DTC B1547-11: GNSS Antenna Circuit Short to Ground; DTC B1547-13: GNSS Antenna Circuit Open [10/2022 - ]: Procedure

Refer to INSPECTION [10/2020 - ]

Result

Result: 

NG 

REPLACE NAVIGATION ANTENNA ASSEMBLY. Refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

Result: 

OK 

See step  2

1. Disconnect the antenna connector from the navigation antenna assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of antenna cord sub-assembly connector (to Navigation Antenna Assembly)
   *b	Front view of antenna cord sub-assembly connector (to Radio Receiver Assembly)

2. Disconnect the antenna connector from the radio receiver assembly.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A-3 - B-1 (GPS)	Always	Below 1 Ω
   A-3a - B-1a	Always	Below 1 Ω
   A-3 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

Result: 

NG 

REPLACE ANTENNA CORD SUB-ASSEMBLY. Refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ]