Test E: The Instrument Panel Illumination Does Not Dim
PINPOINT TEST E: THE INSTRUMENT PANEL ILLUMINATION DOES NOT DIME1-E2:
E2-E4:
E5-E7:
Normal Operation
The instrument panel dimmer switch is an input to the instrument cluster through circuit 1011 (TN/OG). The instrument panel dimmer switch is grounded through circuit 570 (BK/WH).
Possible Causes
- circuit 1011 (TN/OG) open or short to ground
- circuit 570 (BK/WH) open
- instrument panel dimmer switch
- instrument cluster