anyone?

i really wanna be able to drive this car on sunday.

let me know your opinions. and i need that ECU pinout.

thanks

Striaght from www.vfaq.com



1G ECU Pinouts, Horizontal Layout

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

are the oxygen sensors used in our DSM's anyting special, or is it just a standard narrow band 4wire o2?

If i could just wire in that 4wire honda sensor that would be my cheapest option.

let me know if anyone has ever done this.

also are all of the o2 sensors the same from model to model? Meaning is the regular talon n/a the same o2 as the TSI, same with the eclipse and lazer? could someone let me know if they are all the same. (trying to buy one on ebay for half the cost of a new one.)

also if i run my wideband o2, will i have to leave the stock 02 in so i don;t break the heater circit? or doesn;t it matter. in a honda if you pull the o2 plug, you get a cel, and you run in limp mode. didn;t know if DSM's were the same.

anyone know if i leave the stock o2 unpluged if i will get a check engine code?

Snail Tuning said:

anyone know if i leave the stock o2 unpluged if i will get a check engine code?

Click to expand...

it will throw a Cel with the any o2 unpluged.. as for the honda o2, not sure

so when you guys street tune, do you just use the stock o2 sensor readings?

or do you throw in a wideband and use that?

on a honda, i pull the stock o2, unplug it, use my tuning software to disable the o2 heater, then i make some runs, and datalog the a/f ratio.
(the wideband has a narrow band output that sends a sends a signal to the ECU)

in my 90 TSI i was going to unhook the stock o2, and replace it with the wideband, tap the ECU and send the narrow band signal from the wideband, but what do i do about the stock heater circit? how do i keep it from throwing a code?

should i leave my junk o2 hooked up, and just zip tie it out of the road?

or is there someway to disable the o2 heater circit, and not throw a cel?

is the stock o2 sensor a narrow band out put or wideband output?

also has anyone used a wideband Ziertronix wideband? (zt-2)

Snail Tuning said:

is the stock o2 sensor a narrow band out put or wideband output?

also has anyone used a wideband Ziertronix wideband? (zt-2)

Click to expand...

?????

STOP BUMPING

No bumping allowed, people respond when they get time. Now noone can.