FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Check, Speed Signal



Check, Speed Signal





Unplug the connector:
- Main instrument unit 12-pin connector (540)









- Connect a test lamp to pin 10 of the MIU (K12).





- Rotate the LH rear wheel.





- The test lamp should flash.

Is the function correct?

NO - Continue with Check, Speed Signal.

YES - Final Check





Check the lead and repair or replace it as necessary.

After performing this procedure Final Check