G37x Coupe AWD V6-3.7L (VQ37VHR) (2009)
Is the inspection result normal?
YES - INSPECTION END
NO - Replace rear window defogger relay.
Component Function Check
REAR WINDOW DEFOGGER SWITCH
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Check that the indicator lamp of rear window defogger illuminates when rear window defogger switch ON.
Is the inspection result normal?
YES - Rear window defogger switch function is OK.
NO - Refer to See: Rear Window Defogger Switch/Diagnosis Procedure
Diagnosis Procedure
REAR WINDOW DEFOGGER SWITCH
Description
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The rear window defogger is operated by turning the rear window defogger switch ON.
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The indicator lamp in the rear window defogger illuminates when the rear window defogger is operating.
REAR WINDOW DEFOGGER SWITCH
Diagnosis Procedure
1.CHECK MULTIFUNCTION SWITCH (REAR WINDOW DEFOGGER SWITCH)
Does multifunction switch operate normally?
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Base audio without navigation. Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and Inspection/Scan
Tool Testing and Procedures/Base Audio Without Navigation/Diagnosis Description
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BOSE audio without navigation. Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and Inspection/Scan
Tool Testing and Procedures/Diagnosis System (AV Control Unit)/Bose Audio Without Navigation
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BOSE audio with navigation. Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and Inspection/Scan
Tool Testing and Procedures/Diagnosis System (AV Control Unit)/Bose Audio With Navigation
Is the inspection result normal?
YES - INSPECTION END
NO - Replace multifunction switch (rear window defogger switch). Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact
Disc/Service and Repair/Base Audio Without Navigation/Multifunction Switch/Removal And Installation
Rear Window Defogger And Door Mirror Defogger Do Not Operate
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPERATE.
Diagnosis Procedure
1.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to See: Power Supply And Ground Circuit.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace the malfunctioning parts.
2.CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch. Refer to See: Rear Window Defogger Switch/Component Function Check.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace the malfunctioning parts.
3.CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay. Refer to See: Rear Window Defogger Relay/Component Function Check.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace the malfunctioning parts.
4.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?