Does BIP373 need Pullup to run a Bosch Coil?

[efims]

Does the BIP373 need a pullup to power a Bosch Coil?

http://www.german-spob.de/start.php?nam ... el_id=5867


http://global.rakuten.com/en/store/emuz ... -150-0480/

Thanks

[jsmcortina]

Do you have any wiring diagrams that show the OEM install of that coil? I'm not familiar with it.

James

[efims]

I do not have the original wiring...however, I know that it is controlled directly from the Original ECU.

By the way, what could be the negative side effect to have a Pull-up on a BIP373(to be used as a coil ignitor)?

Thanks

[jsmcortina]

By the way, what could be the negative side effect to have a Pull-up on a BIP373(to be used as a coil ignitor)?

Thanks

If the coil is a high-current type, you will make the spark weaker.

You really need to find the coil pinout (and pin names) before you try to wire it up.

James

[efims]

You really need to find the coil pinout (and pin names) before you try to wire it up.

How can I do this??

There is nothing written on the coil pins(terminals)

High Current Coil...how can I identify this?

I measured the resistance of the coil

7.5K ohm secondary coil

0.6 Ohm Primary coil

[dontz125]

Well - you've identified the pins. The 0.6 Ohm pins are the primary side; one pin receives switched & fused +12v from the fuel pump relay, the other is grounded through the BIP373. The other pins are your secondaries, going to the spark plugs.

[efims]

Thanks..

But still not sure if I need a Pullup Resistor for the BIP373

[dontz125]

For high current coils, you do NOT use a pull-up resistor. The only time you use a pull-up is with a logic coil, and then the resistor is between the BIP and the coil's trigger pin.

[efims]

"then the resistor is between the BIP and the coil's trigger pin"...this is the 330R from MS CPU chip to BIP373?