Nissan Altima (L32) 2007-2012 Service Manual: 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 Procedure
LEFT CHANNEL
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B123 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B123 (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 B123 terminals 21 and 22 with CONSULT-III or oscilloscope.
Are voltage readings as specified? YES >> Replace audio unit. Refer to AV-72, "Removal and Installation".
NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Sedan".
RIGHT CHANNEL
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B123 and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and audio unit connector M45 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and ground.
4. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and ground.
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 B123 terminals 23 and 24 with CONSULT-III or oscilloscope.
Are voltage readings as specified? YES >> Replace audio unit. Refer to AV-72, "Removal and Installation".
NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Sedan".
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 ...ECU diagnosis
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1. Remove the front wiper blade. Refer to WW-115, "FRONT WIPER BLADE :
Removal and Installation".
2. Hold the wiper blade refill lip at the end (A) of the front wiper
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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
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Precaution for Supplemental Restraint System
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The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
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dr ...