GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Epica
🢒
HVAC
🢒
HVAC Systems - Automatic
🢒 HVAC Schematics
Figure
1:
Blower Controls Automatic
Master Electrical Component List
Underhood Fuse Block - HVAC, BLWR, S/ROOF, and PWR SEAT Fuses
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
G201, G202
IP Illumination
Figure
2:
Compressor Controls (2.5L Sirius D6)
Master Electrical Component List
Underhood Fuse Block - A/C and IP Fuse BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
G101
Engine Data Sensors - Pressure and Temperature, Vehicle Speed Sensor (VSS), Mass Air Flow (MAF)
Figure
3:
Compressor Controls (2.0L MR-140)
Master Electrical Component List
Underhood Fuse Block - A/C and IP Fuse BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
G101
Engine Data Sensors - Pressure and Temperature
Figure
4:
Compressor Controls (2.0L ITMS-6F)
Master Electrical Component List
Underhood Fuse Block - A/C and IP Fuse BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
G101
Engine Data Sensors - Pressure and Temperature
Figure
5:
Air Delivery and Temperature Controls
Master Electrical Component List
Underhood Fuse Block - A/C and IP Fuse BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
Power, Ground, Hold Switch and DLC
Vehicle Speed Sensor (VSS) - European Emissions
Wiper/Washer