Downloaded from www.Manualslib.com manuals search engine 9C-12 Instrumentation / Driver Info. / Horn:
Audio System Symptom Diagnosis (If Equipped)S6RW0D9304017
Radio
NOTE
Electronic part / system with undiagnosed problem may cause electromagnetic interference.
Electromagnetic interference condition may have poor radio reception. To test for presence of
electromagnetic interference in part / system, perform the following procedures.
1. Turn ignition switch to OFF.
2. Systematically disconnect the electronic part / system connector(s) one at a time.
3. Turn ignition switch to ON.
4. Check any improvement in radio reception.
CD PlayerCondition Possible cause Correction / Reference Item
Poor radio receptionOut of service area (Poor location)—
Antenna faultyReplace antenna.
Electrical part / system faultyRepair or replace electrical part / system
referring to after-mentioned NOTE.
Wiring or grounding faultyRepair circuit.
Radio assembly faultyReplace radio assembly.
Radio does not operate
and speaker does not
soundCircuit fuse(s) blownReplace fuse(s) and check for short circuit.
Wiring or grounding faultyRepair circuit.
Radio assembly faultyReplace radio assembly.
Radio does not operate,
but speaker soundWiring or grounding faultyRepair circuit.
Radio assembly faultyReplace radio assembly.
Radio is operative, but all
speakers does not soundWiring or grounding faultyRepair circuit.
Radio assembly faultyReplace radio assembly.
Individual speaker is
noisy or inoperativeWiring or grounding faultyRepair circuit.
Speaker faultyReplace speaker.
Radio assembly faultyReplace radio assembly.
Sound quality is poorOut of service area (Poor location)—
Speaker installed incorrectlyInstall correctly.
Wiring or grounding faultyRepair circuit.
Speaker faultyReplace speaker.
Radio assembly faultyReplace radio assembly.
Condition Possible cause Correction / Reference Item
CD-ROM does not insertAnother CD-ROM already insertedEject CD-ROM.
Circuit fuse blownReplace fuse and check for short circuit.
Wiring or grounding faultyRepair circuit.
Extraneous material come to be mixed
CD playerClear extraneous material from CD player or
replace radio assembly.
Radio assembly faultyReplace radio assembly.
CD-ROM does not ejectCircuit fuse blownReplace fuse and check for short circuit.
Wiring or grounding faultyRepair circuit.
Extraneous material come to be mixed
in CD playerClear extraneous material from CD player or
replace radio assembly.
Radio assembly faultyReplace radio assembly.
CD player does not load
CD-ROMCD-ROM faulty—
CD-ROM inserted with incorrect side upInsert correctly.
Temperature in cabin is too hot—
Water droplets form on internal lensDry about 1 hour with power on.
Radio assembly faultyReplace radio assembly.
Sound skips or is noisyCD-ROM faulty—
Driving vibration—
Water droplets form on internal lensDry about 1 hour with power on.
Radio assembly installed incorrectlyInstall correctly.
Radio assembly faultyReplace radio assembly.
Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-13
Auto Volume Control System
Remote Audio Control Switch Symptom Diagnosis (If Equipped)S6RW0D9304018
Navigation Symptom Diagnosis (If Equipped)S6RW0D9304019
CD player is operative,
but all speakers does not
soundWiring or grounding faultyRepair circuit.
Radio assembly faultyReplace radio assembly.
Individual speaker is
noisy or inoperativeWiring or grounding faultyRepair circuit.
Speaker faultyReplace speaker.
Radio assembly faultyReplace radio assembly.
Sound quality or volume
is poorCD-ROM faulty—
Wiring or grounding faultyRepair circuit.
Speaker installed incorrectlyInstall correctly.
Speaker faultyReplace speaker. Condition Possible cause Correction / Reference Item
Condition Possible cause Correction / Reference Item
Sound volume does not
vary according to
changes of vehicle speedAuto volume control system is “OFF”
modeSelect auto volume control.
Vehicle speed signal faultyCheck vehicle speed signal referring to
“Vehicle Speed Signal Inspection (For Audio
Unit) (If Equipped)”.
Wiring or grounding faultyRepair circuit.
BCM faultyCheck input and output signal of BCM referring
to “Inspection of BCM and Its Circuits in
Section 10B”.
Radio assembly faultyReplace radio assembly.
Condition Possible cause Correction / Reference Item
Audio system is
operative, but remote
control switch does not
control audio systemRemote audio control switch faultyCheck remote audio control switch referring to
“Remote Audio Control Switch Inspection (If
Equipped)”.
Contact coil faultyReplace contact coil.
Wiring or grounding faultyRepair circuit.
Radio assembly faultyReplace radio assembly.
Condition Possible cause Correction / Reference Item
No displaying of
navigationCircuit fuse BlownReplace fuse and check for short circuit.
Wiring or grounding faultyRepair circuit.
Navigation unit faultyReplace unit.
