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

1. Check if the navigation antenna cable is securely connected to the navigation receiver assembly.

   OK

   Navigation antenna cable is securely connected.

NG → SECURELY CONNECT NAVIGATION ANTENNA CABLE 

OK: Go to next step 

1. Replace the navigation antenna assembly with a known good one and check if the same DTC is output again, refer to REMOVAL .
   1. Clear the DTCs, refer to DTC CHECK / CLEAR .
   2. Recheck for DTCs and check if the same DTC is output again.

      OK

      No DTCs are output.

NG → See step   3 

OK → END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)