Navigation / Multi Info Display

Data Signal Circuit between Navigation Receiver Assembly and Extension Module

~1min read
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

*a

Front view of navigation wire connector

(to Navigation Receiver Assembly)

*b

Front view of navigation wire connector

(to Stereo Component Tuner Assembly)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPLACE NAVIGATION WIRE

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.