|
Perform the audio speaker test, and check which
speaker or tweeter does not output the
sound.
|
|
Q.
Is the check result normal?
|
|
YES : The trouble can be an intermittent
malfunction (Refer to GROUP 00 - How
to Use Troubleshooting/Inspection Service Points - How to Cope
with Intermittent
Malfunction).
|
|
|
|
NO (No speakers and tweeters sound.) : Go to Step
2.
|
|
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|
NO (No sound is heard from one of the speakers
or tweeters.) :
Go to Step 7.
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|
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|
(1)Remove the speaker or tweeter.
|
![](../../../img/54/AC707572AB00ENG.png)
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(2)Check that the speaker or tweeter outputs
the noise when the voltage of 5 V is applied
to the speaker or tweeter connector terminal.
Q.
Is the check result normal?
YES <Except ERA-GLONASS
SYSTEM> :
Go to Step 5.
YES <ERA-GLONASS SYSTEM> : Go to Step 3.
Replace the speaker or
tweeter.
|
|
Check of short circuit in FR+, FR- line
e-Call relay box connector and audio
amplifier connector.
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring
harness. Then go to Step 5.
|
|
|
|
Check of short circuit in FR+, FR- line
front door speaker (RH) connector and
e-Call relay box connector.
|
|
Q.
Is the check result normal?
|
|
Replace the e-Call relay box
(Refer to ). Then
go to Step 5.
|
|
|
|
Repair the connector(s) or wiring
harness. Then go to Step 5.
|
|
|
|
Front door speaker (LH)
Check of
short circuit in FL+, FL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Front door speaker (RH) <Except
ERA-GLONASS SYSTEM>
Check of short circuit in FR+,
FR- line between front door speaker (RH)
connector and audio amplifier connector.
|
|
Front tweeter (LH)
Check of short
circuit in FL+, FL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Front tweeter (RH)
Check of short
circuit in FR+, FR- line between front door speaker (RH)
connector and audio amplifier connector.
|
|
Rear door speaker (LH)
Check of
short circuit in RL+, RL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Rear door speaker (RH)
Check of
short circuit in RL+, RL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Q.
Is the check result normal?
|
|
Repair
the connector(s) or wiring harness.
|
|
|
|
- Check of short circuit in FL+,
FL- line between audio amplifier connector and smartphone link display
audio connector.
- Check of short circuit in FR+, FR- line between audio amplifier
connector
and smartphone link display audio connector.
|
|
Q.
Is the check result normal?
|
|
Repair
the connector(s) or wiring harness.
|
|
|
|
Follow the speaker test to check which speaker
or tweeter does not sound.
|
|
(1)Remove the speaker or tweeter.
|
![](../../../img/54/AC707572AB00ENG.png)
|
(2)Check that the speaker or tweeter outputs
the noise when the voltage of 5 V is applied
to the speaker or tweeter connector terminal.
Q.
Do the speaker output the noise?
YES <Except ERA-GLONASS
SYSTEM> :
Go to Step 10.
YES <ERA-GLONASS SYSTEM> : Go to Step
8.
Replace the speaker or
tweeter.
|
|
Check of short circuit in FR+, FR- line
e-Call relay box connector and audio
amplifier connector.
|
|
Q.
Is the check result normal?
|
|
Repair the connector(s) or wiring
harness. Then go to Step 10.
|
|
|
|
Check of short circuit in FR+, FR- line
front door speaker (RH) connector and
e-Call relay box connector.
|
|
Q.
Is the check result normal?
|
|
Replace the e-Call relay box
(Refer to ). Then
go to Step 10.
|
|
|
|
Repair the connector(s) or wiring
harness. Then go to Step 10.
|
|
|
|
Follow the speaker test to check which speaker
or tweeter circuit is defective.
|
|
Front door speaker (LH)
Check of
short circuit in FL+, FL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Front door speaker (RH) <Except
ERA-GLONASS SYSTEM>
Check of short circuit in FR+,
FR- line between front door speaker (RH)
connector and audio amplifier connector.
|
|
Front tweeter (LH)
Check of short
circuit in FL+, FL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Front tweeter (RH)
Check of short
circuit in FR+, FR- line between front door speaker (RH)
connector and audio amplifier connector.
|
|
Rear door speaker (LH)
Check of
short circuit in RL+, RL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Rear door speaker (RH)
Check of
short circuit in RL+, RL- line between front door speaker (LH)
connector and audio amplifier connector.
|
|
Q.
Is the check result normal?
|
|
Repair
the connector(s) or wiring harness.
|
|
|
|
- Check of short circuit in FL+,
FL- line between audio amplifier connector and smartphone link display
audio connector.
- Check of short circuit in FR+, FR- line between audio amplifier
connector
and smartphone link display audio connector.
|
|
Q.
Is the check result normal?
|
|
Repair
the connector(s) or wiring harness.
|
|
|
|
Replace the audio amplifier, then check that
the audio sound is output.
|
|
Q.
Is the check result normal?
|
|
The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use Troubleshooting/inspection Service Points - How to Cope
with Intermittent
Malfunction).
|
|
|
|
Replace the multivision display (Refer
to ).
|
|
|