Normal Operation
WARNING: This page is about a different car, the 2009 Mercury Sable, 2009 Ford Taurus X, and 2009 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
The smart junction box (SJB) then supplies a pulse-width modulated (PWM) voltage signal to the dimmable illumination sources on circuit VLN04 (VT/GY). Ground is provided through circuits GD111 (BK/BU), GD133 (BK), and GD147 (BK/VT).
- DTC B2A32 (LED Backlighting Output Circuit Open) - is an on-demand DTC that sets when the SJB detects a short to voltage on the LED backlighting output circuit.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- SJB