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Pinpoint Test 1: The Audio Unit Is Inoperative/Does Not Operate Correctly




PINPOINT TEST 1: THE AUDIO UNIT IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

Normal Operation

The audio unit receives voltage through circuit (V/R) at all times, and through circuit (W/L) with the key in RUN or ACC. Ground is provided to the audio unit through circuit (B/Y) (illumination only) and circuit (B/L). With the key in RUN or ACC and the audio unit on, all functions are operational.

This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- Audio unit

CAUTION:For the CD6 audio unit, the audio unit must be placed in shipment mode before removal. See Programming and Relearning Failure to follow this instruction may result in damage to the audio unit.

CAUTION:Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

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