With the headlamp and panel dimmer switch in
the park or head position, a variable voltage is supplied out of the headlamp
and panel (IP) dimmer switch via CKT 44 (DK GRN). The voltage
output of the IP dimmer goes through the ILLUM fuse via CKT 8 (GRY)
and travels to the following modules:
| • | Heater and A/C control module |
| • | Rear window/wiper switch |
The output (variable) of CKT 44 (DK GRN) determines the
level of brightness to the modules listed above.
There is an 8 CKT (GRY) that travels to the body control module (BCM),
which is an input to a dimming rheostat. The output is an LED dimming signal
CKT 1382 (PPL/WHT) which controls the following modules lighting intensity:
Some circuits are monitored by the BCM, and upon failure may set a DTC.
