Remote Audio Control Switch Symptom Diagnosis (If Equipped); Navigation Symptom Diagnosis (If Equipped) - Suzuki SX4 Service Manual

9C-14 Instrumentation / Driver Info. / Horn:
Condition
CD player is operative,
but all speakers does not
sound
Individual speaker is
noisy or inoperative
Sound quality or volume
is poor
Auto Volume Control System
Condition
Sound volume does not
vary according to
changes of vehicle speed

Remote Audio Control Switch Symptom Diagnosis (If Equipped)

Condition
Audio system is
operative, but remote
control switch does not
control audio system

Navigation Symptom Diagnosis (If Equipped)

Condition
No displaying of
navigation
Possible cause
Wiring or grounding faulty
Radio assembly faulty
Wiring or grounding faulty
Speaker faulty
Radio assembly faulty
CD-ROM faulty
Wiring or grounding faulty
Speaker installed incorrectly
Speaker faulty
Possible cause
Auto volume control system is "OFF"
mode
Vehicle speed signal faulty
Wiring or grounding faulty
BCM faulty
Radio assembly faulty
Possible cause
Remote audio control switch faulty
Contact coil faulty
Wiring or grounding faulty
Radio assembly faulty
Possible cause
Circuit fuse Blown
Wiring or grounding faulty
Navigation unit faulty
Correction / Reference Item
Repair circuit.
Replace radio assembly.
Repair circuit.
Replace speaker.
Replace radio assembly.
—
Repair circuit.
Install correctly.
Replace speaker.
Correction / Reference Item
Select auto volume control.
Check vehicle speed signal referring to
"Vehicle Speed Signal Inspection (For Audio
Unit) (If Equipped)".
Repair circuit.
Check input and output signal of BCM referring
to "Inspection of BCM and Its Circuits in
Section 10B".
Replace radio assembly.
Correction / Reference Item
Check remote audio control switch referring to
"Remote Audio Control Switch Inspection (If
Equipped)".
Replace contact coil.
Repair circuit.
Replace radio assembly.
Correction / Reference Item
Replace fuse and check for short circuit.
Repair circuit.
Replace unit.
S7RW0A9304018
S7RW0A9304019