AIR CONDITIONING – Ford Focus LX 2004 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Heater Wiring Diagram for Ford Focus LX 2004

List of elements for Heater Wiring Diagram for Ford Focus LX 2004:

• (at left ``a" pillar) g204
• (at right ``a" pillar) g203
• (in main wiring
• (in main wiring harness, near breakout for instrument cluster) s224
• (not used)
• 15-fa13
• 29-fa13
• 29s-le10
• 31s-fa26
• 31s-hb22
• 31s-hb31
• 32-fa76
• 33-fa76
• 91-fa13
• 91s-fa20
• Battery junction box (bjb) (in left rear corner of engine compartment)
• Blower motor resistor (behind center of dash)
• C270a
• C270e
• Central junction box (cjb) (behind left side of dash)
• Defogger system
• Fuse 40a
• Fuse 7.5a
• Harness, near breakout for instrument cluster) s212
• Heater blower motor (behind center of dash)
• Heater blower switch
• Heater control module (behind dash)
• High
• Hot at all times
• Hot in start or run
• Interior lights system
• Low speed
• Medium high
• Medium low
• Off
• Rear window heater on
• Rear window heater switch
• Rear window heater switch illumination
• Recirculation air actuator (behind right side of dash, next to blower motor)
• Recirculation on
• Recirculation switch
• Recirculation switch illumination
• S249 (in main wiring harness, near breakout for c213)
• Solid state

2.0L

2.0L, Manual A/C Wiring Diagram, Except SVT (1 of 2) for Ford Focus LX 2004

List of elements for 2.0L, Manual A/C Wiring Diagram, Except SVT (1 of 2) for Ford Focus LX 2004:

• (at left ``a" pillar) g204
• (in main wiring
• (in main wiring harness, near breakout for instrument cluster) s212
• (not used)
• 15-fa13
• 15s-fa38
• 29-fa13
• 29s-le10
• 31s-fa26
• 31s-hb22
• 31s-hb31
• 32-fa76
• 33-fa76
• 91-fa13
• 91s-fa20
• A/c compressor cycling switch (1: pressure increasing) (2: pressure decreasing) (in left rear corner of engine compartment)
• A/c on
• A/c switch
• A/c switch illumination
• Battery junction box (bjb) (in left rear corner of engine compartment)
• Blower motor resistor (behind center of dash)
• C270a
• C270e
• Central junction box (cjb) (behind left side of dash)
• Defogger system
• Fuse 40a
• Fuse 7.5a
• G203 (at right ``a" pillar)
• Harness, near breakout for instrument cluster) s206
• Heater blower motor (behind center of dash)
• Heater blower switch
• Heater control module (behind dash)
• High
• Hot at all times
• Hot in start or run
• Interior lights system
• Low speed
• Med high
• Med low
• Off
• Rear window heater on
• Rear window heater switch
• Rear window heater switch illumination
• Recirculation air actuator (behind right side of dash, next to blower motor)
• Recirculation on
• Recirculation switch
• Recirculation switch illumination
• S224 (in main wiring harness, near breakout for instrument cluster)
• Solid state

2.0L, Manual A/C Wiring Diagram, Except SVT (2 of 2) for Ford Focus LX 2004

List of elements for 2.0L, Manual A/C Wiring Diagram, Except SVT (2 of 2) for Ford Focus LX 2004:

