| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001ATU5 |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - ] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for Gasoline Model): B15C0,B15C1; GPS Antenna Connection Malfunction(short); 2019 - 2022 MY Avalon [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 |
|
|
B15C1 |
GPS Antenna Connection Malfunction(break) |
Navigation antenna power source malfunction |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The navigation ECU 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
![2019 - 2022 MY Avalon Avalon HV [04/2018 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK DTC |
(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.
| OK |
|
|
|
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:
|
|
| NG |
|
REPLACE NO. 5 ANTENNA CORD SUB-ASSEMBLY
|
|
|
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:
|
|
| NG |
|
REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY
|
|
|
4. |
INSPECT NAVIGATION ANTENNA ASSEMBLY |
(a) Remove the navigation antenna assembly.
Click here
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK |
|
REPLACE NAVIGATION ECU
|
| NG |
|
REPLACE NAVIGATION ANTENNA ASSEMBLY
|
|
|