Pins 6,8; pins 13 and 1 should be shorted in cable. USB pinout (used at least in Motorola Nextel i205, i305, i530, i730, i830, i930).
For v600 whith charge, pin 3 and 6 be shorted. USB D+ connect to pin4, USB D- connect to pin5. R=25 KOhm connect to pin1 and pin2. Do not pin 3 and 6 shorted in phone, must be in cable!