Nissan Altima (L32) 2007-2012 Service Manual: Rear 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 rear tweeters using the audio signal circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connectors B121, B122 and suspect tweeter connector.
2. Check continuity between BOSE speaker amp. harness connectors B121 (A) and B122 (B) and suspect tweeter harness connector (C).
3. Check continuity between BOSE speaker amp. harness connectors B121 (A) and B122 (B) and ground.
Are the continuity test results as specified? YES >> GO TO 2
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.REAR DOOR SPEAKER SIGNAL CHECK
1. Connect BOSE speaker amp. connectors and suspect tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between BOSE speaker amp. harness connectors B121 (A) and B122 (B) terminals with CONSULT-III or oscilloscope.
Are audio signal voltage readings as specified? YES >> Replace suspect tweeter. Refer to AV-221, "Removal and Installation - Coupe".
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 the continuity test results as specified? YES >> GO TO 4
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.REAR DOOR SPEAKER SIGNAL CHECK
1. Connect audio unit connector M43 and BOSE speaker amp.
connector B121.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M43 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading 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".
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 ...
Rear door speaker (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 rear door speakers using the audio signal
ci ...
Other materials:
Forward-facing child restraint
installation using LATCH
For additional information, see all Warnings
and Cautions in "Child safety" and
"Child restraints" before installing a
child restraint.
Do not use the lower anchors if the combined
weight of the child and the child restraint
exceeds 65 lbs. (29.5 kg). If the combined
weight of the child and the chi ...
Engine compartment check locations
QR25DE engine
1. Power steering fluid reservoir
2. Engine coolant reservoir
3. Engine oil filler cap
4. Brake fluid reservoir
5. Air cleaner
6. Fuse block/ Fusible links
7. Battery
8. Engine oil dipstick
9. Radiator cap
10. Drive belt location
11. Windshield-washer fluid reservoir
VQ ...
DLC 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 data link connector for damage,
bend and loose connection
(connector side and harness side) ...
