GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Malibu 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Schematics
Figure 1:

Power, Ground, A/C Compressor Clutch, and Blower Motor Controls
Object Number: 1217871 Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Mode and Air Temperature Controls
Fuse Block Underhood Bussing
Fuse Block - Underhood - EMISSION 1, ETC Fuses, and A/C Clutch, P0WERTRAIN Relays
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block - Underhood - EMISSION 1, ETC Fuses, and A/C Clutch, P0WERTRAIN Relays
Fuse Block Underhood Bussing
Underhood Fuse Block Fuse - IBCM 1 Fuse, Body Control Module Fuses - AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN Sensor, RADIO Fuses and the Ignition Switch
Underhood Fuse Block Fuse - IBCM 1 Fuse, Body Control Module Fuses - AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN Sensor, RADIO Fuses and the Ignition Switch
Low Speed Serial Data
Power, Ground and High Speed Serial Data
G201
G203
G106
Figure 2:

Mode and Air Temperature Controls
Object Number: 1217873 Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Power, Ground, A/C Compressor Clutch, and Blower Motor Controls
Ambient Light Sensor, Brake Pedal Position Sensor, Grounds, Hazard Switch, Serial Data and Turn Signal/Multifunction Switch