Test A: The Control Illumination Is Inoperative - All Hardwired Illumination

PINPOINT TEST A: THE CONTROL ILLUMINATION IS INOPERATIVE - ALL HARDWIRED ILLUMINATION

Normal Operation
The smart junction box (SJB) sends a pulse-width modulated (PWM) voltage to the dimmable illumination sources based on input received from the instrument panel dimmer switch.

This pinpoint test is intended to diagnose the following:
- Fuse
- Instrument panel dimmer switch
- SJB

A1-A3: