This DTC is stored when the radio and display receiver assembly detects a short in a speaker circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| B15C371 | Speaker Output Short Actuator Stuck | When any of the following conditions is met:
(2 trip detection logic) ·
A short is detected in the speaker output circuit ·
Internal direct current is detected in the AMP power IC |
·
Harness or connector ·
Radio and display receiver assembly ·
Telematics transceiver ·
Speaker |
Navigation System | A |
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.
Disconnect the G154 radio and display receiver assembly connector.
Disconnect the G5 and G6 front No. 2 speaker assembly connectors.*
*: for 6 Speakers
Disconnect the J1 and I1 front No. 1 speaker assembly connectors.
Disconnect the L1 and K1 rear speaker assembly connectors.
Disconnect the G132 telematics transceiver connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
*1: for 6 Speakers *2: for 4 Speakers |
||
| G154-2 (FL+) or G6-4 (TWL+) - Body ground*1 | Always | 10 kΩ or higher |
| G154-7 (FL-) or G6-2 (TWL-) - Body ground*1 | Always | 10 kΩ or higher |
| J1-2 (+) or G6-3 (+) - Body ground*1 | Always | 10 kΩ or higher |
| J1-1 (-) or G6-1 (-) - Body ground*1 | Always | 10 kΩ or higher |
| G154-2 (FL+) or J1-2 (+) - Body ground*2 | Always | 10 kΩ or higher |
| G154-7 (FL-) or J1-1 (-) - Body ground*2 | Always | 10 kΩ or higher |
| G154-1 (FR+) or G132-1 (SPI+) - Body ground | Always | 10 kΩ or higher |
| G154-6 (FR-) or G132-2 (SPI-) - Body ground | Always | 10 kΩ or higher |
| G132-3 (SPO+) or G5-4 (TWR+) - Body ground*1 | Always | 10 kΩ or higher |
| G132-4 (SPO-) or G5-2 (TWR-) - Body ground*1 | Always | 10 kΩ or higher |
| I1-2 (+) or G5-3 (+) - Body ground*1 | Always | 10 kΩ or higher |
| I1-1 (-) or G5-1 (-) - Body ground*1 | Always | 10 kΩ or higher |
| G132-3 (SPO+) or I1-2 (+) - Body ground*2 | Always | 10 kΩ or higher |
| G132-4 (SPO-) or I1-1 (-) - Body ground*2 | Always | 10 kΩ or higher |
| G154-3 (RL+) or L1-2 (+) - Body ground | Always | 10 kΩ or higher |
| G154-8 (RL-) or L1-1 (-) - Body ground | Always | 10 kΩ or higher |
| G154-4 (RR+) or K1-2 (+) - Body ground | Always | 10 kΩ or higher |
| G154-9 (RR-) or K1-1 (-) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| for 6 Speakers | A |
| for 4 Speakers | B |
A
B
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Component without harness connected
(Telematics Transceiver) |
Disconnect the telematics transceiver connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 1 (SPI+) - 3 (SPO+) | Always | Below 1 Ω |
| 2 (SPI-) - 4 (SPO-) | Always | Below 1 Ω |
| 1 (SPI+) - 2 (SPI-) | Always | 10 kΩ or higher |
| 3 (SPO+) - 4 (SPO-) | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Clear the DTCs.
Turn the ignition switch off.
Check for DTCs and proceed to the following step.
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTC B15C371 is output | B |
A
B