|
(1)Operate the M.U.T.-III to read the ETACS-ECU option coding information (Refer to
GROUP 00 -
Coding Table ).
|
|
(2)Check that the "Speaker" is set to "6 speakers".
|
|
Q.
Is the check result normal?
|
|
Operate the M.U.T.-III to set the option coding "Speaker" to "6 speakers", and
check the trouble symptom.
|
|
|
|
Perform the audio speaker check, and check which speaker does not output the sound. Refer
to .
|
|
Q.
Is the check result normal?
|
|
YES (normal for all) : 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 (abnormal for all) : Check the audio unit power supply and ground circuit, and repair if necessary.
If the audio unit power supply and ground circuit is normal, replace the audiovisual navigation
unit.
|
|
|
|
NO (Either a speaker is abnormal) : Go to Step 3.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair the defective connector.
|
|
|
|
(1)Remove the speaker or tweeter. Refer to .
|
|
(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?
|
|
Replace the speaker or tweeter.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair the defective connector.
|
|
|
|
Check the communication lines for open circuit.
|
|
- <Front door speaker (LH)> Check the wire harness between E-16 front door
speaker (LH) connector terminal No.1, 2 and C-18 audio unit connector terminal No.28, 38.
note |
Prior to the wiring harness inspection, check intermediate connector C-113 <RH drive
vehicles> or C-128 <LH drive vehicles>, and repair if necessary.
|
- <Front door speaker (RH)> Check the wire harness between E-04 front door speaker
(RH) connector terminal No.1, 2 and C-18 audio unit connector terminal No.26, 36.
note |
Prior to the wiring harness inspection, check intermediate connector C-113 <LH drive
vehicles> or C-128 <RH drive vehicles>, and repair if necessary.
|
- <Rear speaker (LH) or rear door speaker (LH)> Check the wire harness between
E-23 rear door speaker (LH) connector terminal No.1, 2 and C-18 audio unit connector terminal
No.27, 37.
note |
Prior to the wiring harness inspection, check intermediate connectors C-36 and D-23, and
repair if necessary.
|
- <Rear speaker (RH) or rear door speaker (RH)> Check the wire harness between
E-09 rear door speaker (RH) connector terminal No.1, 2 and C-18 audio unit connector terminal
No.25, 35.
note |
Prior to the wiring harness inspection, check intermediate connectors C-24 and D-36, and
repair if necessary.
|
- <Tweeter (LH)> Check the wire harness between E-13 tweeter (LH) connector terminal
No.1, 2 and C-18 audio unit connector terminal No.38, 28.
note |
Prior to the wiring harness inspection, check intermediate connector C-114 <RH drive
vehicles> or C-129 <LH drive vehicles>, and repair if necessary.
|
- <Tweeter (RH)> Check the wire harness between E-02 tweeter (RH) connector terminal
No.1, 2 and C-18 audio unit connector terminal No.36, 26.
note |
Prior to the wiring harness inspection, check intermediate connector C-114 <LH drive
vehicles> or C-129 <RH drive vehicles>, and repair if necessary.
|
|
|
Q.
Is the check result normal?
|
|
Repair the wiring harness.
|
|
|