Nissan Altima 2007-2012 Service Manual: Sound signal circuit (coupe)
SATELLITE RADIO TUNER
Description
Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits.
Diagnosis Procedure
LEFT CHANNEL
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.
Are continuity results as specified? YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK LEFT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed) connector B57 terminals 21 and 22 with CONSULT-III or oscilloscope.
Are voltage readings as specified? YES >> Replace audio unit. Refer to AV-215, "Removal and Installation".
NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Coupe".
RIGHT CHANNEL
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.
Are continuity results as specified? YES >> GO TO 2
NO >> Repair harness or connector.
2.CHECK RIGHT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed) connector B57 terminals 23 and 24 with CONSULT-III or oscilloscope.
Are voltage readings as specified? YES >> Replace audio unit. Refer to AV-215, "Removal and Installation".
NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Coupe".
Communication signal circuit (sedan) satellite radio tuner
Description
Communication signals are exchanged between the audio unit and satellite
radio tuner using the communication
circuits.
Diagnosis Procedure
1.CHECK HARNESS - 1
1. Turn ig ...
Sound signal circuit (sedan)
SATELLITE RADIO TUNER
Description
Left and right channel audio signals are supplied from the satellite radio
tuner to the audio unit through the
sound signal circuits.
Diagnosis Procedur ...
Other materials:
P0455 Evap control system
DTC Logic
DTC DETECTION LOGIC
This diagnosis detects a very large leakage (fuel filler cap fell off etc.)
in EVAP system between the fuel tank
and EVAP canister purge volume control solenoid valve.
CAUTION:
• Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect
...
Relay control system
System Diagram
System Description
IPDM E/R activates the internal control circuit to perform the relay ON-OFF
control according to the input signals
from various sensors and the request signals received from control units via CAN
communication.
CAUTION:
IPDM E/R integrated relays cannot ...
Power distribution system
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
• PDS (POWER DISTRIBUTION SYSTEM) is the system that BCM controls with the
operation of the pushbutton
ignition switch and performs the power distribution to each power circuit. This
system is used instead
of the mechanical ...