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C4 It does not turn on
02-05-2019, 21:18 PM, (This post was last modified: 02-05-2019, 23:14 PM by Clusters.)
Post: #1
YTMercedes  C4 It does not turn on
Hi, I want to ask you a question. I got a model 2019 bus ol16 / 45. the fact is that I was able to scan buses with the day only with version 07/2016, the problem with the bus 2019 does not turn on the scanner, and check voltages and these are the ones that have marked me.

pin 1 N/A
pin 2 N/A
pin 3 N/A
pin 4 ground
pin 5 signal ?Can
Pin 6 Can H
pin 7 23V
pin 8 25V
pin 9 signal ?
pin 10 N/A
pin 11 N/A
pin 12 N/A
pin 13 N/A
pin 14 Can L
pin 15 signal ?
pin 16 25V
someone has the same problem that has resolved
he's just out of agency
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06-05-2019, 17:29 PM,
Post: #2
RE: C4 It does not turn on
test if the C4 works on 12 V C4 is toooo old for 2019 bus
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06-05-2019, 20:00 PM,
Post: #3
YTMercedes  RE: C4 It does not turn on
(06-05-2019, 17:29 PM)obdcloud Wrote:  test if the C4 works on 12 V C4 is toooo old for 2019 bus


It does not take much to scan a model of 2016, it is also 24V, the detail of 2019 is that the pins are not where they should be, for example I understand that pin 5 is ground, but this has a signal similar to the CAN signal, and does not turn on the scanner
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08-05-2019, 13:32 PM,
Post: #4
RE: C4 It does not turn on
(06-05-2019, 20:00 PM)micores Wrote:   does not turn on the scanner

Check fuses on vertical board (one with connector on)

I don't have a clue, but let me play more clever biggrin
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