Nissan Altima 2007-2012 Service Manual: Tweeter (sedan)
Description
The audio unit sends audio signals to the tweeters using the door speaker circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect tweeter connector (B).
2. Check continuity between audio unit harness connector M43 (A) and suspect tweeter harness connector (B).
3. Check continuity between audio unit harness connector M43 (A) and ground.
Are the continuity results as specified? YES >> GO TO 2
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.TWEETER SIGNAL CHECK
1. Connect audio unit connector and tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified? YES >> Replace tweeter. Refer to AV-73, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-72, "Removal and Installation".
Front tweeter (coupe)
Description
The audio unit sends audio signals to the front tweeters using the door
speaker circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect ...
Rear speaker
Description
The audio unit sends audio signals to the rear speakers using the rear
speaker circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect s ...
Other materials:
IPDM-E branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the IPDM E/R for damage, bend and loose
connection (unit side
and connector side).
Is the i ...
Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and
Canadian Provinces, your vehicle may be required
to be in what is called the “ready condition”
for an Inspection/Maintenance (I/M) test of
the emission control system.
The vehicle is set to the “ready condition” when it
is driven through c ...
Vehicle phonebook
To access the vehicle phonebook:
1. Press the button on the
control panel.
2. Select the “Phonebook” key.
3. Choose the desired entry from the displayed
list.
4. The number of the entry will be displayed on
the screen. Touch the number to initiate dialing.
NOTE:
To scroll quickly th ...