Audio unit power switch will not turn on (No information display and no sound)
NOTE:
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Turn the ignition switch to ON (II).
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Push the power button on to see if audio unit turns on.
Does the audio unit display operate properly, and does the audio unit sound normal?
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YES
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Intermittent failure, the system is OK at this time.■
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NO
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Turn off the audio unit, then turn the ignition switch to LOCK (0).
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Check the No. 1 (10 A) and No. 14 (7.5 A) fuses in the under-dash fuse/relay box.
YES
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-
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NO
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Replace the fuse(s), and recheck.■
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NOTE: Eject the CD before removing the audio unit to prevent damaging the CD player′s load mechanism.
Are they connected properly?
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YES
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-
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NO
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-
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Repair poor connections and reconnect the connectors, and recheck the function.■
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Disconnect audio unit connector A (24P).
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Turn the ignition switch to ON (II).
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Measure the voltage between body ground and audio unit connector A (24P) No. 14 and No. 24 terminals individually.
Is there battery voltage?
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YES
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-
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NO
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Repair open or short in the wire(s) between the No. 1 (10 A) and No. 14 (7.5 A) fuse in the under-dash fuse/relay box and the audio unit.■
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Turn the ignition switch to LOCK (0).
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Reconnect audio unit connector A (24P).
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Turn the ignition switch to ON (II).
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