TL V6-3.2L (2004)
Speaker: Testing and Inspection
Speaker Test
The audio unit has a speaker self-diagnostic function. To run the self-diagnostic function, do the following:
Entering the Self-diagnostic Function
1. Turn the ignition switch ACC (I).
2. Press and hold the" Preset 1, Preset 3 and Power" buttons at the same time.
NOTE:
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If the audio unit enters the self-diagnostic mode, the following will occur.
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Radio tunes to FM 97.9 MHz
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DIAGNOSTIC (DIAG) is displayed.
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FM 97.9 MHz is broadcast through the selected speaker.
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The buttons that operate are Volume Up/Down, Seek +1-, and radio remote switch input for CH +1- and Volume Up/Down.
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If the audio unit does not enter the self-diagnostic function, turn the ignition switch OFF and repeat step 1 and step 2.
3. Cycle up or down with the radio remote switch "CH +1-" button or the radio unit "Seek +1-" button and check each speaker.
-1 Driver's door speaker and left tweeter
-2 Front center speaker
-3 Front passenger's door speaker and right tweeter
-4 Right rear speaker
-5 Subwoofer
-6 Left rear speaker
-7 All speakers
4. If any speaker does not sound, check for an open in the wire between the audio unit and its speaker. If the wire harness is OK, replace its speaker.
Exiting the Self-diagnostic Function
Turn the ignition switch OFF.
