DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna [10/2014 - ]: Procedure

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).
2. Recheck for DTCs and check that no DTCs are output.

   OK

   No DTCs are output.

Result: 

OK 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

Result: 

NG 

See step  2

1. Remove the navigation antenna assembly (Refer to REMOVAL [10/2014 - ] ).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

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

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Navigation Antenna Assembly)

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPLACE NAVIGATION ANTENNA ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )