Nissan Altima 2007-2012 Service Manual: Subwoofer (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 subwoofers using the audio signal circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B122 and suspect rear subwoofer connector.
2. Check continuity between BOSE speaker amp. harness connector B122 (A) and suspect rear subwoofer harness connector (B).
3. Check continuity between BOSE speaker amp. harness connector B122 (A) 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 SUBWOOFER SIGNAL CHECK
1. Connect BOSE speaker amp. connector B122 and suspect rear subwoofer 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.
Is the audio signal voltage as specified? YES >> Replace suspect rear subwoofer. Refer to AV-445, "Removal and Installation".
NO >> GO TO 3
3.HARNESS CHECK
1. Disconnect AV control unit connector M47 and BOSE speaker amp. connector B121.
2. Check continuity between AV control unit harness connector M47 (A) and BOSE speaker amp. harness connector B121 (B).
3. Check continuity between AV control unit harness connector M47 (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.REAR SUBWOOFER SIGNAL CHECK
1. Connect AV control unit connector M47 and BOSE speaker amp. connector B121.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector M47 terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified? YES >> Replace BOSE speaker amp. Refer to AV-438, "Removal and Installation - Sedan".
NO >> Replace AV control unit. Refer to AV-437, "Removal and Installation".
Subwoofer (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 subwoofers using the audio signal circuits.
D ...
AMP On signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the AV
control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Di ...
Other materials:
Inspection and adjustment
REAR VIEW MONITOR GUIDING LINE ADJUSTMENT
Description
This mode is used to modify the side distance guidelines if they are
dislocated from the rear view monitor
image, because of variations of body/camera mounting conditions.
Special Repair Requirement
1. Create a correction line to mo ...
Oil cooler
Removal and Installation
1. Oil filter
2. Oil cooler bolt
3. Water pipe
4. Water hose
5. Oil cooler
6. O-ring
7. Oil pan
8. Water pipe
9. Relief valve
10. Water drain plug
11. Copper gasket
12. Water connector
WARNING:
Be careful not to get burned, engine coolant and engine oil may ...
NISSAN Intelligent Key® With Door and Trunk Request Switches
WARNING
● Radio waves could adversely affect
electric medical equipment. Those who
use a pacemaker should contact the
electric medical equipment manufacturer
for the possible influences before
use.
● The Intelligent Key transmits radio
waves when the buttons are pressed.
The F ...