| DTC Code | DTC Name |
|---|---|
| B15D3 | Stereo Component Amplifier Disconnected |
DESCRIPTION
w/ Panoramic View Monitor System
The navigation receiver assembly and stereo component amplifier assembly are connected by the MOST communication line.
When a MOST communication error occurs between the navigation receiver assembly and stereo component amplifier assembly, this DTC will be stored.
w/o Panoramic View Monitor System
The navigation receiver assembly and stereo component amplifier assembly are connected by the AVC-LAN communication line.
This DTC is stored when an AVC-LAN communication error occurs between the navigation receiver assembly and stereo component amplifier assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B15D3 | Stereo Component Amplifier Disconnected | w/ Panoramic View Monitor System
w/o Panoramic View Monitor System Any of the following conditions is met:
|
w/ Panoramic View Monitor System
w/o Panoramic View Monitor System
|
| Vehicle Condition | |||
|---|---|---|---|
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | The engine switch is/was on (ACC or IG) | ○ | - |
| The engine is started | - | ○ | |
| Malfunction Status | The stereo component amplifier assembly is/was not connected | ○ | - |
| Communication between the master unit and the stereo component amplifier assembly is not possible | - | ○ | |
| Detection Time | - | - | |
| Number of Trips | 1 trip | 1 trip | |
Tech Tips
DTC will be output when conditions for either of the patterns in the table above are met.
Tech Tips
w/ Panoramic View Monitor System
For the MOST network, the navigation receiver assembly is the master unit.
w/o Panoramic View Monitor System
Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.
The navigation receiver assembly is the master unit.
WIRING DIAGRAM
w/ Panoramic View Monitor System
w/o Panoramic View Monitor System
| *a | from Eco Run Vehicle Converter Assembly |
| *b | Navigation Receiver Assembly |
| *c | Stereo Component Amplifier Assembly |
| *d | AVC-LAN Communication Line |
CAUTION / NOTICE / HINT
Note
Inspect the fuses for circuits related to this system before performing the following procedure.
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK DTC Click here |
| A |
|
CHECK DTC
If DTC B15C3 is output, perform troubleshooting for DTC B15C3 first.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
GO TO DTC B15C3 Click here |
| A |
|
CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)
Check that optional components (including associated wiring) which generate radio waves are not installed.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Tech Tips
Electrical noise from radio waves generated by optional components or the wiring for those components may affect MOST communication.
This DTC may be stored when an MOST communication error occurs due to electrical noise.
| B |
|
GO TO STEP 5 Click here |
| A |
|
REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)
Remove optional components (including associated wiring).
Note
Do not remove optional components or associated wiring without the permission of the customer.
| Result | ||
|---|---|---|
|
| NEXT |
|
CHECK DTC
Clear the DTCs.
Recheck for DTCs and check that no DTCs are output.
| OK |
|---|
| No DTCs are output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY POWER SOURCE)
| *a | Front view of wire harness connector (to Stereo Component Amplifier Assembly) |
Disconnect the stereo component amplifier assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| C |
|
GO TO STOP AND START SYSTEM Click here |
| D |
|
GO TO STOP AND START SYSTEM Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)
Disconnect the F29 navigation receiver assembly connector.
Disconnect the F30 stereo component amplifier assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)
Disconnect the F30 stereo component amplifier assembly connector.
Disconnect the S39 television display assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY
Replace the stereo component amplifier assembly.
Clear the DTCs.
Recheck for DTCs and check that no DTCs are output.
| OK |
|---|
| No DTCs are output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
REPLACE TELEVISION DISPLAY ASSEMBLY
Replace the television display assembly.
Clear the DTCs.
Recheck for DTCs and check that no DTCs are output.
| OK |
|---|
| No DTCs are output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
REPLACE NAVIGATION RECEIVER ASSEMBLY Click here |
CHECK DTC
If DTC B15C3 is output, perform troubleshooting for DTC B15C3 first.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
GO TO DTC B15C3 Click here |
| A |
|
CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)
Check that optional components (including associated wiring) which generate radio waves are not installed.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Tech Tips
Electrical noise from radio waves generated by optional components or the wiring for those components may affect AVC-LAN communication.
This DTC may be stored when an AVC-LAN communication error occurs due to electrical noise.
| B |
|
GO TO STEP 14 Click here |
| A |
|
REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)
Remove optional components (including associated wiring).
Note
Do not remove optional components or associated wiring without the permission of the customer.
| Result | ||
|---|---|---|
|
| NEXT |
|
CHECK DTC
Clear the DTCs.
Recheck for DTCs and check that no DTCs are output.
| OK |
|---|
| No DTCs are output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY POWER SOURCE)
| *a | Front view of wire harness connector (to Stereo Component Amplifier Assembly) |
Disconnect the stereo component amplifier assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| C |
|
GO TO STOP AND START SYSTEM Click here |
| D |
|
GO TO STOP AND START SYSTEM Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)
Disconnect the F3 navigation receiver assembly connector.
Disconnect the F7 stereo component amplifier assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY
Replace the stereo component amplifier assembly.
Clear the DTCs.
Recheck for DTCs and check that no DTCs are output.
| OK |
|---|
| No DTCs are output. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
REPLACE NAVIGATION RECEIVER ASSEMBLY Click here |