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Hi jcf
If 5v present on between 1-2 pins , there is no damages and all should work.
What module names do you see during pairing with smartphone or PC?
Did you try to eneter password 1234 during pairing?
You don't need to connect jp1.2 if ref voltage of ECU is 5v. Just set jumper to "Motronic " position, in this case the converter will use internal 5v reference.
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Hi PIN,
I've checked everything once again. All connections to the ECU and MAF, they are ok, like on the scheme I made on message #8.
I have 12V between 12v supply and ground.
With ignition on, and jumper 1.2 on ref voltage, I have 5V between 1-2 test pins.
But no led is blinking on the converter, and I can't see any Bluetooth signal (I've found on old Bluetooth connexions that mine was HC-06, so I also tried to delete it and make a new one, but none is visible) with my laptop or my phone.
What could I do to troubleshoot further ?
Thank you for your help,
Jean-Christophe