Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

RADIO RECEIVER ASSEMBLY INSPECTION








INSPECT RECEIVER ASSEMBLY CIRCUIT
Disconnect the connectors from the radio receiver assembly. 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: Check the wire harness between radio receiver assembly and the CD auto changer, between radio receiver assembly and power amplifier.

POWER AMPLIFIER INSPECTION








INSPECT AMPLIFIER CIRCUIT
Disconnect the connector from the power amplifier and inspect the connector on the wire harness side, as shown.

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

CD AUTO CHANGER INSPECTION








INSPECT CHANGER CIRCUIT
Disconnect the connectors from the CD auto changer 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:
^ Check the wire harness between the radio receiver assembly and the CD auto changer.
^ Since the signals to and from the CDL+, CDL-, CDR+, CDR- terminals are serial signals. they cannot ordinarily be measured with a tester.