DTC B15FE-11: XM Tuner Antenna Circuit Short to Ground; DTC B15FE13: XM Tuner Antenna Circuit Open [07/2022 - ]: Procedure

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

   OK

   Telephone antenna assembly cable is securely connected.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

SECURELY CONNECT TELEPHONE ANTENNA ASSEMBLY CABLE 

Result: 

OK 

See step  2

1. Disconnect the antenna connector from the radio receiver assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (to Radio Receiver Assembly)

2. Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (to No. 3 Antenna Cord Sub-assembly)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   XM-1 (XM) - A-2	Always	Below 1 Ω
   XM-1a - A-2a	Always	Below 1 Ω
   XM-1 (XM) or A-2 - Body ground	Always	10 kΩ or higher
   XM-1a or A-2a - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

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

Result: 

OK 

See step  3

1. Disconnect the antenna connector from the antenna cord sub-assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (to Antenna Cord Sub-assembly)

2. Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (to No. 4 Antenna Cord Sub-assembly)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B-2 - C-2	Always	Below 1 Ω
   B-2a - C-2a	Always	Below 1 Ω
   B-2 or C-2 - Body ground	Always	10 kΩ or higher
   B-2a - C-2a - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY. Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  4

1. Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (to No. 3 Antenna Cord Sub-assembly)

2. Disconnect the antenna connector from the telephone antenna assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (to Telephone antenna assembly)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D-2 - E-3	Always	Below 1 Ω
   D-2a - E-3a	Always	Below 1 Ω
   D-2 or E-3 - Body ground	Always	10 kΩ or higher
   D-2a or E-3a - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY. Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  5

1. Replace the telephone antenna assembly with a new or known good one and check if the same problem occurs again.

   Refer to REMOVAL [10/2018 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

2. Turn the ignition switch off.
3. Recheck for DTCs and check that no DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

A 

END (TELEPHONE ANTENNA ASSEMBLY IS DEFECTIVE) 

Result: 

B 

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