| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM10000000271WV |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Knobless Radio and Display Receiver): B154711,B154713; GNSS Antenna Circuit Short to Ground; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] | ||
|
DTC |
B154711 |
GNSS Antenna Circuit Short to Ground |
|
DTC |
B154713 |
GNSS Antenna Circuit Open |
DESCRIPTION
These DTCs are stored when the radio and display receiver assembly detects an open or short in GNSS antenna assembly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
Priority |
|---|---|---|---|---|---|
|
B154711 |
GNSS Antenna Circuit Short to Ground |
Short in GNSS antenna assembly (2 trip detection logic) |
|
Navigation System |
A |
|
B154713 |
GNSS Antenna Circuit Open |
Open in GNSS antenna assembly (2 trip detection logic) |
|
Navigation System |
A |
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.
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![2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Knobless Radio and Display Receiver): PRECAUTION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
INSPECT NAVIGATION ANTENNA ASSEMBLY |
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| NG |
|
REPLACE NAVIGATION ANTENNA ASSEMBLY
|
|
|
2. |
INSPECT ANTENNA CORD SUB-ASSEMBLY |
|
(a) Disconnect the navigation antenna assembly connector. |
|
|
(b) Disconnect the radio and display receiver assembly connector. |
|
(c) 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 |
| OK |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY
|
| NG |
|
REPLACE ANTENNA CORD SUB-ASSEMBLY
|
|
|