Park Avenue V6-3.8L SC VIN 1 (2005)
Heated Glass Element: Scan Tool Testing and Procedures
Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
Body Control Module (BCM)
Rear Defog Output: The scan tool displays On/Off. When the rear window defogger is enabled, the HVAC control module sends a message on the
to the IPM requesting the activation the rear window defogger. The IPM sends a class 2 message to the BCM to enable the rear window defogger
system. The BCM energizes the HTD BK LITE relay by grounding the control circuit of the relay, which the scan tool displays as On.