How to Test power to the unit
Power Issues
The unit does a full boot instead of quick boot every time the accessories is turned on. The Accessories G3 and Main battery power G2 are swapped around so that G2 is coming on with ignition and G3 is always on.
G1= 0VDC NEGATIVE
G2= 12VDC ACCESSORIES POWER (Swapped with G3)
G3= 12VDC MAIN BATTERY (Swapped with G2
Correct Vehicle Voltage condition on these pins when ignition is ON should be as follows:
G1= 0VDC NEGATIVE
G2= 12VDC MAIN BATTERY
G3= 12VDC ACCESSORIES POWER
Correct Vehicle Voltage condition on these pins when ignition is OFF should be as follows:
G1= 0VDC NEGATIVE
G2= 12VDC MAIN BATTERY
G3= 0VDC ACCESSORIES POWER
The unit only comes on when the reset pin is pushed and held in and the optical light on the back comes on when the ignition is on.
The accessories G3 is missing 12VDC. You have the following condition which needs to be fixed.
Check for blown fuses, wire misalignment from factory pin to G plug or if the G3 accessories is only supplied by canbus (not all cases), the canbus could be faulty by not outputting 12VDC even if it has G2 main battery supply to it.
G1= 0VDC NEGATIVE
G2= 12VDC MAIN BATTERY
G3= 0VDC ACCESSORIES POWER
Below is an example of a symptom of 0VDC on G3 Accessories input
The fuse is blowing when the unit is connected, then the Negative G1 and Main Battery G3 are swapped
Please note: The unit has a 15A fuse, some vehicles accessories are lower than this and can blow. You may need to either upgrade the accessories fuse for your vehicle if it's safe to do so, or run a new accessories line.
G1= 12VDC MAIN BATTERY
G2= 0VDC NEGATIVE
G3= 12VDC ACCESSORIES POWER
The unit turns off as expected by the battery is draining.
Sometimes in some systems, the canbus (if installed) keeps something "awake" in the engine bay which drains the battery.
The solution is to disconnect the G2 mains battery supply to the canbus, and power it by G3 accessories power only so that the canbus also turns off when the unit is off.
NOTE: If the G3 only comes from the canbus only, then you will be required to run your own accessories power to the main power supply to the canbus instead.
IMPORTANT: some installations with this issue have been identified as having the reverse camera incorrectly installed to the main battery G2 instead of the accessories. This will cause the camera to stay on all the time and drain the battery.
