How to add resistor to Benz ECU Test Adapter

Here is the instruction on how to rework (add resistor to) a dead Mercedes-Benz ECU test adapter for KtagKess v2, and VVDI/VVDI2 etc.

 

Here are the steps to add resistor.

Use cutting pliers to peel the external black plastic film

repair-Mercedes-ECU-Test-Adapter-(1)

repair-Mercedes-ECU-Test-Adapter-(2)

Then remove the black plastic film

repair-Mercedes-ECU-Test-Adapter-(3)

Use the cutting pliers to cut the internal white plastic film mold within PIN4 & PIN5

repair-Mercedes-ECU-Test-Adapter-(4)

A short circuit between PIN4 & PIN5 point after cutting

repair-Mercedes-ECU-Test-Adapter-(5)

Disconnect P4 & P5 point with a soldering iron and pick up the orange and yellow cores/chips

repair-Mercedes-ECU-Test-Adapter-(6)

Solder the orange core to the P4 point and the yellow the P5 point, and solder 120 ohm resistor

repair-Mercedes-ECU-Test-Adapter-(7)

Mercedes Benz ECU test adapter modification completes, ready for use.

 

 

Reference

benz-ecu-test-adapter-description

A: cable:00=5.0 2C 24AWG black

B: 1007/24AWG color 6

C: blck with the ear chip and blue chip, overmold: 45p pvc black

D: D89P maleovermold: 45 pvc black

 

Pin assignment:

P1 OBDII F                 P2 DB9M                  P3 DC5.5*2.1 with chip

4+5     ——–black————-   1    —————————-

7       ——–brown———–   2

16      ———-red————-   3    —————————-

6       ——-orange———–      ————120 ohm resistor

14      ——-yellow————   5    ———–120 ohm resistor

 

Note: 120 ohm resistor between P4 and P5 point

 

Quality symbols:

benz-ecu-test-adapter-quality-symbols

http://blog.obdii365.com/2016/09/10/rework-benz-ecu-test-adapter-for-ktag-kess-vvdi/

Share This Post

Post Comment

site by bcz