AIR CONDITIONING – Saturn Ion 3 2007 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Saturn Ion 3 2007

List of elements for Compressor Wiring Diagram for Saturn Ion 3 2007:

• (not used)
• +5v
• 2.0l
• 2.2l & 2.4l
• A/c clutch relay
• A/c compressor clutch (at lower left front of engine)
• A/c diode
• A/c fuse 5 10a
• A/c ind
• A/c on/off
• A/c press
• A/c refrigerant pressure sensor (on lower left side of engine, below generator)
• A/c relay
• A/c request
• A/c switch
• A10
• Aa1
• Aa2
• Aa3
• Aa4
• B11
• Body control module (bcm) (at lower center of dash)
• Class 2 data
• Ect sens
• Engine control module (ecm) (2.2l & 2.4l) powertrain control module (pcm) (2.0l) (2.2l & 2.4l: at left side of engine compt) (2.0l: at rear of engine, near coolant overflow container)
• Engine coolant temperature (ect) sensor (2.0l: on top of engine, near right front corner of camshaft cover) (2.2l, 2.4l: on right rear side of engine, near exhaust manifold)
• F10
• G101 (behind left front headlight)
• G203 (behind lower left side of dash, left of steering column)
• Hot at all times
• Hot in run or start
• Hvac control assembly
• Hvac fan switch
• Hvac fuse 7.5a
• Ign 3 volt
• Logic
• Low ref
• Off
• Red
• Run (ign 3) fuse 48 30a
• Run relay
• Run relay ctrl
• Run/ crank relay
• S101 (in forward light harness, near underhood fuse block connector)
• S233 (in i/p harness, approximately 20 cm from radio c1 breakout)
• Underhood fuse block (left rear side of engine compt)

2.2L VIN F

2.2L VIN F, Manual A/C Wiring Diagram for Saturn Ion 3 2007

List of elements for 2.2L VIN F, Manual A/C Wiring Diagram for Saturn Ion 3 2007:

• (in i/p harness, 6.5 cm from blower motor breakout) s260
• (in i/p harness, approximately 20 cm from radio c1 breakout) s233
• (not used)
• (on lower left side of engine, below generator) a/c refrigerant pressure sensor
• +5v
• A/c clutch relay
• A/c compressor clutch (at lower left front of engine)
• A/c diode
• A/c fuse 5 10a
• A/c ind
• A/c press
• A/c relay
• A/c request
• A/c sig sw
• A/c switch
• A10
• Aa1
• Aa2
• Aa3
• Aa4
• B11
• Bi-lvl
• Blend
• Blower motor (behind lower right side of dash)
• Blower motor resistor assembly (behind lower right side of dash, behind glove compt)
• Body control module (bcm) (at lower center of dash)
• Class 2 data
• Cool fan rel
• Cooling fan (at front of engine compt, attached to radiator)
• Cooling fan fuse 45 30a
• Cooling fan relay
• Def
• Ect sens
• Engine control module (ecm) (at left side of engine compt)
• Engine coolant temperature (ect) sensor (on right rear side of engine, near exhaust manifold)
• F10
• G101 (behind left front headlight)
• G105 (on lower left rear of engine, above starter)
• G203 (behind lower left side of dash, left of steering column)
• Hot at all times
• Hot in run or start
• Htr
• Hvac control assembly
• Hvac fan switch
• Hvac fuse 7.5a
• Ign 3 volt
• Illum
• Interior lights system
• Logic
• Low ref
• Mode sw sig
• Mode switch
• Nca
• Off
• Rec dr ctrl a
• Rec dr ctrl b
• Rec sw sig
• Recirc ind
• Recirc switch
• Recirculation actuator (behind lower right side of dash, near "a" pillar)
• Red
• Run (ign 3) fuse 48 30a
• Run relay
• Run relay ctrl
• Run/ crank relay
• S101 (in forward light harness, near underhood fuse block connector)
• Tan
• Underhood fuse block (left rear side of engine compt)
• Vent

2.4L VIN B

2.4L VIN B, Manual A/C Wiring Diagram (1 of 2) for Saturn Ion 3 2007

List of elements for 2.4L VIN B, Manual A/C Wiring Diagram (1 of 2) for Saturn Ion 3 2007:

• (at left side of engine compt) engine control module (ecm)
• (in i/p harness, approximately 20 cm from radio c1 breakout) s233
• (not used)
• (on right rear side of engine, near exhaust manifold) engine coolant temperature (ect) sensor
• +5v
• A/c clutch relay 24
• A/c compressor clutch (at lower left front of engine)
• A/c diode
• A/c fuse 5 10a
• A/c ind
• A/c press
• A/c relay
• A/c request
• A/c sig sw
• A/c switch
• A10
• Bi-lvl
• Blend
• Class 2 data
• Def
• Ect sens
• F10
• G101 (behind left front headlight)
• G203 (behind lower left side of dash, left of steering column)
• Hi rly ctrl
• Hot at all times
• Hot in run or start
• Htr
• Hvac control assembly
• Hvac fan switch
• Ign 3 volt
• Illum
• Interior lights system
• Logic
• Low ref
• Low rly ctrl
• Mode sw sig
• Mode switch
• Off
• Rec dr ctrl a
• Rec dr ctrl b
• Rec sw sig
• Recirc ind
• Recirc switch
• Run/ crank relay
• S101 (in forward light harness, near underhood fuse block connector)
• Tan
• Underhood fuse block (left rear side of engine compt)
• Vent

2.4L VIN B, Manual A/C Wiring Diagram (2 of 2) for Saturn Ion 3 2007

List of elements for 2.4L VIN B, Manual A/C Wiring Diagram (2 of 2) for Saturn Ion 3 2007:

• (in front of engine compt, attached to radiator) cooling fan
• (not used)
• A/c refrigerant pressure sensor (on lower left side of engine, below generator)
• A/c request
• Aa1
• Aa2
• Aa3
• Aa4
• B11
• Blower motor (behind lower right side of dash)
• Blower motor resistor assembly (behind lower right side of dash, behind glove compt)
• Body control module (bcm) (at lower center of dash)
• Class 2 data
• Cooling fan 1 fuse 45 30a
• Cooling fan 1 relay
• Cooling fan 2 fuse 44 30a
• Cooling fan 2 relay (in front of engine compt, attached to top right corner of radiator)
• Cooling fan resistor (lower left front of engine compt)
• E1 c1
• G105 (near starter, on front of transmission case)
• G203 (behind lower left side of dash, left of steering column)
• Hot at all times
• Hvac fuse 7.5a
• Logic
• Nca
• Recirculation actuator (behind lower right side of dash, near "a" pillar)
• Red
• Run (ign 3) fuse 48 30a
• Run relay
• Run relay ctrl
• S260 (in i/p harness, 6.5 cm from blower motor breakout)
• Tan
• Underhood fuse block (left rear side of engine compt)