Nissan Altima 2007-2012 Service Manual: Audio unit
Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK? YES >> GO TO 2
NO >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M43.
2. Check voltage between the audio unit connector M43 and ground.
Are the voltage results as specified? YES >> GO TO 3
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.GROUND CIRCUIT CHECK
Inspect audio unit case ground.
Does case ground pass inspection? YES >> Inspection End.
NO >> Repair audio unit case ground.
Bose speaker AMP
Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER ...
Other materials:
Trouble diagnosis - specification
value
Description
The specification (SP) value indicates the tolerance of the value that is
displayed in “SPEC” of “DATA MONITOR”
mode of CONSULT-III during normal operation of the Engine Control System. When
the value in “SPEC”
of “DATA MONITOR” mode is within the SP value, the En ...
P1550 battery current sensor
Description
The power generation voltage variable control enables fuel consumption to be
decreased by reducing the
engine load which is caused by the power generation of the generator. The
battery current sensor is installed
to the battery cable at the negative terminal. The sensor measures ...
Refrigerant pressure sensor
Removal and Installation for Refrigerant Pressure
Sensor
REMOVAL
1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service
Procedure".
2. Remove the front grille. Refer to EXT-17, "Removal and Installation".
3. Disconnect the refrigerant pressure sensor ...