These DTCs are stored when a malfunction occurs in the navigation antenna assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B153711 | Telephone Sub Antenna Circuit Short to Ground | Navigation antenna assembly impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON
(Short circuit) |
·
Telematics transceiver ·
Navigation antenna assembly ·
Antenna cord sub-assembly ·
No. 4 antenna cord sub-assembly |
| B153713 | Telephone Sub Antenna Circuit Open | Navigation antenna assembly impedance (Ω) is higher than the malfunction threshold for 10 seconds or more when the ignition switch is ON
(Open circuit) |
·
Telematics transceiver ·
Navigation antenna assembly ·
Antenna cord sub-assembly ·
No. 4 antenna cord sub-assembly |
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Telematics System.
When replacing the telematics transceiver, make sure to replace it with a new one.
Before replacing the telematics transceiver, refer to Service Bulletin.
Turn the ignition switch off.
Connect the GTS to the DLC3.
Turn the ignition switch to ON and wait for 10 seconds or more.
Turn the GTS on.
Clear the DTCs.
Check for DTCs and check that no DTCs are output.
No DTCs are output.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the navigation antenna assembly.
| *a | Component without harness connected
(Navigation Antenna Assembly) |
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 4 - 4a | Always | 4 to 11 kΩ |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Front view of wire harness connector
(to Navigation Antenna Assembly) |
| *b | Front view of wire harness connector
(to No. 4 Antenna Cord Sub-assembly) |
Disconnect the antenna connector from the navigation antenna assembly.
Disconnect the antenna connector from the No. 4 antenna cord sub-assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A-4 - B-5 | Always | Below 1 Ω |
| A-4a - B-5a | Always | Below 1 Ω |
| A-4 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Front view of wire harness connector
(to Antenna Cord Sub-assembly) |
| *b | Front view of wire harness connector
(to Telematics Transceiver) |
Disconnect the antenna connector from the antenna cord sub-assembly.
Disconnect the antenna connector from the telematics transceiver.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| B-5 - ANT3-1 | Always | Below 1 Ω |
| B-5a - ANT3-1a | Always | Below 1 Ω |
| B-5 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Replace the telematics transceiver with a new one.
| Proceed to |
|---|
| NEXT |
NEXT