MembersPage/PeterJensenPorsche (2010-11-12 08:51:44)

Need a little help to set this car up.

Car Porsche 944 2.5 N/A 1984, 4 cyl

Firing order = 1342

using only 1 coil + distributer

Trigger

Assuming 130 crank tooth and one crank ref tooth (Auditrigger) see trigger log

No camhall masking is used. Since there is no cam-HALL inverter in the box, EC36/13 camHALL input can be left unconnected (>3V).


divby5 allowed in 1.1.85: divby2 setting now means divbyANY mode

See 1.1.85 in GenBoard/UnderDevelopment/FirmwareChanges (a testing 1.1.85 into cell.dyndns.ws/f/ )

Benchtest is needed. The 135 tooth worked up to 11k in earlier tests with same trick (a higher divider).


Symptoms

The car starts and run but it will not fire injector group 1 and 2 (group 0 and 4 is ok) so we used 0 and 4(see config)

You mean 0 and 3 injector groups are fired ??

Trigger problems first show up as trigger errors, than ignition missing, than injection missing. Ignition OK but injection missing is weird, usually colliding outputs or similar (use Validate !).

All outputs tested ok and injectors also firing when ignition go high (primepulse).

Possibly just a error is settings but I canĀ“t simulate this type of trigger so need help.

Config: http://www.vems.hu/files/MembersPage/PeterJensen/porsche_944/porsche.vemscfg

Trigger log: http://www.vems.hu/files/MembersPage/PeterJensen/porsche_944/v3.3_n003352-2010-11-10-14.52.53_trigger_log.zip

We start reviewing now, and we can give it a full benchtest on Tuesday. We could have done this week had this page existed when we were asking at the time of processing the order. (we spent a lot of time with this at the time of the order, mostly wasted because this page didn't exist than. Jorgen gave a lot of help, at least we could find out what HW is suitable: ECU was equipped with auditrigger but withOUT cam-HALL inverter).