The Vehicle Marker on the MAP Does Not Follow the Route Taken

The Vehicle Marker on the MAP Does Not Follow the Route Taken






Fault Symptom
The vehicle marker on the map does not follow the route taken

Conditions
The car must have driven at least 4 km.
There must be GPS reception.

Diagnostic Help
Check the speed indicator in the navigation unit while driving.

Checking The Wiring Harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits in the wiring harness. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.