[bursuc]

Hy friends,

I have a W203 c200 from 2003

Dituation looks like this : key is not turning in ingniton steering lock is not unlocking and the remote control dosent work eighter.

I generate keys , i write new key stil lnothing . when i insert it into EZS nothing happens .

I attach eeprom and flash from ezs . Maybe something wrong.

Part nr on EZS is 209 545 09 08 Q1
processor is 1L85D

Eeprom and flash attached

[mercis]

Can you km on odo see?

[bursuc]

I dont see km in dashboard

[mercis]

Upload this flash and test

[bawareca]

Also check power supply for the EIS and ESL. ESL fuse is in the left side of the dash fuse box.

[bursuc]

Upload this flash and test

With this flash i am not able to connect to do diagnostic on EZS
With original Flash i am able to make diagnostic
With ori and your flash file the remote is still not working.

I have found some water corosion in rear sam unit but i didnt have the chance to remove it and inspect it .

when i insert key into EZS and press the button on the key the led is still flashing wich is telling me that the key and EZS are not communicating properly...

Any other ideeas ?

regards

[bawareca]

I test these on the bench with power supply that shows the current. It is clear if the coil for the key is activated or not. I have had a a few of these EIS that dont activate the coil and after writing the dump in another EIS it works fine.

[volavka]

Same happend with me with w203 eis 209 after chage km key not trun in eis and red light in key flashing even in eis mean eis dead or key coil
.I was surprised the Problem was fus Problem, find it after test all on bench

try connect eis elv on the bench

Here diagrams