DTC B1547-11: GNSS Antenna Circuit Short to Ground; DTC B154713: GNSS Antenna Circuit Open [07/2022 - ]: Procedure

Refer to INSPECTION [10/2018 - ]

Result

Result: 

NG 

REPLACE NAVIGATION ANTENNA ASSEMBLY. Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  2

1. Disconnect the navigation antenna assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

2. Disconnect the radio receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D-3 - A-1	Always	Below 1 Ω
   D-3a - A-1a	Always	Below 1 Ω
   D-3a or A-1a - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [07/2022 - ] 

Result: 

NG 

REPLACE ANTENNA CORD SUB-ASSEMBLY. Refer to  REMOVAL [07/2022 - ]