Test Point 5

Test point 5
Speedometer A, navigation unit

Open circuit/short to ground/short to B+

Fault code 24

Open circuit/short to ground/short to B+
1. Pull off plug on the navigation unit.
2. Pull off plug I on the instrument cluster
3. Check lead from navigation unit plug pin 3 to plug I pin 13 for continuity and short to ground or short to B+.

NOTE: The lead is routed via jumper plug 1 on relay carrier 1.