DTC B15C0: GPS Antenna Connection Malfunction(short); DTC B15C1: GPS Antenna Connection Malfunction(break) [02/2014 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [02/2014 - 11/2015] Refer to DTC CHECK / CLEAR [11/2015 - 11/2016] Refer to DTC CHECK / CLEAR [11/2016 - ]

   Body Electrical > Navigation System > Clear DTCs 

2. Recheck for DTCs and check that no DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2014 - 11/2016]  Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] 

Result:  2

NG 

See step  2

1. Remove the navigation antenna assembly.

   Refer to REMOVAL [02/2014 - ]

2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Navigation Antenna Assembly)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 1a	Always	50 to 500 Ω

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE NAVIGATION RECEIVER ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

Result:  2

NG 

REPLACE NAVIGATION ANTENNA ASSEMBLY. Refer to  REMOVAL [02/2014 - ]