AIR CONDITIONING – Saab 9-5 Aero 2011 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Dual Fans (1 of 6) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Dual Fans (1 of 6) for Saab 9-5 Aero 2011:

• (left center of dash)
• (or tan)
• 5-volt ref
• A/c compressor solenoid valve (rear of a/c compressor)
• A/c refrigerant pressure sensor
• Air quality sens sig
• Auxiliary heater cntl
• Auxiliary heater status sig
• Battery positive voltage
• Blower mtr spd ctrl
• Body control module (left end of dash)
• Computer data lines system
• Defogger system
• Duct lower air temperature sensor (mounted on hvac module)
• Duct upper air temperature sensor (mounted on hvac module)
• Electric variable displacement ctrl
• Electric variable displacement sply
• G206
• Gnd
• Humidity sens sig
• Humidity temp sens sig
• Hvac control module (center of dash)
• Inside air temp sens sig
• J299
• Linear interconnect network bus 9
• Low ref
• Low speed gmlan serial data
• Lower air temp sens sig
• Rear blower mtr spd ctrl
• Rear defog rly ctrl
• Run relay coil cntl
• Run rly coil ctrl
• Security ind ctrl
• Solar sens drv sig
• Twilight sentinel delay sig
• Underhood fuse block (left side of engine compt)
• Upper air temp sens sig
• Windshield temp sens sig
• X108
• X118
• X200
• X201

Automatic A/C Wiring Diagram, Dual Fans (2 of 6) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Dual Fans (2 of 6) for Saab 9-5 Aero 2011:

• (2.8l) air quality sensor
• (engine harness, in formed conduit by throttle body)
• (on branch leading to remote control door lock receiver)
• (or 151)
• (or 2761)
• (or tan)
• 2.0l
• 2.8l
• 5v ref 1
• A/c refrigerant press
• Ambient light/sunload sensor (top center of dash)
• Auxiliary blower motor
• Auxiliary blower motor control module
• Computer data lines system
• Coolant temp sens sig
• Engine control module (right rear of engine compt)
• Engine controls system
• Engine coolant temperature sensor (right rear of engine)
• Fuse 10a
• Fuse 5a
• Fuse 7.5a
• G109 (engine compt, on left strut tower)
• G201 (left kick panel)
• Hi spd cooling fan rly ctrl
• Hot at all times
• Hot w/ ignition main relay energized
• J126 (2.8l)
• J131
• J136
• J204
• J318
• Logic
• Lw spd cooling fan rly ctrl
• Rear body fuse block (left side of luggage compt)
• Sens sig
• Sig gnd
• Underhood fuse block (left side of engine compt)
• Windshield temperature & inside moisture sensor (top center of windshield)
• X200

Automatic A/C Wiring Diagram, Dual Fans (3 of 6) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Dual Fans (3 of 6) for Saab 9-5 Aero 2011:

• (right side of dash) blower motor
• (right side of dash) blower motor control module
• (under driver's seat)
• A/c evaporator temperature sensor
• Auxiliary heater ctrl
• Auxiliary underhood fuse block
• Batt + volt
• Batt positive volt
• Blower mtr fan ctrl
• Blower mtr spd ctrl
• Blower mtr sply volt
• Computer data lines system
• Electrical auxiliary heater (part of hvac module)
• Fuse 100a
• Fuse 10a
• Fuse 50a
• G111 (engine compt, rearward of battery)
• G305
• Gnd
• Heater status sig
• Hot at all times
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J207
• J298
• Left duct lower air temperature sensor (mounted on hvac module)
• Left duct upper air temperature sensor (mounted on hvac module)
• Red
• Right duct lower air temperature sensor (mounted on hvac module)
• Right duct upper air temperature sensor (mounted on hvac module)
• Run/crank ign 1 volt

Automatic A/C Wiring Diagram, Dual Fans (4 of 6) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Dual Fans (4 of 6) for Saab 9-5 Aero 2011:

