67 replies to this topic

[Egor]

Hi boys and girls

 

Was wondering if anyone had same problem .

Had a faulty ecu , then bought other second hand ecu kit from Elize on this forum , they are confirmed that their product  100% in working order , so it was fitted .

Car vx220turbo , it starts and run for a few seconds on high idle , then stalls , throttle pedal does not respond , electric fans constantly on .

Ecu recording faults , but components that it has picked up aren't faulty , also can activate them through diagnostic tool .

Ecu has been taken off the car and sent to ECUEXPRESS  for a test , I post the report later on .

 

I would really appreciate if someone point me in the right direction please  .

Thank you in advance

Igor

 

[siztenboots]

how was the original ecu proven faulty?

[Egor]

Here report from ECUEXPRESS TEST CARRIED OUT ON VX220 ECU MULTIPLE FAULTS PRESENT WHICH WONT CLEAR, BOARD FOUND TO HAVE NO DAMAGE AND SOFTWARE APPEARS OK SO WE SUSPECT THAT IT HAS AN INTERNAL EEPROM ERROR AND WE RECOMMEND THE UNIT IS REPLACED.

[Egor]

how was the original ecu proven faulty?

 

Hi It was not proven really .

Car with ignition on , has no fuel pump priming , no throttle body buzzing sound , so I assumed it has gone .

The other thing was , I could not enter it with diagnostic tool .

thanks

[siztenboots]

try pull fuse 8 , leave it out for about 30 mins, before replace and try restart

[Egor]

try pull fuse 8 , leave it out for about 30 mins, before replace and try restart

 

Where is fuse 8 ?

Pull fuse out , leave it for 30 min and put back in and start , is that right ?

[siztenboots]

above front left wheel

 

[Egor]

I will do that in 2 hours , then let you know

Thanks

[siztenboots]

what that will do for you , is clear the check engine light , all learnt hard fault codes , clear learnt idle setting , learnt fuel trims

 

it will not clear key codes , chassis vin , or the map

 

[Egor]

Right , I just pull the fuse out . FIngres crossed )))

[Egor]

Question ! If I changed Ecu , key chip , transponder there no need to programming them , right ?

[Egor]

Made no difference , still cutting off .

[Arno]

Question ! If I changed Ecu , key chip , transponder there no need to programming them , right ?

 

You do need the matching transponder unit that's around the key lock or the ECU has to be 'de paired' first with a TECH2 from the original and then 'paired' to your one  (after the old pairing has been broken first).

 

If it's running for a few seconds and then cutting out then likely the immobiliser is now activating because your key reader unit on the steerring column is now not paired to the ECU correctly and it's not sending the 'OK' signal.

 

When replacing ECU's on these cars you either have to:

 

- de-pair the original ECU from the transponder unit using a TECH2 (clone) tool

- get an ECU that was also previously 'de-paired'

- swap ECU

- pair the new ECU to the transponder unit using a TECH2 (clone) tool

 

Or:

 

- buy a complete 'paired' set of transponder unit and ECU and swap these both in the car

- clear old keys from the transponder using a TECH2

- learn your keys

 

 

Bye, Arno.

[Egor]

I believe the kit been taken of running Vx. So transponder Ecu and key Chip are of the same car . Let say if Ecu has been mixed up , would it start? How can I check if one of component ( Ecu , key , transponder ) not paired ..., is there the way doing it ? Shall I ask these key people to pair them up , would they know ? Thanks

[Arno]

If the ECU and immobiliser/transponder are not paired then a TECH2 or probably an OPCom scanner should either show an error code or it won't be able to communicate with the ECU at all as the OBD data is going through the immobiliser/transponder unit by default. (and yes.. that can be bypassed by tapping into the wires between them..)

 

If it is paired properly but it can not read the correct key chip when the engine is started (and shuts it off after about 3 seconds) then it should also report that.

 

With a correctly paired setup you should be able to (re)learn your original key(s) with the chips in the system so you don't need to change ignition locks or modify/hack keys to transplant chips.

 

Best thing is probably to make sure if this part of the system is returning an 'ALL OK' with a good Opel/Vauxhall capable scanner tool.

 

Once you know that then any other non-start issues should be something in the rest of the engine/wiring/etc. but not be stopped by the immobiliser and you can focus on other areas like fuel, spark, etc.

 

Bye, Arno.

[siztenboots]

Does the dash yellow check engine light come one if active  , whereas with no fault code it is off before starting

[Egor]

If the ECU and immobiliser/transponder are not paired then a TECH2 or probably an OPCom scanner should either show an error code or it won't be able to communicate with the ECU at all as the OBD data is going through the immobiliser/transponder unit by default. (and yes.. that can be bypassed by tapping into the wires between them..)

 

If it is paired properly but it can not read the correct key chip when the engine is started (and shuts it off after about 3 seconds) then it should also report that.

 

With a correctly paired setup you should be able to (re)learn your original key(s) with the chips in the system so you don't need to change ignition locks or modify/hack keys to transplant chips.

 

Best thing is probably to make sure if this part of the system is returning an 'ALL OK' with a good Opel/Vauxhall capable scanner tool.

 

Once you know that then any other non-start issues should be something in the rest of the engine/wiring/etc. but not be stopped by the immobiliser and you can focus on other areas like fuel, spark, etc.

 

Bye, Arno.

This is it , have to go through all these tests . Thanks for a pointers !

[Egor]

Does the dash yellow check engine light come one if active  , whereas with no fault code it is off before starting

 

No active yellow light . What do you mean by "WHEREAS WITH NO FAULT CODEIS IT OFF BEFORE  STARTING " You thinking of something   NOT ACTIVATED ?  

[Johnboyhgt]

What were the errors that the ecu reported as faults ? Sent from my SM-G903F using Tapatalk

[Egor]

What were the errors that the ecu reported as faults ? Sent from my SM-G903F using Tapatalk

 

P1108 turbocharger westgate solenoid a malfunction - this was activated through diagnostic tool and its fine

 

P0340 camshaft position sensor

 

P0115 coolant temperature sensor

 

P1105 atmospheric pressure sensor malfunction

 

All engine , gearbox ,engine wiring loom, aux's , even ECU was there , come as one unit from smashed up 9000 miles vxt .