
OEM-E10-19 Diagnostic test 2 (TE2)
OEM-E10-28 A/T overdrive disable 2 (OD2)
OEM-E10-4 Stop light switch (STP)
OEM-E9-24 A/T oil temperature (OIL)
OEM-E9-45 Intake air temperature (THA)
OEM-E10-18 A/T manual mode select (M)
OEM-E9-23 No.2 speed sensor (SP2+)
0V sensor
OEM-E9-26 Cam position 1 (G1)
5V ref
OEM-E10-29 Cat temperature sensor (CCO)
OEM-E10-9 A/T 2nd-gear indicator (2)
OEM-E9-25 Cam position 2 (G2)
OEM-E9-3 No.2 speed sensor return (SP2-)
OEM-E10-21 Fuel pump diagnostic (DI)
0V sensor
OEM-E10-34 A/C request (A/C)
T12-C3
T12
3Lambda 2 Heater Negative
4PWM 9
9Lambda 1 Heater Negative
10PWM 8
13Analogue 13
14Analogue 14
17Analogue 7
18Analogue 8
19Digital 7
20Digital 8
21Digital 9
22PWM 4
23PWM 5
24PWM 6
25PWM 7
26Permanent 12v
28PWM 10
29PWM 11
30PWM 12
31Knock 1
32Knock 2
OEM-E9-8 A/T lock-up solenoid (S3)
OEM-E10-22 Fuel pump control (FPC)
OEM-E9-74 EVAP purge VSV
OEM-E9-32 ISC stepper coil 4 (ISC4)
OEM-E9-76 Neutral/park switch (NSW)
OEM-E9-77 Starter signal (STA)
OEM-E10-25 A/T manual indicator (MI)
OEM-E10-3 A/T kickdown switch (KD)
OEM-E10-10 A/T low-gear indicator (L)
OEM-E10-15 Electrical load sense (ELS)
OEM-E10-17 Diagnostic test terminal (TT)
OEM-E9-35 ISC stepper coil 1 (ISC1)
OEM-E9-34 ISC stepper coil 2 (ISC2)
OEM-E9-9 A/T shift solenoid 2 (S2)
OEM-E9-33 ISC stepper coil 3 (ISC3)
Permanent 12v
OEM-E10-5 Cat-temp warning light (EGW)
OEM-E10-6 Check-engine light (W)
OEM-E9-39 ACIS intake VSV
OEM-E9-50 Knock sensor 1 (KNK1, front)
OEM-E9-49 Knock sensor 2 (KNK2, rear)
SP-GND · 7 pins
SP-0V · 5 pins
SP-14V · 4 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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