Nissan Altima 2007-2012 Service Manual: Satellite radio tuner
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. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B123.
3. Check voltage between the satellite radio tuner (factory installed) 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 satellite radio tuner (factory installed) case ground.
Does case ground pass inspection? YES >> Inspection End.
NO >> Repair satellite radio tuner (factory installed) case ground.
Power supply and ground circuit (sedan)
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 cau ...Door speaker (coupe)
Description The audio unit sends audio signals to the door speakers using the door speaker circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect audio unit connector M43 (A) and suspect s ...Other materials:
Intelligent key system/engine start function
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
• The engine start function of Intelligent Key system is a system that makes
it possible to start and stop the
engine without removing the key. It verifies the electronic ID using two-way
communications w ...
P0840 transmission fluid pressure
sensor A (sec pressure sensor)
Description
The transmission fluid pressure sensor A (secondary pressure sensor) detects
secondary pressure of CVT
and sends TCM the signal.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn
igni ...
Auto operation does not operate
but manual operates normally
(driver side)
Diagnosis Procedure
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
Refer to PWC-108, "POWER WINDOW MAIN SWITCH : Special Repair Requirement".
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace the malfunctioning parts.
2. ...