Normal Operation
The Smart Junction Box (SJB) sends a Pulse Width Modulated (PWM) voltage to the dimmable components through circuit VLN04. Ground is provided through circuits GD112 (BK/GN), GD114 (BK/BU) and GD908 (BK).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Floor shifter
- Headlamp switch
- Message center switches
- Traction assist/parking aid disable switch
- Ambient lighting switch