2007 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2007  Factory Service Manual AUDIO
AV-37
< SERVICE INFORMATION >
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3. Check signal between satellite radio tuner (factory installed)
connector M41 terminals 23 and 24 with CONSULT-ll or oscillo-
scop

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INFINITI QX56 2007  Factory Service Manual AV-38
< SERVICE INFORMATION >
AUDIO
2. Check continuity between spiral cable terminals.
OK or NG
OK >> GO TO 4.
NG >> Replace spiral cable. Refer to SRS-37, "
Removal and Installation".
4.CHECK STEERI

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Sound Is Not Heard from Front Door Speaker or Front TweeterINFOID:0000000003533683
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. c

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INFINITI QX56 2007  Factory Service Manual AV-40
< SERVICE INFORMATION >
AUDIO
4. Check the signal between BOSE speaker amp. harness connec-
tor M113 terminals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace suspect speaker. Refer to A

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INFINITI QX56 2007  Factory Service Manual AUDIO
AV-41
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3. Push “POWER” switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT-II or oscilloscope.
OK

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INFINITI QX56 2007  Factory Service Manual AV-42
< SERVICE INFORMATION >
AUDIO
OK or NG
OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.REAR SPEAKER SIGNAL CHECK
1. Conn

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2. Check continuity between audio unit harness connector M44 ter-
minals and BOSE speaker amp. harness connector M113 termi-
nals.
3

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INFINITI QX56 2007  Factory Service Manual AV-44
< SERVICE INFORMATION >
AUDIO
Sound Is Not Heard from Center Speaker
INFOID:0000000003533685
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector M112 and center speaker connector M110.
2.