• (body harness, in branch to body control module, near breakout to left front door inline)
• (body harness, in main bundle between breakout to left front door inline & g201)
• A/c request switch
• Air inlet door actuator
• Air inlet dr stepper mtr ctrl 1
• Air inlet dr stepper mtr ctrl 2
• Air inlet dr stepper mtr ctrl 3
• Air inlet dr stepper mtr ctrl 4
• Air recirculation door motor
• Air recirculation switch
• Auto switch
• Auxiliary mode door actuator
• Blower switch
• Defog switch
• Defrost switch
• Evap core temp sens sig
• Floor switch
• Hvac control module (center of dash)
• Hvac mtr sply volt
• Inlet dr stepper mtr ctrl 1
• Inlet dr stepper mtr ctrl 2
• Inlet dr stepper mtr ctrl 3
• Inlet dr stepper mtr ctrl 4
• J232
• J233
• Left air temperature door actuator
• Lf dr temp stepper mtr ctrl 1
• Lf dr temp stepper mtr ctrl 2
• Lf dr temp stepper mtr ctrl 3
• Lf dr temp stepper mtr ctrl 4
• Logic
• Lwr lf air temp sens sig
• Lwr rh air temp sens sig
• Mode door actuator
• Mode dr stepper mtr ctrl 1
• Mode dr stepper mtr ctrl 2
• Mode dr stepper mtr ctrl 3
• Mode dr stepper mtr ctrl 4
• Mode ind
• Mode switch
• Panel switch
• Pnk
• Radio/ hvac controls
• Rear mode motor sply voltage
• Red
• Rh dr temp stepper mtr pass ctrl 1
• Rh dr temp stepper mtr pass ctrl 2
• Rh dr temp stepper mtr pass ctrl 3
• Rh dr temp stepper mtr pass ctrl 4
• Right air temperature door actuator
• Sens low reference
• Temp dr stepper mtr ctrl 1
• Temp dr stepper mtr ctrl 2
• Temp dr stepper mtr ctrl 3
• Temp dr stepper mtr ctrl 4
• Tempe- rature down switch
• Tempe- rature up switch
• Upper left air temp sens sig
• Upper rh air temp sens sig
• Zone switch

Automatic A/C Wiring Diagram, Dual Fans (5 of 6) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Dual Fans (5 of 6) for Saab 9-5 Aero 2011:

• (not used)
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan relay
• Cooling fan speed control relay
• Fuse 10a
• Fuse 30a
• Fuse 42 20a
• G109 (engine compt, on left strut tower)
• Hot at all times
• Hot w/ engine control module relay energized
• J115 (engine harness, between fuse block underhood & g120)
• J137
• Left cooling fan motor (behind radiator)
• Underhood fuse block (left side of engine compt)
• X117
• X119
• X3 (not used)

Automatic A/C Wiring Diagram, Dual Fans (6 of 6) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Dual Fans (6 of 6) for Saab 9-5 Aero 2011:

• (engine compartment, left center of radiator support)
• (engine cooling harness, on branch, between main bundle & relay block- underhood)
• (engine cooling harness, on branch, between main bundle & relay block-underhood)
• Cooling fan speed control 2 relay
• G106
• J105 (engine cooling harness, on branch, between main bundle & relay block - underhood)
• J106
• J107
• J108
• Left cooling fan medium speed relay
• Right cooling fan medium speed relay
• Right cooling fan motor (behind radiator)
• Underhood relay block (left side of engine compt)
• X117

Automatic A/C Wiring Diagram, Single Fan (1 of 5) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Single Fan (1 of 5) for Saab 9-5 Aero 2011:

• (left center of dash)
• (or tan)
• 5-volt ref
• A/c compressor solenoid valve (rear of a/c compressor)
• A/c refrigerant pressure sensor
• Air quality sens sig
• Auxiliary heater cntl
• Auxiliary heater status sig
• Battery positive voltage
• Blower mtr spd ctrl
• Body control module (left end of dash)
• Computer data lines system
• Defogger system
• Duct lower air temperature sensor (mounted on hvac module)
• Duct upper air temperature sensor (mounted on hvac module)
• Electric variable displacement ctrl
• Electric variable displacement sply
• G206
• Gnd
• Humidity sens sig
• Humidity temp sens sig
• Hvac control module (center of dash)
• Inside air temp sens sig
• J299
• Linear interconnect network bus 9
• Low ref
• Low speed gmlan serial data
• Lower air temp sens sig
• Rear blower mtr spd ctrl
• Rear defog rly ctrl
• Run relay coil cntl
• Run rly coil ctrl
• Security ind ctrl
• Solar sens drv sig
• Twilight sentinel delay sig
• Underhood fuse block (left side of engine compt)
• Upper air temp sens sig
• Windshield temp sens sig
• X108
• X118
• X200
• X201

Automatic A/C Wiring Diagram, Single Fan (2 of 5) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Single Fan (2 of 5) for Saab 9-5 Aero 2011:

• (2.8l) air quality sensor
• (on branch leading to remote control door lock receiver)
• (or 151)
• (or 2761)
• (or tan)
• 2.0l
• 2.8l
• 5v ref 1
• A/c refrigerant press
• Ambient light/sunload sensor (top center of dash)
• Auxiliary blower motor
• Auxiliary blower motor control module
• Computer data lines system
• Coolant temp sens sig
• Engine control module (right rear of engine compt)
• Engine coolant temperature sensor (right rear of engine)
• Engine main rly coil ctrl
• Fuse 10a
• Fuse 5a
• Fuse 7.5a
• G109 (engine compt, on left strut tower)
• G201 (left kick panel)
• Hi spd cooling fan rly ctrl
• Hot at all times
• Hot w/ ignition main relay energized
• J131
• J136
• J204
• J318
• Logic
• Lw spd cooling fan rly ctrl
• Rear body fuse block (left side of luggage compt)
• Sens sig
• Sig gnd
• Underhood fuse block (left side of engine compt)
• Windshield temperature & inside moisture sensor (top center of windshield)
• X200

Automatic A/C Wiring Diagram, Single Fan (3 of 5) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Single Fan (3 of 5) for Saab 9-5 Aero 2011:

• (right side of dash) blower motor
• (right side of dash) blower motor control module
• (under driver's seat)
• A/c evaporator temperature sensor
• Auxiliary heater ctrl
• Auxiliary underhood fuse block
• Batt + volt
• Batt positive volt
• Blower mtr fan ctrl
• Blower mtr spd ctrl
• Blower mtr sply volt
• Computer data lines system
• Electrical auxiliary heater (part of hvac module)
• Fuse 100a
• Fuse 10a
• Fuse 50a
• G111 (engine compt, rearward of battery)
• G305
• Gnd
• Heater status sig
• Hot at all times
• Instrument cluster
• Instrument panel fuse block (left end of dash)
• J207
• J298
• Left duct lower air temperature sensor (mounted on hvac module)
• Left duct upper air temperature sensor (mounted on hvac module)
• Red
• Right duct lower air temperature sensor (mounted on hvac module)
• Right duct upper air temperature sensor (mounted on hvac module)
• Run/crank ign 1 volt

Automatic A/C Wiring Diagram, Single Fan (4 of 5) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Single Fan (4 of 5) for Saab 9-5 Aero 2011:

• (body harness, in branch to body control module, near breakout to left front door inline)
• (body harness, in main bundle between breakout to left front door inline & g201)
• A/c request switch
• Air inlet door actuator
• Air inlet dr stepper mtr ctrl 1
• Air inlet dr stepper mtr ctrl 2
• Air inlet dr stepper mtr ctrl 3
• Air inlet dr stepper mtr ctrl 4
• Air recirculation door motor
• Air recirculation switch
• Auto switch
• Auxiliary mode door actuator
• Blower switch
• Defog switch
• Defrost switch
• Evap core temp sens sig
• Floor switch
• Hvac control module (center of dash)
• Hvac mtr sply volt
• Inlet dr stepper mtr ctrl 1
• Inlet dr stepper mtr ctrl 2
• Inlet dr stepper mtr ctrl 3
• Inlet dr stepper mtr ctrl 4
• J232
• J233
• Left air temperature door actuator
• Lf dr temp stepper mtr ctrl 1
• Lf dr temp stepper mtr ctrl 2
• Lf dr temp stepper mtr ctrl 3
• Lf dr temp stepper mtr ctrl 4
• Logic
• Lwr lf air temp sens sig
• Lwr rh air temp sens sig
• Mode door actuator
• Mode dr stepper mtr ctrl 1
• Mode dr stepper mtr ctrl 2
• Mode dr stepper mtr ctrl 3
• Mode dr stepper mtr ctrl 4
• Mode ind
• Mode switch
• Panel switch
• Pnk
• Radio/ hvac controls
• Rear mode motor sply voltage
• Red
• Rh dr temp stepper mtr pass ctrl 1
• Rh dr temp stepper mtr pass ctrl 2
• Rh dr temp stepper mtr pass ctrl 3
• Rh dr temp stepper mtr pass ctrl 4
• Right air temperature door actuator
• Sens low reference
• Temp dr stepper mtr ctrl 1
• Temp dr stepper mtr ctrl 2
• Temp dr stepper mtr ctrl 3
• Temp dr stepper mtr ctrl 4
• Temperature down switch
• Temperature up switch
• Upper left air temp sens sig
• Upper rh air temp sens sig
• Zone switch

Automatic A/C Wiring Diagram, Single Fan (5 of 5) for Saab 9-5 Aero 2011

List of elements for Automatic A/C Wiring Diagram, Single Fan (5 of 5) for Saab 9-5 Aero 2011:

• (engine harness, between fuse block-underhood & g120)
• (not used)
• Cooling fan high speed relay
• Cooling fan medium speed 1 relay
• Cooling fan medium speed 2 relay
• Cooling fan motor (behind radiator)
• Cooling fan relay
• Cooling fan speed control relay
• Engine control module relay
• Fuse 10a
• Fuse 60a
• G106 (engine compartment, left center of radiator support)
• G109 (engine compartment, on left strut tower)
• Hot at all times
• J115
• J137
• Underhood fuse block (left side of engine compt)
• X117