RE: URQ sorting out

["Lawson, Dave" <dlawson@ball.com>]

Dennis,

>What I haven't been able to find is the shcematic for the terminals on the 
>ECU connector. If I had that I could could check for all inputs, and sender

>continuity.

>From SJM's helpful site...

ECU Pin Out MAC-02
Main ECU connector pin out, 25 pins.

    With the ECU removed from the car, and looking at release tang next to
the pressure sensor port connection, Pin 1
    is first pin on the bottom far left, Pins 2-13 follow on to the right,
Pin 14 is first pin on the left, upper row, Pins
    15-25 follow on the top row to the right.

    1. Ground
    2. Ignition Module Ground return
    3. No connection
    4. Hall Sender ground return
    5. O2 Sensor shield
    6. O2 signal wire
    7. No connection
    8. CIS Freq................ Valve
    9. Ground
    10. Coolant Sensor
    11. RPM Sensor signal
    12. TDC Sensor signal
    13. TDC Sensor signal
    14. Terminal 15 Ignition +12V
    15. Idle Switch
    16. Fuel Pump Relay control
    17. Ignition Control Unit signal
    18. Intake air temp sensor 
    19. Intake air temp sensor 
    20. Hall Sender + 12V
    21. Full Throttle switch
    22. Hall Sender timing signal
    23. RPM sensor shield ground
    24. RPM Sensor signal
    25. TDC Sensor Shield ground

>Would a temp sender that only goes to around 1200 ohms cold, and 125 hot 
>cause any problems? I know that isn't my current issue, but is that OK?

I can't remember off-hand, maybe someone else knows.

HTH
-
Dave Lawson