AIR CONDITIONING – Saturn LW2 2000 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

A/C Wiring Diagram (1 of 2) for Saturn LW2 2000

List of elements for A/C Wiring Diagram (1 of 2) for Saturn LW2 2000:

57

• (computer data lines system)
• (in a/c high side pressure line) a/c pressure sensor
• 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
• A11
• A12
• Batt
• Blower motor (on hvac module)
• Blower motor resistors (right side of hvac module)
• Body control module (bcm) (mounted to top of glove box)
• C12
• D11
• Def
• Def mode input
• Dim illumination
• E11
• Engine control module (ecm) (top right rear of engine)
• Engine controls system
• F11
• Fan 1 cntrl
• Fan 2 cntrl
• Fresh output
• G301 (below right front seat)
• G309 (left front door sill)
• Grd
• Hot at all times
• Hot in run
• Hvac blower fuse 40a
• Hvac blower relay
• Hvac control head
• Hvac fan switch
• Hvac sw fuse 20a
• Ign
• Ign 3 fuse 10a
• Interior lights system
• Left instrument panel fuse block (behind left kick panel)
• Mode door motor (on hvac module)
• Mode input
• Off
• Pnk
• Recirc door motor (on hvac module)
• Recirc on indicator
• Recirc on input
• Recirc output
• Red
• Return
• Right body ground splice pack
• Serial data
• Underhood fuse block (left side of eng compt)
• Vent
• W/ rke
• W/o rke

A/C Wiring Diagram (2 of 2) for Saturn LW2 2000

List of elements for A/C Wiring Diagram (2 of 2) for Saturn LW2 2000:

35

• A c3
• A/c clutch
• A/c diode
• A/c fuse 10a
• A/c relay
• A11
• A12
• Auxiliary pump (on right rear side of puller fan shroud)
• Bu/turn fuse 10a
• C10
• C2 e12
• Clean ground
• Controls fuse 10a
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cooling fan 2 ground
• Cooling fan control unit (near battery)
• D12 c3
• Engine cooling fan 1 (puller) (behind radiator)
• Engine cooling fan 2 (pusher) (on front of a/c condenser)
• 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 & start
• Ign 3a fuse 10a
• 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 eng compt)

Compressor Wiring Diagram for Saturn LW2 2000

List of elements for Compressor Wiring Diagram for Saturn LW2 2000:

25

• (computer data lines system)
• A/c clutch
• A/c diode
• A/c fuse 10a
• A/c on led
• A/c on/off input
• A/c relay
• A/c relay ctrl
• A/c request input
• A/c request output
• A/c switch
• Air conditioning system
• Body control module (bcm) (mounted to top of glove box)
• Clean ground
• Engine control module (ecm) (top right rear of engine)
• Hot at all times
• Hot in run
• Hvac control head
• Hvac fan switch
• Hvac sw fuse 20a
• Ign 3a fuse 10a
• Left instrument panel fuse block (behind left kick panel)
• Off
• Serial data
• Underhood fuse block (left side of engine compartment)