Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT RADIO RECEIVER

Measure the voltage according to the value (s) in the table below.

Fig 1: Identifying R16 Radio Receiver Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard voltage

STANDARD VOLTAGE SPECIFICATION

Tester connection	Condition	Specified condition
MACC - Body ground	Ignition switch ON	4 to 6V

NG: REPLACE RADIO RECEIVER

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (TSW- - SGND)

Disconnect the radio receiver connector R16.

Fig 2: Identifying R16 Radio Receiver Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value (s) in the table below.

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
TSW-SGND	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (MICROPHONE - RADIO RECEIVER)

Disconnect the microphone connector and radio receiver connector.

Fig 3: Identifying I16 Microphone And R16 Radio Receiver Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value (s) in the table below.

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
ACC - MACC	Always	Below 1 Ω
MIC+ - MIC+	Always	Below 1 Ω
MIC- - MIC-	Always	Below 1 Ω
ACC - Body ground	Always	10 kΩ or higher
MIC+ - Body ground	Always	10 kΩ or higher
MIC- - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE