AIR CONDITIONING – Saturn LW300 2001 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

A/C Wiring Diagram (1 of 2) for Saturn LW300 2001

List of elements for A/C Wiring Diagram (1 of 2) for Saturn LW300 2001:

• (in a/c high side pressure line) a/c pressure sensor
• (top right rear of engine) engine control module (ecm)
• +5v
• A/c on led
• A/c on/off input
• A/c press sens
• A/c relay control
• A/c request input
• A/c request output
• A/c switch
• A10
• A12
• B11
• Blower motor (on hvac module)
• Blower motor resistors (right side of hvac module)
• Body control module (bcm) (mounted to top of glove box)
• C11 c2
• C12
• Can high
• Can low
• D10
• Def
• Def mode input
• Defogger system
• Dim illumination
• Engine controls system
• F7 c2
• Fan 1 cntrl
• Fan 2 cntrl
• Fresh output
• G206 (below center of dash)
• G301 (below right front seat)
• G309 (left front door sill)
• Grd
• Hot at all times
• Hot in run
• Hvac control head
• Hvac fan switch
• Ign
• Ign 3 fuse 10a
• Ign 3 relay (energized in run)
• Interior lights system
• Left instrument panel fuse block (behind left kick panel)
• Mode door motor (on hvac module)
• Mode input
• Off
• Pnk
• Rear defogger switch
• Recirc door motor (on hvac module)
• Recirc on indicator
• Recirc on input
• Recirc output
• Return
• Right body ground splice pack
• Tan
• Vent
• W/ rke
• W/o rke

A/C Wiring Diagram (2 of 2) for Saturn LW300 2001

List of elements for A/C Wiring Diagram (2 of 2) for Saturn LW300 2001:

• A/c clutch
• A/c diode
• A/c fuse 10a
• A/c relay
• A12
• A8 c1
• Bu/ turn fuse 10a
• C10
• Controls fuse 10a
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cooling fan 2 ground
• Cooling fan control module (near battery)
• Eng cntl 1 fuse 10a
• Engine cooling fan 1 (puller) (behind radiator)
• Engine cooling fan 2 (pusher) (on front of a/c condenser)
• F12
• Forward lamp ground splice pack
• G100 (front of left front fender)
• Heater water pump (on right side of engine)
• Hot at all times
• Hot in run
• Hot in run or start
• Ignition ground
• Nca
• Pnk
• Red
• Relay energized in high fan speed
• Relay energized in low & high fan speed
• Relay energized in low fan speed
• Relay energized in medium fan speed
• Underhood fuse block (left side of engine compt)

Compressor Wiring Diagram for Saturn LW300 2001

List of elements for Compressor Wiring Diagram for Saturn LW300 2001:

• +5v
• A/c clutch
• A/c diode
• A/c fuse 10a
• A/c on led
• A/c on/off
• A/c press
• A/c pressure sensor (in a/c high side pressure line)
• A/c relay
• A/c request
• A/c switch
• A10
• A12
• B11
• Body control module (bcm) (mounted to top of glove box)
• C11
• C12
• Can high
• Can low
• D10
• Eng cntl 1 fuse 10a
• Engine control module (ecm) (top right rear of engine)
• Engine controls system
• G301 (below right front seat)
• G309 (left front door sill)
• Hot at all times
• Hot in run
• Hvac control head
• Hvac fan switch
• Ign 3 relay (energized in run)
• Ignition ground
• Left instrument panel fuse block (behind left kick panel)
• Off
• Return
• Right body ground splice pack
• Tan
• W/ rke
• W/o rke