Normal Operation

When the parking lamps are on, the Smart Junction Box (SJB) supplies a Pulse Width Modulated (PWM) voltage to the dimmable components.

• DTC B2A32 (LED Backlighting Output Circuit Open) - an on-demand DTC that sets when the SJB  detects a short to voltage from the backlighting output circuit.

  This pinpoint test is intended to diagnose the following: 

• Wiring, terminals or connectors
• SJB