DTC B15C0: Short in GPS Antenna; DTC B15C1: Open in GPS Antenna [10/2014 - 09/2017]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

   Body Electrical > Navigation System > Clear DTCs 

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

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

   Body Electrical > Navigation System > Trouble Codes 

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017] 

Result: 

NG 

See step  2

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

   OK

   Navigation antenna assembly is securely connected.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY 

Result: 

OK 

See step  3

1. Remove the navigation antenna assembly.

   Refer to REMOVAL [10/2014 - 09/2017]

2. Inspect the navigation antenna assembly.

   Refer to INSPECTION [10/2014 - 09/2017]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE NAVIGATION ANTENNA ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

Result: 

OK 

See step  4

1. Remove the antenna cord sub-assembly.

   Refer to REMOVAL [10/2014 - 09/2017]

2. Inspect the antenna cord sub-assembly.

   Refer to INSPECTION [10/2014 - 09/2017]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE ANTENNA CORD SUB-ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

Result: 

OK 

See step  5

1. Disconnect the I109 radio receiver assembly connector.
2. Disconnect the I147 antenna cord sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I109-1 (GPS) - I147-1 (GPS)	Always	Below 1 Ω
   I109-1 (GPS) or I147-1 (GPS) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR