AIR CONDITIONING – Saturn Ion 3 2003 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Saturn Ion 3 2003

List of elements for Compressor Wiring Diagram for Saturn Ion 3 2003:

• +5v
• A/c compressor clutch
• A/c diode
• A/c fuse 5 10a
• A/c on led
• A/c on/off
• A/c press
• A/c refrigerant pressure sensor (on lower right side of engine, below generator)
• A/c relay
• A/c request
• A/c switch
• A10
• Aa1
• Aa2
• Aa3
• Aa4
• B11
• Body control module (left rear of engine compartment, attached to master cylinder)
• Class 2 data
• Ect sens
• Engine control module (ecm) (at left side of eng compt)
• Engine coolant temperature sensor (right rear side of engine, near exhaust manifold)
• F10
• G101
• G203 (behind lower left side of dash, left of steering column)
• Hot at all times
• Hot in run or start
• Hvac control head
• 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 cntrl
• Run/ crank relay
• S233 (in i/p harn, 5 cm from ambient light sensor breakout)
• Sp101 (in forward lamp harn, near left headlamp)
• Underhood fuse block (at left rear side of engine compartment)

Heater Wiring Diagram for Saturn Ion 3 2003

List of elements for Heater Wiring Diagram for Saturn Ion 3 2003:

• 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 box)
• Body control module (left rear of engine compartment, attached to master cylinder)
• G203 (behind lower left side of dash, left of steering column)
• Hot at all times
• Hvac control head
• Hvac fan switch
• Logic
• Off
• Red
• Run (ign 3) fuse 48 30a
• Run relay
• Run relay cntrl
• S260 (in i/p harn, 6.5 cm from blower motor breakout)
• Tan
• Underhood fuse block (at left rear side of engine compartment)

Manual A/C Wiring Diagram for Saturn Ion 3 2003

List of elements for Manual A/C Wiring Diagram for Saturn Ion 3 2003:

• (behind lower right side of dash, near "a" pillar) recirculation actuator
• +5v
• A/c compressor clutch
• A/c diode
• A/c fuse 5 10a
• A/c ind
• A/c press
• A/c refrigerant pressure sensor (on lower right side of engine, below generator)
• 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 box)
• Body control module (left rear of engine compartment, attached to master cylinder)
• Class 2 data
• Cool fan rel
• Cooling fan
• Cooling fan fuse 45 10a
• Def
• Ect sens
• Engine control module (ecm) (at left side of eng compt)
• Engine coolant temperature sensor (right rear side of engine, near exhaust manifold)
• F10
• G101
• G105 (on lower left rear of engine)
• G203 (behind lower left side of dash, left of steering column)
• Hot at all times
• Hot in run or start
• Htr
• Hvac control head
• Hvac fan switch
• Hvac fuse 7.5a
• Ign 3 volt
• Logic
• Low ref
• Mode sw sig
• Mode switch
• Off
• Rec dr ctrl a
• Rec dr ctrl b
• Rec sw sig
• Recirc ind
• Recirc switch
• Red
• Run (ign 3) fuse 48 30a
• Run relay
• Run relay cntrl
• Run/ crank relay
• S233 (in i/p harn, 5 cm from ambient light sensor breakout)
• S260 (in i/p harn, 6.5 cm from blower motor breakout)
• Sp101 (in forward lamp harn, near left headlamp)
• Tan
• Underhood fuse block (at left rear side of engine compartment)
• Vent