Mazda MX-6 1998, Workshop Manual

Page: 1088 / 1282

TROUBLESHOOTING [AUDIO]
STEP
INSPECTION ACTION
Remove audio unit.
c r 0 9 -2 0 AUDIO UNIT REMOVAL
Check for continuity between following
terminals of audio unit connector of wiring
harness and speaker connector of wiring
harness.
Is there continuity?
• 1M— B (Front right)
• 1N— A (Front right)
• 1K— B (Front left)
• 1L— A (Front left)
• 2F— B (Rear right)
• 2H— A (Rear right)
• 2A— B (Rear left)
• 2B— A (Rear left)
1M 1K
X
1E 1C 1A
1N 1L
1J11H 1F 1D *
A
tu
*
X
*
2A
*
2 H Ì 2 F
* 2B
1 A I B I * t1
W 6 U 9 0 1 W S 7
Yes Replace audio unit.
c r 0 9-20 AUDIO UNIT INSTALLATION
No Repair wiring harness between audio unit and speaker.
With connector still connected, remove audio
unit.
tr
0 9 -2 0 AUDIO UNIT REMOVAL
Turn ignition switch to ACC.
Audio power switch is on.
Measure voltage at following terminals of
audio unit connector of wiring harness.
Is voltage
1 V or more?
Yes Go to next step.
1K
1L
1M
1N
2A
2B
2F
2H
No
* * 2A
* 2H 12F
* 2B
Replace audio unit.
c r
0 9-20 AUDIO UNIT INSTALLATION
1M 1K
> r <
1E 1C 1A
1N 1L
1J 11H 1F 1D *
t ® -
fi
W 6 U 9 0 1 W S 8
0 9 -0 1 N -5