Cellular Phone Voice Circuit between Radio Receiver and Stereo Component Amplifier (TO 12/2010): Procedure

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR

Disconnect the radio receiver assembly and stereo component amplifier assembly connectors.

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

Standard Resistance

Tester Connection	Condition	Specified Condition
E34-12 (IVO-) - E20-14 (INT-)	Always	Below 1 Ω
E34-11 (IVO+) - E20-15 (INT+)	Always	Below 1 Ω
E34-13 (SLD1) - Body ground	Always	10 kΩ or higher
E34-12 (IVO-) - Body ground	Always	10 kΩ or higher
E34-11 (IVO+) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 2

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE