Audio System: Inspection

Inspect Power Amplifier Circuit
Disconnect the connector from power amplifier and inspect the connector on the wire harness side.

Fig 1: Displaying Wire Harness Side Of Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Displaying Tester Connection Based On Conditions
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the circuit is not as specified, inspect the circuits connected to other parts.
Inspect Radio Receiver Assembly Circuit
Disconnect the connectors from the radio receiver assembly, and inspect the connector on the wire harness side.

Fig 3: Displaying Wire Harness Side Of Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Displaying Tester Connection Based On Conditions
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

NOTE: Check the wire harness between radio receiver assembly and the CD auto changer and between radio receiver assembly and power amplifier.