Test C: The Integrated Control Panel Illumination Is Inoperative

PINPOINT TEST C: THE INTEGRATED CONTROL PANEL ILLUMINATION IS INOPERATIVE

C1:

C1-C2:

Normal Operation
A variable pulse width modulated (PWM) voltage is supplied to the integrated control panel from the instrument panel dimmer switch on circuit 1045 (DB/WH). The integrated control panel is grounded on circuit 57 (BK).

Possible Causes
- circuit 57 (BK) open
- circuit 1045 (DB/WH) open
- integrated control panel