SYMPTOM TROUBLESHOOTING [AUDIO]
AUDIO
FOREWORD
• Refer to section 00 and thoroughly read and understand the basic flow of troubleshooting in order to
properly perform the procedures.
• For the steps that have an asterisk (*), inspect the connector/terminal connection for continuity and
damage. If the connection is poor, reconnect it, or repair or replace the appropriate parts if necessary.
TROUBLESHOOTING INDEX
• To diagnose the appropriate area, use the chart below to verify the symptoms.
No. TROUBLESHOOTING ITEM DESCRIPTION PAGE
1
ALC (automatic level control) do not
operate. (ABS HU/CM or DSC
HU/CM operates normally.)
• Malfunction in
vehicle speed signal
line audio unit.
(See NO.1 ALC (AUTOMATIC
LEVEL CONTROL) DO NOT
OPERATE. (ABS HU/CM
OPERATES NORMALLY.) )
NO.1 ALC (AUTOMATIC LEVEL CONTROL) DO NOT OPERATE. (ABS HU/CM
OPERATES NORMALLY.)
1 ALC (automatic leveI contorol) do not operate. (ABS HU/CM operates normally.)
TROUBLESHOOTING HINTS
• Malfunction in vehicle speed signal line of audio unit.
Audio unit malfunction
ABS HU/CM malfunction
Malfunction in wiring harness between audio unit and ABS HU/CM
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