Toyota Venza: Data Signal Circuit between Navigation Receiver Assembly and Extension Module

Toyota Venza Service Manual / Navigation / Multi Info Display / Navigation System / Data Signal Circuit between Navigation Receiver Assembly and Extension Module

DESCRIPTION

The stereo component tuner assembly sends the image data signal to the navigation receiver assembly via this circuit.

WIRING DIAGRAM

PROCEDURE

1.	CHECK NAVIGATION WIRE

(a) Remove the navigation wire (See page ).

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
V9-1 (USV4) - V5-1 (USV4)	Always	Below 1 Ω
V9-2 (US4-) - V5-2 (US4-)	Always	Below 1 Ω
V9-3 (US4+) - V5-3 (US4+)	Always	Below 1 Ω
V9-4 (UGD4) - V5-4 (UGD4)	Always	Below 1 Ω
V9-5 (USG4) - V5-5 (USG4)	Always	Below 1 Ω
V9-1 (USV4) - Body ground	Always	10 kΩ or higher
V9-2 (US4-) - Body ground	Always	10 kΩ or higher
V9-3 (US4+) - Body ground	Always	10 kΩ or higher
V9-4 (UGD4) - Body ground	Always	10 kΩ or higher
V9-5 (USG4) - Body ground	Always	10 kΩ or higher

Text in Illustration

Front view of navigation wire connector

(to Navigation Receiver Assembly)

Front view of navigation wire connector

(to Stereo Component Tuner Assembly)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPLACE NAVIGATION WIRE

Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter

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