1g Ecu Pinouts

John@ProStreet · 09-21-2007, 01:53 PM

For those that dont have it...

Pin Connection Pin Connection
101 Ground
106 Ground
102 Power supply
107 Power supply (to MPI Control Relay and ??)
103 Battery backup power supply (constant 12V)
108 Ignition switch - ST
104 Neutral safety switch (AT only, grounded in MTs)
109 Ignition pulse detect (tach)
105 Wastegate solenoid valve
110 Ignition switch - 1G

Pin Connection Pin Connection
51 No. 1 Injector
60 No. 3 Injector
52 No. 2 Injector
61 No. 4 Injector
53 EGR Control Solenoid Valve (90-93 CA only, 94 all)
62 Purge control solenoid valve
54 Power transistor for #1 and #4 coils
63 MPI Control relay
55 Power transistor for #2 and #3 coils
64 Check engine light
56 MPI Control relay
65 Air conditioner relay
57 Fuel pressure control valve
66 MPI Control relay
58 Coil "A1" for idle speed control motor
67 Coil "B1" for idle speed control motor
59 Coil "A2" for idle speed control motor
68 Coil "B2" for idle speed control motor

Pin Connection Pin Connection
1 Self-Diagnosis Output
13 Control relay (Fuel pump drive signal)
2 Diagnosis/Data transfer select terminal
14 Air flow sensor active filter reset (idle switch)
(switch with 6 if using a 91-94 ECU in a 90 or vvs)
Stock wire color - Green
3 Turbo gauge
15 EGR temperature sensor (90-93 CA only, 94 all)
4 Oxygen Sensor
16 Barometric pressure sensor (MAF)
5 Power steering oil pressure switch
17 Sensors ground
6 Idle position switch
(switch with
14 if using a 91-94 ECU in a 90 or vvs)
Stock wire color - Green/White
18 Vehicle speed sensor (reed switch)
7 Air conditioner switch
19 Throttle position sensor
8 Intake air temperature sensor (MAF)
20 Coolant temperature sensor
9 Detonation sensor
21 Crank angle sensor (RPM)
10 Air flow Sensor (MAF)
22 Top dead center sensor
11 ABS control unit (AWD, ABS only)
23 Power supply for MAF sensors (5volts)
12 Ignition timing adjustment connector
24 Sensors ground

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Pro Street Motorsports	My Pro Street Community
Pro Street Online Store Pro Street Motorsports Shop OEM Replacement Parts Check your order status Contact us (Hayward, CA)	Register for our free community! Member Photo Gallery Do It Yourself & Tech Tips Product Reviews Newest Rides to Pro Street

09-21-2007, 01:53 PM	#1
John@ProStreet Super Moderator 2008 Corvette Z06 My Page \| My Pics \| My Ads Join Date: Oct 2006 Location: FIT Posts: 611	1g Ecu Pinouts For those that dont have it... Pin Connection Pin Connection 101 Ground 106 Ground 102 Power supply 107 Power supply (to MPI Control Relay and ??) 103 Battery backup power supply (constant 12V) 108 Ignition switch - ST 104 Neutral safety switch (AT only, grounded in MTs) 109 Ignition pulse detect (tach) 105 Wastegate solenoid valve 110 Ignition switch - 1G Pin Connection Pin Connection 51 No. 1 Injector 60 No. 3 Injector 52 No. 2 Injector 61 No. 4 Injector 53 EGR Control Solenoid Valve (90-93 CA only, 94 all) 62 Purge control solenoid valve 54 Power transistor for #1 and #4 coils 63 MPI Control relay 55 Power transistor for #2 and #3 coils 64 Check engine light 56 MPI Control relay 65 Air conditioner relay 57 Fuel pressure control valve 66 MPI Control relay 58 Coil "A1" for idle speed control motor 67 Coil "B1" for idle speed control motor 59 Coil "A2" for idle speed control motor 68 Coil "B2" for idle speed control motor Pin Connection Pin Connection 1 Self-Diagnosis Output 13 Control relay (Fuel pump drive signal) 2 Diagnosis/Data transfer select terminal 14 Air flow sensor active filter reset (idle switch) (switch with 6 if using a 91-94 ECU in a 90 or vvs) Stock wire color - Green 3 Turbo gauge 15 EGR temperature sensor (90-93 CA only, 94 all) 4 Oxygen Sensor 16 Barometric pressure sensor (MAF) 5 Power steering oil pressure switch 17 Sensors ground 6 Idle position switch (switch with 14 if using a 91-94 ECU in a 90 or vvs) Stock wire color - Green/White 18 Vehicle speed sensor (reed switch) 7 Air conditioner switch 19 Throttle position sensor 8 Intake air temperature sensor (MAF) 20 Coolant temperature sensor 9 Detonation sensor 21 Crank angle sensor (RPM) 10 Air flow Sensor (MAF) 22 Top dead center sensor 11 ABS control unit (AWD, ABS only) 23 Power supply for MAF sensors (5volts) 12 Ignition timing adjustment connector 24 Sensors ground __________________ Pro Street Motorsports www.prostreetonline.com Ultimate Street Car??? Pro Street Motorsports 2007 Synthetic Oil Shootout Ride of the Month!! WIN 100 DOLLARS!!