Data Signal Circuit between Navigation Receiver Assembly and Extension Module
The stereo component tuner assembly sends the image data signal to the navigation receiver assembly via this circuit.
WIRING DIAGRAM
PROCEDURE
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:
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| 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.

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