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AIR CONDITIONING – Saturn LW300 2003 – SYSTEM WIRING DIAGRAMS

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AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Saturn LW300 2003

Automatic AC Wiring Diagram (1 of 2) for Saturn LW300 2003 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
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List of elements for Automatic A/C Wiring Diagram (1 of 2) for Saturn LW300 2003:

  • (in hvac harn) s205
  • +5v
  • 5v ref
  • A/c
  • A/c diode
  • A/c fuse 10a
  • A/c press
  • A/c pressure sensor (in a/c high side pressure line)
  • A/c relay
  • A10
  • A12
  • Air tmp cntrl
  • Amb air temp
  • Amb temp dr
  • Ambient air temperature sensor (left front of engine compt)
  • Ambient light sensor (near base of wind- shield)
  • B11
  • Battery
  • Bcm fuse 10a
  • Blower motor (on hvac assembly)
  • Blower motor speed control module (on front of hvac assembly)
  • Blw mtr spd
  • Blwr mtr spd
  • Body control module (bcm) (mounted to top of glove box)
  • Can high
  • Can low
  • Compressor clutch
  • Computer data lines system
  • Controls ign 1 fuse 10a
  • Coolant fan 1 fuse 30a
  • Coolant fan 2 fuse 30a
  • D10
  • Eng cntl 1 10a
  • Engine control module (ecm) (top right rear of engine)
  • Engine controls system
  • G110 (on left front of engine)
  • G305 (under center console)
  • Gnd
  • Hot at all times
  • Hot in run
  • Hot in run or start
  • Hvac control module (center of instrument panel, under radio)
  • Ign 3 volt
  • Left instrument panel fuse block (lipfb) (behind left kick panel)
  • Low ref
  • Mode actuator (on hvac assembly)
  • Mode dr mtr
  • Mode dr pos
  • Pnk
  • Rec dr cntrl
  • Recirculation door actuator (on hvac assembly)
  • Red
  • Serial data
  • Spd req sig
  • Sunld sen sig
  • Tan
  • Temperature actuator (on right end of hvac assembly)
  • Underhood fuse block (uhfb) (left side of engine compt)

Automatic A/C Wiring Diagram (2 of 2) for Saturn LW300 2003

Automatic AC Wiring Diagram (2 of 2) for Saturn LW300 2003 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Saturn LW300 2003:

  • A12
  • Battery
  • C11
  • C12
  • Cool fan low ref
  • Cool fan mtr med spd
  • Cool fan mtr voltage
  • Cooling fan 1 (behind radiator)
  • Cooling fan 2 (on front of a/c condenser)
  • Cooling fan control module (near battery)
  • Engine control module (ecm) (top right rear of engine)
  • F12
  • Fan 1 cntrl
  • Fan 2 cntrl
  • G104 (under center console)
  • G105 (left front of engine compt)
  • G304 (left side of engine compt)
  • Ground
  • Hi spd cool fan sig
  • Hot at all times
  • Hot in run
  • Ign 1 voltage
  • Ign 3 relay
  • Left instrument panel fuse block (lipfb) (behind left kick panel)
  • Low spd cool fan sig
  • Pnk
  • Red
  • Splice pack sp103
  • Splice pack sp104
  • Underhood fuse block (uhfb) (left side of engine compt)

Compressor Wiring Diagram, with Auto A/C for Saturn LW300 2003

Compressor Wiring Diagram, with Auto AC for Saturn LW300 2003 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Compressor Wiring Diagram, with Auto A/C for Saturn LW300 2003:

  • +5v
  • A/c compressor clutch
  • A/c diode
  • A/c fuse 10a
  • A/c press
  • A/c pressure sensor (in a/c high side pressure line)
  • A/c relay
  • A10
  • A12
  • B11
  • Body control module (bcm) (mounted to top of glove box)
  • Can high
  • Can low
  • Computer data lines system
  • D10
  • Eng cntl 1 fuse 10a
  • Engine control module (ecm) (top right rear of engine)
  • Engine controls system
  • G110 (on left front of engine)
  • Hot at all times
  • Hot in run
  • Hvac control module (center of instrument panel, under radio)
  • Left instrument panel fuse block (behind left kick panel)
  • Return
  • Serial data
  • Tan

