##    
         
  ###    
   ##    
   ##    
   ##    
  ####   
         

 _    _ 
| |  | |
| |  | |
| |/\| |
\  /\  /
 \/  \/ 
        
        

  _  __
 | |/ /
 | ' / 
 |  <  
 | . \ 
 |_|\_\
       
       

 _______ 
(_____  )
     /'/'
   /'/'  
 /'/'___ 
(_______)
         
         

______ 
| ___ \
| |_/ /
| ___ \
| |_/ /
\____/ 
       
       

IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now.


Visit Preferences to set your user name
Summary of change:
Fiat Coupe 2,0 20V Turbo 5cyl engine Firing order: 1-2-4-5-3 Configuration: Mechanical throttle body Manual Boost controller ON/OFF variable intake cam angle Individual IGN coils Bosch 0 221 504 006 (passive coils) Siemens DEKA 630ccm injectors (high imp.) http://www.vems.hu/files/LanciaSlovakia/Coupe/cievka.jpg Inputs: -Trigger1 (VR type) (EC36/pin 27 & GND 26) -Trigger2 (Hall) (EC36/pin 13 & GND 26 & pin 28 for +5V supply) -WBO2 LSU4.9 (used wiring diagram for 4.9 sensors) -MAP 400kPa (in ECU) -TPS (EC36 pin1 & GND26 & pin 29 for +5V supply) -CLT IN (EC36 pin14 & GND26) -IAT IN (EC36 pin2 & GND26) OTHER INPUTS: -Table switching - switch to GND (Analog ch.7 EC18/pin12) -Launch control switch - switch to GND (analog ch.5 EC18/pin 2) -Wheel speed input from gearbox (EC18/pin 8) Outputs: IGNITION: Cyl 1 EC36/pin 34 Cyl 2 EC36/pin 36 Cyl 3 EC36/pin 33 Cyl 4 EC36/pin 24 Cyl 5 EC36/pin 35 INJECTORS: Cyl 1 EC36/pin 7 Cyl 2 EC36/pin 19 Cyl 3 EC36/pin 9 Cyl 4 EC36/pin 8 Cyl 5 EC36/pin 20 Other outputs: -ON/OFF Variable Valve timing solenoid (INJ output EC36/pin 18) -Double-coil IAC valve (INJ output EC36/pin 6 & 17) -Fan2 relay (IGN output EC36/pin 11) -Fan1 relay (IGN output EC36/pin 12) For this time NOT IN USE! -Engine check light - bulb 1,2W (P259 ch.4 EC36/pin 3) -Tacho output RPM (Stepper-C EC18/pin 5) Wiring diagram (please see if there could be any problems): http://www.vems.hu/files/LanciaSlovakia/Coupe/Wiring%20diagram%20Coupe%2020VT.jpg ISSUES: After tuning engine runs perfectly (starts/idle/power) approx. for 1 month. One day morning i was start vehicle for 2-3 minutes and stop it normally. In this point everything works fine. After 1 hour i start the engine again, but this time i had a problem with misfiring on 4th and 5th cylinder (i saw misfiring on individual power gauge in VemsTune). Also when engine accelerate there was misfiring. I try to change spark plugs and also ignition coils, but engine still misfire on the same cylinders (4&5). When i start engine last time, after 2-3 minutes of misfiring, engine stops and it was not possible to start it again. In this point i could connect to the ECU without problems. After few minutes VemsTune show up message about Boot sequence with two buttons: Stay or Leave. First, i choose stay, but in few seconds ECU show up message again. So i click on Leave. ECU starts to knocking with relays and disconnect from VemsTune. After this, it was unable to connect back to the ECU. VemsTune can not find ECU even when i scan all COM ports. After installation of another 8xIGBT ECU (and loading config from old ECU), vehicle runs normal and engine works perfect like before. And customer go home (approx. 300km from my garage). Today i Boot ECU (connecting DSUB9 pin 2 to pin3) and load new firmware. Now ECU is '''alive and communicate with VemsTune'''. But i would like to send it to factory for testing of all outputs and CPU and Eproms, etc.... * add to [http://shop.vems.hu/catalog/repair-upgrade-p-103.html order comment]: "free retest and reset-line scoping granted 2017-10-03" ECU seems to operate perfectly on bench (passed testing, all inputs, outputs, ...). Apparently install is made with sufficient care (eg. this page is better than average install docs, showing the good effort and approach) * to honor this ** (and cover the rare case of insidious hidden problem, either caused by damage or been there originally; very rare, but cannot be completely ruled out) ** '''new ECU is made with same specs''' (or perhaps with small changes if specified fast enough ?) * '''both sent back'''. If the setup is verified carefully (not just by plugging in another ECU: an out-of specs setup, eg. with insufficient grounding can work apparently OK with one ECU for some time, but not with another), and still having problem with the old, than, and '''only than plug in the new to proceed''' without any further delay.
Optional: Add document to category:
Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.