Audio System Description: Inspection

W/O Power Amplifier, Inspect Radio Receiver Assembly Circuit

Fig 1: Identifying Connector A & B Terminals For Radio Receiver W/O Power Amplifier (Wire Harness Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the connectors from the radio receiver assembly, and inspect the connector on the wire harness side.

Fig 2: Connector B Terminal Specifications For Radio Receiver W/O Power Amplifier
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
W/Power Amplifier, Inspect Radio Receiver Assembly Circuit
NOTE:
Check the wire harness between radio receiver assembly and the CD auto changer, between radio receiver assembly and power amplifier.

Disconnect the connectors from the radio receiver assembly, and inspect the connector on the wire harness side.

Fig 3: Identifying Connector Terminals For Radio Receiver W/Power Amplifier (Wire Harness Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Connector Terminal Specifications For Radio Receiver W/Power Amplifier
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the circuit is not as specified, inspect the circuits connected to other parts.
Inspect Power Amplifier Circuit

Fig 5: Identifying Connector A & B Terminals For Power Amplifier Circuit (Wire Harness Side)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the connector from power amplifier and inspect the connector on the wire harness side.

Fig 6: Connector A & B Terminal Specifications For Power Amplifier Circuit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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