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Home >> Isuzu >> 2007 >> Ascender 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 439 (Cellular System, Entertainment System & Navigation System) >> Diagnostic Information and Procedures >> Navigation System - Vehicle Position Indicator Inoperative or Erratic >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Radio ON, switch to the navigation screen on the radio. Drive the vehicle greater than 15 mph. Verify that the navigation screen shows that the vehicle is moving.

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