• (at right front of engine compartment) g102
• (in fuel shutoff solenoid wiring harness, near breakout to intake system) s198
• (in junction box wiring harness,
• (in junction box wiring harness, near battery junction box) s119
• (in junction box wiring harness, near battery junction box)
• (near breakout for right front park/turn lamp)
• (on right front of cylinder head, near generator) cylinder head temperature sensor
• 15s-re8
• 31s-fa11
• 31s-pa17
• 31s-pa21
• 31s-pa7
• 8-pa13
• 8-rj5 8-rj33
• 87a
• 9-re8
• A/c clutch field coil (at right front of engine compartment)
• A/c clutch relay
• A/c compressor clutch diode
• Acc
• Battery junction box (bjb) (in left rear corner of engine compartment)
• C270e
• Central junction box (cjb) (behind left side of dash)
• Cycling switch)
• Dual pressure switch 1) normal pressure 2) high pressure (at right side of engine compartment)
• Engine coolant temperature (ect) sensor (at top rear of engine)
• Engine cooling fan motor (on radiator)
• Engine cooling fan relay
• Engine cooling fan resistor (svt: in front of engine compt, near engine cooling fan)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 50a
• G102 (at right front of engine compartment)
• G103 (at left side of engine compt)
• Ground
• Ground switched
• High speed fan control relay
• Hot at all times
• Ignition switch
• Low speed cooling fan relay b
• Low speed engine cooling fan relay a
• Nca
• Near battery junction box) s107
• Off
• Pcm power diode
• Power hold relay
• Powertrain control module (pcm) (behind right side of dash, at base of ``a" pillar)
• Red
• Run
• S109
• S109 (in junction box wiring harness, near breakout for right front park/turn lamp)
• S117
• S118 (in junction box wiring harness, near battery junction box)
• S137 (in junction box wiring harness, near breakout for left front side lamp)
• S163 (in engine control wiring harness, near breakout for a/c compressor
• Second cooling fan motor (svt: on radiator)
• Sensor return
• Sensor signal
• Spi
• Start
• Switch input
• Switched volt
• Zetec-e

2.0L, Manual A/C Wiring Diagram, SVT (1 of 2) for Ford Focus LX 2004

List of elements for 2.0L, Manual A/C Wiring Diagram, SVT (1 of 2) for Ford Focus LX 2004:

• (at left ``a" pillar) g204
• (in main wiring
• (not used)
• 15-fa13
• 15s-fa38
• 29-fa13
• 29s-le10
• 31s-fa26
• 31s-hb22
• 31s-hb31
• 32-fa76
• 33-fa76
• 91-fa13
• 91s-fa20
• A/c compressor cycling switch 1) pressure increasing 2) pressure decreasing (in left rear corner of engine compartment)
• A/c on
• A/c switch
• A/c switch illumination
• Battery junction box (bjb) (in left rear corner of engine compartment)
• Blower motor resistor (behind center of dash)
• C270a
• C270e
• Central junction box (cjb) (behind left side of dash)
• Defogger system
• Fuse 40a
• Fuse 7.5a
• G203 (at right ``a" pillar)
• Harness, near breakout for instrument cluster) s206
• Harness, near breakout for instrument cluster) s212
• Harness, near breakout for instrument cluster)
• Heater blower motor (behind center of dash)
• Heater blower switch
• Heater control module (behind dash)
• High
• Hot at all times
• Hot in run or start
• Hot in start or run
• Interior lights system
• Low
• Med high
• Med low
• Off
• Rear window heater on
• Rear window heater switch
• Rear window heater switch illumination
• Recirculation air actuator (behind right side of dash, next to blower motor)
• Recirculation on
• Recirculation switch
• Recirculation switch illumination
• S224 (in main wiring
• Solid state

2.0L, Manual A/C Wiring Diagram, SVT (2 of 2) for Ford Focus LX 2004

List of elements for 2.0L, Manual A/C Wiring Diagram, SVT (2 of 2) for Ford Focus LX 2004:

• (in fuel shutoff solenoid wiring harness, near breakout to intake system) s198
• (in junction box wiring harness near battery junction box) s102
• (in junction box wiring harness near battery junction box) s117
• (in junction box wiring harness near battery junction box) s119
• (in junction box wiring harness, near battery junction box) s118
• (in junction box wiring
• (in left rear corner of engine compartment) battery junction box (bjb)
• 15s-re8
• 31s-fa11
• 31s-pa7
• 8-pa13
• 8-rj5
• 9-re8
• A/c clutch field coil (at right front of engine compartment)
• A/c clutch relay
• A/c compressor clutch diode
• Acc
• Battery (in left side of engine compt)
• Battery junction box (bjb) (in left rear corner of engine compartment)
• Breakout for right
• C270e
• Central junction box (cjb) (behind left side of dash)
• Dual pressure switch 1) normal pressure 2) high pressure (at right side of engine compartment)
• Engine coolant temperature (ect) sensor (at top rear of engine)
• Engine cooling fan resistor)
• Engine cooling fan motor (on radiator)
• Engine cooling fan relay
• Front park/turn lamp)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G102 (at right front of engine compartment)
• G103 (at left side of engine compartment)
• Ground switched
• Hot at all times
• Ignition switch
• Lock
• Pcm power diode
• Power hold relay
• Powertrain control module (pcm) (behind right side of dash, at base of "a" pillar)
• Red
• Run off
• S1001 (in engine cooling fan
• S109
• S163 (in engine control wiring harness, near breakout for a/c compressor cycling switch)
• Sensor return
• Sensor signal
• Start
• Switched volt

