Suzuki 2006 SX4, Service Manual

Page: 1291 / 1478

Instrumentation / Driver Info. / Horn: 9C-12
Audio System Symptom Diagnosis (If Equipped)
S6RW0C9304017
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.
Condition Possible cause Correction / Reference Item
Poor radio reception Out of service area (Poor location) —
Antenna faulty Replace antenna.
Electrical part / system faulty Repair or replace electrical part / system
referring to after-mentioned NOTE.
Wiring or grounding faulty Repair circuit.
Radio assembly faulty Replace radio assembly.
Radio does not operate
and speaker does not
sound Circuit fuse(s) blown Replace fuse(s) and check for short circuit.
Wiring or grounding faulty Repair circuit.
Radio assembly faulty Replace radio assembly.
Radio does not operate,
but speaker sound Wiring or grounding faulty Repair circuit.
Radio assembly faulty Replace radio assembly.
Radio is operative, but all
speakers does not sound Wiring or grounding faulty Repair circuit.
Radio assembly faulty Replace radio assembly.
Individual speaker is
noisy or inoperative Wiring or grounding faulty Repair circuit.
Speaker faulty Replace speaker.
Radio assembly faulty Replace radio assembly.
Sound quality is poor Out of service area (Poor location) —
Speaker installed incorrectly Install correctly.
Wiring or grounding faulty Repair circuit.
Speaker faulty Replace speaker.
Radio assembly faulty Replace radio assembly.