NO SOUND OUTPUT IN ALL MODES [ENTERTAINMENT SYSTEM (TYPE-B)]


id160307000400


Without Bose®


Outline

Possible cause
•  Connector or terminal malfunction of the following parts:
―  Front door speaker
―  Tweeter (With tweeter)
―  Rear door speaker
―  Audio amplifier
•  Short to ground or open circuit in speaker signal circuit
―  Front door speaker signal circuit
―  Tweeter signal circuit (With tweeter)
―  Rear door speaker signal circuit
•  Front door speaker malfunction
•  Tweeter malfunction (With tweeter)
•  Rear door speaker malfunction
•  Audio amplifier malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY ALL SYSTEM DTCs
•  Perform the DTC inspection.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Are any DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
2
INSPECT SPEAKER AND AUDIO AMPLIFIER CONNECTORS FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
(Refer to the [CONNECTOR INSPECTION] in the workshop manual)
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT SPEAKER SIGNAL CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT
•  Inspect the signal circuit for a short to ground and open circuit.
(Refer to the [CIRCUIT INSPECTION] in the workshop manual)
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT SPEAKER FOR MALFUNCTION
•  Inspect the applicable part.
(Refer to the [SPEAKER INSPECTION] in the workshop manual)
•  Is the part normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
(Refer to the [FRONT DOOR SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [TWEETER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [REAR DOOR SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
Repair completion verification
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Has the malfunction symptom been eliminated?
Yes
Complete the symptom troubleshooting. (Explain contents of repair to customer)
No
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction is not resolved, replace the audio amplifier.
(Refer to the [AUDIO AMPLIFIER REMOVAL/INSTALLATION] in the workshop manual)


With Bose®


Outline

Possible cause
•  Connector or terminal malfunction of the following parts:
―  Front center speaker
―  Front door speaker
―  Tweeter
―  Front side speaker (With front side speaker)
―  Rear door speaker
―  Rear speaker
―  Bass-box
―  Audio amplifier
•  Short to ground or open circuit in speaker signal circuit
―  Front center speaker signal circuit
―  Front door speaker signal circuit
―  Tweeter signal circuit
―  Front side speaker signal circuit (With front side speaker)
―  Rear door speaker signal circuit
―  Rear speaker signal circuit
―  Bass-box signal circuit
•  Front center speaker malfunction
•  Front door speaker malfunction
•  Tweeter malfunction
•  Front side speaker malfunction (With front side speaker)
•  Rear door speaker malfunction
•  Rear speaker malfunction
•  Bass-box malfunction
•  Audio amplifier malfunction

*1  :With front side speaker
*2  :Without front side speaker
*3  :With bass-box connector 6-pin type
*4  :With bass-box connector 2-pin type


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY ALL SYSTEM DTCs
•  Perform the DTC inspection.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Are any DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
2
INSPECT SPEAKER AND AUDIO AMPLIFIER CONNECTORS FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
(Refer to the [CONNECTOR INSPECTION] in the workshop manual)
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT SPEAKER SIGNAL CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT
•  Inspect the signal circuit for a short to ground and open circuit.
(Refer to the [CIRCUIT INSPECTION] in the workshop manual)
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT SPEAKER FOR MALFUNCTION
•  Inspect the applicable part.
(Refer to the [SPEAKER INSPECTION] in the workshop manual)
•  Is the part normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
(Refer to the [FRONT CENTER SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [FRONT DOOR SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [TWEETER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [FRONT SIDE SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [REAR DOOR SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [REAR SPEAKER REMOVAL/INSTALLATION] in the workshop manual)
(Refer to the [BASS-BOX REMOVAL/INSTALLATION] in the workshop manual)
Repair completion verification
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Has the malfunction symptom been eliminated?
Yes
Complete the symptom troubleshooting. (Explain contents of repair to customer)
No
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction is not resolved, replace the audio amplifier.
(Refer to the [AUDIO AMPLIFIER REMOVAL/INSTALLATION] in the workshop manual)