Normal Operation
WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The smart junction box (SJB) sends a pulse-width modulated (PWM) voltage to the dimmable components through circuit VLN04 (VT/GY) (Edge) or circuit VLN37 (BU/WH) (MKX). Ground is provided through circuits GD116 (BK/VT), GD126 (BK/WH) and GD139 (BK/YE).
This pinpoint test is intended to diagnose
- Wiring, terminals or connectors
- Floor shifter
- LH rear heated seat switch (if equipped)
- RH rear heated seat switch (if equipped)
- Manual temperature control (if equipped)
- Message center switch (if equipped)
- Memory set switch (MKX)
- Window adjust switches (MKX)
- Door lock control switches (MKX)
- Headlamp switch
- Hazard/passenger air bag disable/traction control switch (if equipped)
- Power liftgate release switch
- Roof opening panel switch (if equipped)