Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: XM Tuner Antenna Disconnected (B15FE,B15FF)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the telephone antenna assembly which is connected to the radio and display receiver assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15FE

XM Tuner Antenna Disconnected

The telephone antenna assembly is not connected

  • No. 4 antenna cord sub-assembly
  • No. 3 antenna cord sub-assembly
  • No. 2 antenna cord sub-assembly
  • Telephone antenna assembly
  • Radio and display receiver assembly

B15FF

XM Tuner Antenna Short

A short occurs in the telephone antenna assembly

  • No. 4 antenna cord sub-assembly
  • No. 3 antenna cord sub-assembly
  • No. 2 antenna cord sub-assembly
  • Telephone antenna assembly
  • Radio and display receiver assembly

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 4 antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END

NG

2.

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 3 antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END

NG

3.

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 2 antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END

NG

4.

REPLACE TELEPHONE ANTENNA ASSEMBLY

(a) Replace the telephone antenna assembly with a new or known good one.

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)

    AV Signal Stoppage (Low Battery Voltage) (B158F)

    See More:

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