How fix it 1H0959656 VW GOLF year 1994

[alclot]

Hi friends. I have ecu siemens without comunication diag. I never work with this ecu. How can I read this ecu? any idea?
Car: VW GOLF 1.9 TDI YEAR 1994
ECU: SIEMENS 5WK4 076/84/92 - 1H0 959 656

Thanks in advance ;)

[alclot]

Do you know the micro, this ecu to read it?

[georgii50]

Hi, next to the quartz resonator that?

[alclot]

Hi, next to the quartz resonator that?

MOTOROLA 776703 / ZC408999CFNA / ZZYJ9351

[georgii50]

Hi, next to the quartz resonator that?
Is necessary to make?
Or emulator enough light bulb?

[alclot]

I think problem is info corrupted in micro. Ecu no diag

[alclot]

Pinout of this ecu? help me please ;(

[georgii50]

Hi, the website could not go, Carprog tried?

[alclot]

Carprog no have this ecu ;(

[mcm44]

Did you try pinout like:
Pin 3 - K-line
Pin 7 - +12V
Pin 10 - GND
??

[mcm44]

I think this is some kind of Motorola HC05 MCU. Can you post dump from it? :)

[alclot]

I dont have the unit now. Next time. Sorry.