IDX INFINITI QX4 2001 Factory Service Manual

SchematicNBEL0080
MEL817L
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IDX
AUDIO
Schematic
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MEL819L
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AUDIO
Wiring Diagram Ð AUDIO Ð (Cont'd)
EL-163

MEL821L
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AUDIO
Wiring Diagram Ð AUDIO Ð (Cont'd)
EL-165

InspectionNBEL0083AUDIO UNIT AND AMP.NBEL0083S01All voltage inspections are made with:
IIgnition switch ON or ACC
IAudio unit ON
IAudio unit and amps. connected (If audio unit or amp. is removed for inspection, supply a ground to the
case using a jumper wire.)
ANTENNANBEL0083S021. Using a jumper wire, clip an auxiliary ground between antenna and body.
IIf reception improves, check antenna ground (at body surface).
IIf reception does not improve, check main feeder cable for short circuit or open circuit.
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AUDIO
Inspection
EL-167

System DescriptionNBEL0084Power is supplied at all times
Ithrough 7.5A fuse [No. 24, located in the fuse block (J/B)]
Ito power antenna terminal 6.
Ground is supplied to the power antenna terminal 2 through body grounds M4, M66 and M147.
When the audio unit is turned to the ON position, battery positive voltage is supplied
Ithrough audio unit terminal 5
Ito power antenna terminal 4.
The antenna raises and is held in the extended position.
When the audio unit is turned to the OFF position, battery positive voltage is interrupted
Ifrom audio unit terminal 5
Ito power antenna terminal 4.
The antenna retracts.GI
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AUDIO ANTENNA
System Description
EL-169

Trouble DiagnosesNBEL0086POWER ANTENNANBEL0086S01
Symptom Possible causes Repair order
Power antenna does not
operate.1. 7.5A fuse
2. Audio unit signal
3. Grounds M4, M66 and M1471. Check 7.5A fuse [No. 24, located in fuse block (J/B)].
Verify that battery positive voltage is present at termi-
nal 6 of power antenna.
2. Turn ignition switch and audio unit ON. Verify that
battery positive voltage is present at terminal 4 of
power antenna.
3. Check grounds M4, M66 and M147.
Location of AntennaNBEL0087
YEL067K
MEL036G
Antenna Rod ReplacementNBEL0088REMOVALNBEL0088S011. Remove antenna nut and antenna base.
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AUDIO ANTENNA
Trouble Diagnoses
EL-171

System DescriptionNBEL0206OUTLINENBEL0206S01Electric sunroof system consists of
ISunroof switch
ISunroof motor
IPower window relay
ISmart entrance control unit
Smart entrance control unit controls retained power operation.
OPERATIONNBEL0206S02The sunroof can be opened or closed and tilted up or down with the sunroof switch.
AUTO OPERATIONNBEL0206S03The power sunroof AUTO feature makes it possible to open and close the sunroof without holding the sunroof
switch in the down or up position.
RETAINED POWER OPERATIONNBEL0206S04When the ignition switch is turned to OFF position from ON or START position, power is supplied for 45 sec-
onds
Ito power window relay terminal 2
Ifrom smart entrance control unit terminal 5.
Ground is always supplied
Ito power window relay terminal 1
Ithrough body grounds.
When power and ground are supplied, power window relay continues to be energized, and the electrical sun-
roof can be operated.
The retained power operation is canceled when the driver or passenger side door is opened.
INTERRUPTION DETECTION FUNCTIONNBEL0206S05The CPU of sunroof motor monitors the sunroof motor operation and the sunroof position (full closed or other)
for sunroof by the signals from encoder and limit switch in sunroof motor.
When sunroof motor detects interruption during the following close operation,
Iautomatic close operation when ignition switch is in the ªONº position
Iautomatic close operation during retained power operation
sunroof switch controls the motor for open and the sunroof will operate about 150 mm (5.91 in).
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POWER SUNROOF
System Description
EL-173

MEL826L
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POWER SUNROOF
Wiring Diagram Ð SROOF Ð (Cont'd)
EL-175

Wiring Diagram Ð MIRROR ÐNBEL0090
MEL827L
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DOOR MIRROR
Wiring Diagram Ð MIRROR Ð
EL-177

Wiring Diagram Ð TLID ÐNBEL0091
MEL828L
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IDX
GLASS HATCH OPENER
Wiring Diagram Ð TLID Ð
EL-179