2.3L

2.3L, Manual A/C Wiring Diagram (1 of 2) for Ford Focus LX 2004

List of elements for 2.3L, Manual A/C Wiring Diagram (1 of 2) for Ford Focus LX 2004:

• (at left ``a" pillar) g204
• (in main wiring
• (in main wiring harness, near breakout for instrument cluster) s212
• (not used)
• 15-fa13
• 15s-fa38
• 29-fa13
• 29s-le10
• 31s-fa26
• 31s-hb22
• 31s-hb31
• 32-fa76
• 33-fa76
• 91-fa13
• 91s-fa20
• A/c compressor cycling switch 1) pressure increasing 2) pressure decreasing (in left rear corner of engine compartment)
• A/c on
• A/c switch
• A/c switch illumination
• Battery junction box (bjb) (in left rear corner of engine compartment)
• Blower motor resistor (behind center of dash)
• C270a
• C270e
• Central junction box (cjb) (behind left side of dash)
• Defogger system
• Fuse 40a
• Fuse 7.5a
• G203 (at right ``a" pillar)
• Harness, near breakout for instrument cluster) s206
• Heater blower motor (behind center of dash)
• Heater blower switch
• Heater control module (behind dash)
• High
• Hot at all times
• Hot in start or run
• Interior lights system
• Low speed
• Med high
• Med low
• Off
• Rear window heater on
• Rear window heater switch
• Rear window heater switch illumination
• Recirculation air actuator (behind right side of dash, next to blower motor)
• Recirculation on
• Recirculation switch
• Recirculation switch illumination
• S224 (in main wiring harness, near breakout for instrument cluster)
• Solid state

2.3L, Manual A/C Wiring Diagram (2 of 2) for Ford Focus LX 2004

List of elements for 2.3L, Manual A/C Wiring Diagram (2 of 2) for Ford Focus LX 2004:

• (1: normal pressure) (2: high pressure)
• (at left
• (at right front of engine compartment) g102
• (at right ``a" pillar) g202
• (in engine cooling fan wiring harness, at breakout for engine cooling fan resistor) s1002
• (in junction box wiring harness, near battery junction box) s107
• (in junction box wiring harness, near battery junction box) s108
• (in junction box wiring harness, near battery junction box) s117
• (in junction box wiring harness, near battery junction box) s118
• (in junction box wiring harness, near battery junction box) s119
• (near breakout for right front park/ turn lamp) s109
• 15s-re8
• 31s-fa11
• 31s-pa17
• 31s-pa7
• 8-pa13
• 8-rj33
• 9-rj33
• A/c clutch field coil (at right front of engine compartment)
• A/c clutch relay
• A/c compressor clutch diode
• Acc
• Battery junction box (bjb) (in left rear corner of engine compartment)
• Battery junction box (bjb) (in left rear corner of engine compt)
• C175b
• C175e
• C270e
• Central junction box (cjb) (behind left side of dash)
• Compressor cycling switch)
• Cooling fan motor diode
• Cooling fan run-on thermo switch (at left side of engine compt)
• Cylinder head temperature sensor (on cylinder head)
• Dual pressure switch (at right side of engine compartment)
• Engine cooling fan motor (on radiator)
• Engine cooling fan resistor (in front of engine compartment, near engine cooling fan)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 50a
• High speed run-on cooling fan relay
• Hot at all times
• Ignition switch
• Low speed fan control relay
• Off
• Pcm power diode
• Power hold relay
• Powertrain control module (pcm) (behind right side of dash, at base of ``a" pillar)
• Red
• Relay control
• Run
• S1001 (in engine cooling fan wiring harness near breakout for engine cooling fan resistor)
• S162 (in engine control wiring harness, near breakout for a/c
• S198 (in fuel shut-off solenoid wiring harness, near breakout to intake system)
• S279 (near breakout for c211)
• Second cooling fan motor (on radiator)
• Sensor return
• Sensor signal
• Side of engine compartment) g103
• Start
• Switch input