Last Modified: 08-21-2023 |
6.11:8.1.0 |
Doc ID: RM100000001BQUX |
Model Year Start: 2019 |
Model: Avalon HV |
Prod Date Range: [04/2018 -
] |
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): B15C0,B15C1; GPS Antenna Connection Malfunction(short); 2019 - 2022 MY Avalon HV [04/2018 - ] |
DTC
|
B15C0
|
GPS Antenna Connection Malfunction(short)
|
DTC
|
B15C1
|
GPS Antenna Connection Malfunction(break)
|
DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation antenna assembly.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
B15C0
|
GPS Antenna Connection Malfunction(short)
|
Navigation antenna malfunction
|
-
Navigation antenna assembly
-
No. 4 antenna cord sub-assembly
-
No. 5 antenna cord sub-assembly
-
Radio and display receiver assembly
|
B15C1
|
GPS Antenna Connection Malfunction(break)
|
Navigation antenna power source malfunction
|
-
Navigation antenna assembly
-
No. 4 antenna cord sub-assembly
-
No. 5 antenna cord sub-assembly
-
Radio and display receiver assembly
|
WIRING DIAGRAM
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.
-
Check that the No. 4 antenna cord sub-assembly and No. 5 antenna cord sub-assembly is properly installed and does not have any sharp bends, pinching or loose connections before performing following procedure.
Click here
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
NG
|
|
|
2.
|
INSPECT NO. 5 ANTENNA CORD SUB-ASSEMBLY
|
(a) Remove the No. 5 antenna cord sub-assembly.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
C-1 - D-1
|
Always
|
Below 1 Ω
|
C-1a - D-1a
|
Always
|
Below 1 Ω
|
C-1 or D-1 - Body ground
|
Always
|
10 kΩ or higher
|
|
|
*a
|
Component without harness connected
(No. 5 Antenna Cord Sub-assembly)
|
|
|
OK
|
|
|
3.
|
INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY
|
(a) Remove the No. 4 antenna cord sub-assembly.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
A-3 - B-1
|
Always
|
Below 1 Ω
|
A-3a - B-1a
|
Always
|
Below 1 Ω
|
A-3 or B-1 - Body ground
|
Always
|
10 kΩ or higher
|
|
|
*a
|
Component without harness connected
(No. 4 Antenna Cord Sub-assembly)
|
|
|
OK
|
|
|
4.
|
INSPECT NAVIGATION ANTENNA ASSEMBLY
|
(a) Remove the navigation antenna assembly.
Click here
(b) Inspect the navigation antenna assembly.
Click here
|