DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna: Procedure

1. Check if the navigation antenna is securely connected to the display and navigation module display.

   OK

   Navigation antenna is securely connected.

NG → SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY 

OK: Go to next step 

1. Temporarily replace the navigation antenna assembly with a new or normally one. Refer to REMOVAL .
2. Clear the DTCs. Refer to DTC CHECK / CLEAR .
3. Check for DTCs and check if the same trouble occurs again.

   OK

   No DTCs are output.

NG → See step   3 

OK → END