Amp Sound Signal Circuit (Radio And Navigation ASSY - Amp): Wiring Diagram

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Sound Signal Wiring Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSY - STEREO COMPONENT AMPLIFIER ASSY)

Disconnect the connectors from the radio and navigation assy R7 and stereo component amplifier assy S11.

Measure the resistance according to the value(s) in SPECIFIED CONDITION .

Standard:

SPECIFIED CONDITION

Tester connection	Specified condition
L+ (R7) - L+ (S11)	Below 1 Ω
L- (R7) - L- (S11)	Below 1 Ω
R+ (R7) - R+ (S11)	Below 1 Ω
R- (R7) - R- (S11)	Below 1 Ω
L+ (R7 or S11) - Body ground	10 kΩ or higher
L- (R7 or S11) - Body ground	10 kΩ or higher
R+ (R7 or S11) - Body ground	10 kΩ or higher
R- (R7 or S11) - Body ground	10 kΩ or higher

Fig 2: Identifying Radio Navigation System

Fig 3: Identifying Stereo Components

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS TABLE )