Compressor Wiring Diagram, with Manual A/C for Saturn LW300 2003

Compressor Wiring Diagram, with Manual AC for Saturn LW300 2003 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Compressor Wiring Diagram, with Manual A/C for Saturn LW300 2003:

  • +5v
  • A/c
  • 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
  • Clutch
  • D10
  • Eng cntl 1 fuse 10a
  • Engine control module (ecm) (top right rear of engine)
  • Engine controls system
  • G104 (under center console)
  • G110 (on left front of engine)
  • Hot at all times
  • Hot in run or start
  • Hvac control module (center of instrument panel, under radio)
  • Hvac fan switch
  • Ign 3 relay (energized in run)
  • Left instrument panel fuse block (behind left kick panel)
  • Off
  • Return
  • Splice pack sp104
  • Tan

Manual A/C Wiring Diagram (1 of 2) for Saturn LW300 2003

Manual AC Wiring Diagram (1 of 2) for Saturn LW300 2003 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (1 of 2) for Saturn LW300 2003:

  • (top right rear of engine) engine control module (ecm)
  • +5v
  • A/c comp- ressor clutch
  • A/c diode
  • A/c fuse 10a
  • A/c led
  • A/c on/off input
  • A/c press
  • A/c pressure sensor (in a/c high side pressure line)
  • A/c relay
  • A/c request input
  • A/c request output
  • A/c switch
  • A1 c2
  • A10
  • A12
  • B11
  • Blower motor (on hvac assembly)
  • Blower motor resistors (right side of hvac module)
  • Blower switch
  • Body control module (bcm) (mounted to top of glove box)
  • C1 d10
  • C11 c1
  • C12
  • Can high
  • Can low
  • Def
  • Def mode input
  • Dim illumination
  • Eng cntl 1 fuse 10a
  • Engine controls system
  • Fan 1 ctrl
  • Fan 2 ctrl
  • Fresh output
  • G104 (under center console)
  • G110 (on left front of engine)
  • G304 (left side of engine compt)
  • G305 (under center console)
  • Gnd
  • Grd
  • Hot at all times
  • Hot in run
  • Hot in run or start
  • Hvac control module (center of instrument panel, under radio)
  • Ign
  • Ign 3 fuse 10a
  • Ign 3 relay
  • Interior lights system
  • Left instrument panel fuse block (lipfb) (behind left kick panel)
  • Mode door motor (on hvac module)
  • Mode input
  • Off
  • Pnk
  • Recirc indicator
  • Recirc on input
  • Recirc output
  • Recirculation door motor (on hvac assembly)
  • Return
  • S206 (in hvac harn)
  • Splice pack sp104
  • Tan
  • Vent

Manual A/C Wiring Diagram (2 of 2) for Saturn LW300 2003

Manual AC Wiring Diagram (2 of 2) for Saturn LW300 2003 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Manual A/C Wiring Diagram (2 of 2) for Saturn LW300 2003:

  • A12
  • Battery
  • Controls ign 1 fuse 10a
  • Cool fan 1 fuse 30a
  • Cool fan 2 fuse 30a
  • Cool fan low ref
  • Cool fan mtr med spd
  • Cool fan mtr voltage
  • Cooling fan control module (near battery)
  • Engine cooling fan 1 (puller) (behind radiator)
  • Engine cooling fan 2 (pusher) (on front of a/c condenser)
  • F12
  • G105
  • Ground
  • Hi spd cool fan sig
  • Hot at all times
  • Hot in run or start
  • Ign 1 voltage
  • Low spd cool fan sig
  • Pnk
  • Red
  • Splice pack sp103
  • Underhood fuse block (uhfb) (left side of engine compt)