Nissan Altima 2007-2012 Service Manual: Tweeter (sedan)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front tweeters using the audio signal circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B122 and suspect tweeter connector.
2. Check continuity between BOSE speaker amp. harness connector B122 (A) and suspect tweeter harness connector (B).
3. Check continuity between BOSE speaker amp. harness connector B122 (A) and ground.
Are continuity test 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 BOSE speaker amp. connector B122 and suspect tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between BOSE speaker amp. harness connector B122 terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified? YES >> Replace suspect tweeter. Refer to AV-217, "Removal and Installation".
NO >> GO TO 3
3.HARNESS CHECK
1. Disconnect audio unit connector M43 and BOSE speaker amp.
connector B121.
2. Check continuity between audio unit harness connector M43 (A) and BOSE speaker amp. harness connector B121 (B).
3. Check continuity between audio unit harness connector M43 (A) and ground.
Are continuity test results as specified? YES >> GO TO 4
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.TWEETER SIGNAL CHECK
1. Connect audio unit connector and BOSE speaker amp. connector.
2. Turn ignition switch ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M43 terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified? YES >> Replace BOSE speaker amp. Refer to AV-216, "Removal and Installation - Coupe".
NO >> Replace audio unit. Refer to AV-215, "Removal and Installation".
Front tweeter (coupe)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the front tweeters using the audio signal
circui ...
Center speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the center speaker using the audio signal
circui ...
Other materials:
IPDM E/R (Intelligent power distribution
module engine room)
Diagnosis Procedure
1. CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected
circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. Tu ...
Rear combination lamp
Bulb Replacement
Removal
1. Remove the rear combination lamp. Refer to EXL-260, "Removal and
Installation".
2. Turn the rear turn signal lamp bulb socket counterclockwise and remove it.
3. Remove the rear turn signal lamp bulb.
Installation
Installation is in the reverse order ...
Door outside molding
Removal and Installation
1. Front door outside molding
2. Rear door outside molding
Front Door Outside Molding
Removal
1. Open the front door window fully.
2. Remove the side view mirror. Refer to MIR-19, "Removal and Installation".
3. Lift and twist from rear side, disconn ...