Mazda MX-6 1998, Workshop Manual

Page: 1087 / 1282

TROUBLESHOOTING [AUDIO]
STEP INSPECTION ACTION
Measure voltage at terminal Q at audio
amplifier connector of wiring harness.
Is voltage B+?
Y w
u i
* Q * M K I G * C A
Z X v | * * P N L J H
*
D B
W 6 U 9 0 1 W S 5
Yes Go to next step.
No Repair wiring harness between audio unit and audio
amplifier.
Turn ignition switch to LOCK.
Disconnect audio amplifier connector.
Check for continuity between terminal V at
audio amplifier connector of wiring harness
and ground.
Is there continuity?
Yes Replace audio amplifier.
c r 0 9 -2 0 AUDIO AMPLIFIER
REMOVAL/INSTALLATION
No
Repair wiring harness between audio amplifier and
ground.
Y
w u
* Q
*
M K I G
* l
C A
z
X V * * p N L J H
*
D B
W 6 U 9 0 1 W S 6
2 Some speakers do not operate in all cases (Radio and CD modes)
TROUBLESHOOTING HINTS
Malfunction in speaker operation signal circuit
0 Some speakers do not operate (Equipped without BOSE speaker)
• Audio unit malfunction
• Speaker malfunction
• Malfunction in wiring harness between audio unit and speaker
© Some speakers do not operate (Equipped with BOSE speaker)
• Audio unit malfunction
• Speaker malfunction
• Audio amplifier malfunction
• Malfunction in wiring harness between audio unit and audio amplifier
• Malfunction in wiring harness between audio amplifier and speaker
STEP INSPECTION ACTION
1 Turn ignition switch to ACC.
Play CD and set volume control knob to
appropriate position.
Determine speaker which does not operate
turning bass/balance control knob and
treble/fader control knob.
Remove speaker which does not operate,
e r 09 20 DOOR SPEAKER
REMOVAL/INSTALLATION
nr 0 9 -2 0 REAR SPEAKER
REMOVAL/INSTALLATION
Inspect speaker.
Icr 0 9 -2 0 DOOR SPEAKER INSPECTION
tr 0 9 -2 0 REAR SPEAKER INSPECTION
Is speaker okay?
Yes Equipped without BOSE speaker:
Go to next step.
Equipped with BOSE speaker:
Go to step 3.
No
Replace speaker.
c r 0 9 -2 0 DOOR SPEAKER
REMOVAL/INSTALLATION
tr 0 9 -2 0 REAR SPEAKER REMOVAL/INSTALLATION
0 9 -0 1 N -4