Compact Disc Player (CD): Testing and Inspection

Nakamichi made:
INSPECT CD AUTO CHANGER CIRCUIT




Disconnect the connectors from the controller and inspect the connector on the wire harness side, as shown.




If circuit is not as specified, inspect the circuits connected to other parts.

HINT: Since the signals to and from the AP+, AP-, SGND, GND1 terminals are serial signals, they cannot ordinarily be measured with a tester.


Pioneer made and LEXUS navigation system:
INSPECT CD AUTO CHANGER CIRCUIT




Disconnect the connectors from the controller and inspect the connector on the wire harness side, as shown.




If circuit is not as specified, inspect the circuits connected to other parts.

HINT: Since the signals to and from the AP+, AP-, SGND, GND1 terminals are serial signals, they cannot ordinarily be measured with a tester.