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 NAVIGATION RECEIVER ASSEMBLY

Fig 1: Inspecting Navigation Receiver Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION CHART

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

NG: REPLACE NAVIGATION RECEIVER ASSEMBLY

OK: Go to next step

CHECK HARNESS AND CONNECTOR

Disconnect the navigation receiver assembly connector N8.

Fig 2: Disconnecting Navigation Receiver Assembly Connector N8
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

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

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (MICROPHONE - NAVIGATION RECEIVER ASSEMBLY)

Fig 3: Checking Harness And Connector (Microphone - Navigation Receiver Assembly)

Disconnect the microphone connector 116 and navigation receiver assembly connector N8.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester connection	Condition	Specified condition
ACC - MACC	Always	Below 1 Ω
MIC+ - MIC+	Always	Below 1 Ω
MIC- - MIC-	Always	Below 1 Ω
MACC - 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