How to solve FETROTECH READ MERCEDES EDC16CP31 “S1 AND S2 PINOUT ERROR”


Question:

EDC16CP31 doesn’t work on Fetrotech Silver you have three tries with three different cars and all three don’t work put X on MB 16cp31.

1-b class not work

2-e class not work

3-sprinter not work

solved-fetrotech-read-mercedes-edc16cp31-s1-and-s2-pinout-error-1

 

Here we have 3 different pinouts of EDC16CP31:

PINOUT 1 (on Fetrotech)

solved-fetrotech-read-mercedes-edc16cp31-s1-and-s2-pinout-error-2

PIN33 T96 – GPT0

PIN34 T96 – GPT1

PIN2 T58 – GND

PIN5&41 T58 – +12V

PIN43 T58 – KLINE

 

PINOUT 2

solved-fetrotech-read-mercedes-edc16cp31-s1-and-s2-pinout-error-3

PIN33 – GPT0

PIN77 – GPT1

PIN2- GND

PIN5&41 – +12V

PIN43 – KLINE

 

PINOUT 3

solved-fetrotech-read-mercedes-edc16cp31-s1-and-s2-pinout-error-4

PIN86 – GPT0

PIN77 – GPT1

PIN2- GND

PIN5&41 – +12V

PIN43 – KLINE

 

Through tests, PINOUT2 works, and CAN-H/-L is not required.

solved-fetrotech-read-mercedes-edc16cp31-s1-and-s2-pinout-error-5

solved-fetrotech-read-mercedes-edc16cp31-s1-and-s2-pinout-error-6

Big thanks to Gurdjan and Ciaran