HVAC Schematics. Buick Lucerne 2007

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 HVAC 🢒 HVAC - Automatic 🢒 HVAC Schematics

Figure 1:	Power, Ground, Blower Motor Controls Master Electrical Component List Air Temperature Description and Operation Control Module References Mode and Air Temperature Controls Rear Fuse Block B+ PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses Underhood Fuse Block B+ RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses PRK LAMP, DRL Relays, IP HARN MDL, LT PRK LAMP, RT PRK LAMP, DRL Fuses RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses Defogger Schematics Hazard, Headlamp, Driver Information Display Switches, Ashtray, HVAC Control Module, Radio G304 G300 Mode and Air Temperature Controls Air Temperature Controls Air Temperature Controls G112 (L26)
Figure 2:	Mode and Air Temperature Controls Master Electrical Component List Air Temperature Description and Operation Control Module References Compressor Controls Power, Ground, Blower Motor Controls Power, Ground, Blower Motor Controls
Figure 3:	Compressor Controls Master Electrical Component List Air Temperature Description and Operation Control Module References Air Temperature Controls Mode and Air Temperature Controls High Speed Serial Data Underhood Fuse Block B+ Underhood Fuse Block B+ G112 (L26) G101, G110, G111, G114, G115, G302, G303, G306, G307
Figure 4:	Air Temperature Sensors Master Electrical Component List Air Temperature Description and Operation Control Module References Compressor Controls Power, Ground, and Low Speed GMLAN G300 Power, Ground, Blower Motor Controls G300 Power, Ground, Blower Motor Controls