AIR CONDITIONING – Ford Expedition 2002 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Ford Expedition 2002

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Ford Expedition 2002:

• (left rear wheelwell) g402
• (lower right kick panel) g200
• (main harness, near breakout to glove compartment lamp) s200
• (not used)
• (safety belt retractor harness, near breakout to rpo relay box 2) s424
• 87a
• A/c press cutoff sig
• Air bag sliding contact (at base of steering column)
• Amb temp sens input
• Ambient air temperature sensor (left front of engine compartment)
• Audio/climate control switch assembly
• Aux rly ctrl
• Auxiliary a/c control module (in rear of vehicle, behind left side panel)
• Battery
• Battery junction box (on left side of engine compartment)
• Blend door (wiper)
• Blend door 5v+
• Blend door act gnd
• Blend door actuator
• Blend door actuator (behind center of dash)
• Blower ctrl out
• Blower motor (on right side of engine compartment)
• Blower motor speed controller (behind right side of dash)
• Blower relay
• Blower/flasher relay block (behind center of dash)
• C205
• C242
• C243
• C280
• C281
• C282
• Central junction box (under left side of dash)
• Electronic automatic temperature control (eatc) module (behind center of dash)
• Front panel illum
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse 5a
• G200 (lower right kick panel)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Ignition
• In-car temp sens
• In-car temperature sensor (behind center of dash)
• Inst panel lp feed
• Interior lights system
• Nca
• Near breakout to instrument cluster)
• Red
• S134 (engine control sensor harness, near breakout to 40 pin in-line connector, left rear corner of engine compartment)
• S203 (main harness, near breakout to rpo relay block)
• S292 (main harness, near breakout to electronic automatic temperature control (eatc))
• S293 (main harness, near breakout to electronic automatic temperature control (eatc))
• Sensor input gnd
• Solid state
• Spc (+)
• Spc (-)
• Steering column assembly
• Steering whl sw
• Sunload sens input
• Sunload sensor (top right side of dash)

Automatic A/C Wiring Diagram (2 of 3) for Ford Expedition 2002

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Ford Expedition 2002:

• (interior lamp feed harness, near breakout to 12 pin in-line connector, left front of left rear wheelwell) (w/o roof opening panel) (console panel wiring harness, in breakout to front blower switch) (w/roof opening panel)
• (interior lamp feed harness, near breakout to 16 pin in-line connector, left front of left rear wheelwell) (w/o roof opening panel) (console panel wiring harness, near breakout to cd changer) (w/roof opening panel) s352 (w/roof opening panel) s920 (w/o roof opening panel)
• (interior lamp feed harness, near breakout to left side rail lamp) (w/o roof opening panel) (console panel harness, near breakout to rear mode potentiometer) (w/roof opening panel) s340 (w/roof opening panel) s918 (w/o roof opening panel)
• (left rear wheelwell) g402
• (main harness, in breakout to central junction box) s228
• (main harness, near breakout to passenger airbag) s295
• (not used)
• (safety belt retractor harness, near breakout to auxiliary a/c mode switch) s422
• (w/o roof opening panel)
• (w/roof opening panel)
• (w/roof opening panel) (console panel harness, near breakout to rear mode potentiometer) (w/o roof opening panel) (interior lamp feed harness, near breakout to 12 pin in-line connector, left front of left rear wheelwell)
• Anti-lock brakes system
• Auxiliary a/c blend actuator (in rear of vehicle, behind left side panel)
• Auxiliary a/c mode actuator (in rear of vehicle, behind left side panel)
• Battery junction box (on left side of engine compartment)
• C242
• C243
• Central junction box (under left side of dash)
• Console blower relay
• Data link connector (dlc) (partial) (under center of dash)
• Front blend potentiometer (w/o roof opening panel) (in center of headliner) (w/roof opening panel) (in front of floor console)
• Front mode potentiometer (w/o roof opening panel) (in center of headliner) (w/roof opening panel) (in front of floor console)
• Fuse 10a
• Fuse 5a
• Hot in run
• Instrument cluster system
• Pnk/ (main harness, near breakout to passenger air bag) s296
• Powertrain control module (pcm) (on right side of engine compartment)
• Rear blend potentiometer (w/o roof opening panel) (in center of headliner) (w/roof opening panel) (in rear of floor console)
• Rear mode potentiometer
• Red
• Rpo relay block 1 (behind right side of dash, above passenger air bag)
• S2007 (main harness, near breakout to central junction box)
• S2008 (main harness, near breakout to instrument cluster)
• S339 s919
• S930 s921
• Solid state
• Tan/ red
• Wot relay

Automatic A/C Wiring Diagram (3 of 3) for Ford Expedition 2002

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Ford Expedition 2002:

• (console panel harness, near breakout to console blower motor) s322
• (engine control sensor harness, near breakout to starter motor relay) s102
• (interior lamp feed harness, near breakout to 3 pin in-line connector, in center of headliner) s923
• (left rear wheelwell) g402
• (lower right kick panel) g200
• (not used)
• (rear of right fender apron) g102
• (safety belt retractor harness, near breakout to driver side impact sensor) s335
• 0.6 ohms
• 2.7 ohms
• 3.8 ohms
• 87a
• A/c clutch cycling pressure switch (in right rear corner of engine compartment)
• A/c clutch diode
• A/c compressor clutch solenoid (in right front of engine compartment)
• A/c pressure cut-off switch (in right side of engine compartment)
• Auxiliary a/c blower motor (in rear of vehicle, behind left side panel)
• Auxiliary a/c blower motor resistor (in rear of vehicle, behind left side panel)
• Auxiliary a/c relay
• Battery junction box (on left side of engine compartment)
• Console blend door actuator (inside left center of floor console)
• Console blower motor (inside center of floor console)
• Console blower motor resistor (in center of floor console)
• Front blower motor switch
• Fuse 30a
• High
• Hot at all times
• Low
• Med
• Off
• Ohms
• Rear
• Rear blower motor switch
• Rear integrated control panel (ricp) (rear blower switch)
• Red/ pnk
• Red/pnk
• Rpo relay block 2 (in front of left rear wheelwell)
• S322 (console panel harness, near breakout to console blower motor)
• S423 (safety belt retractor harness, near breakout to auxiliary a/c mode blower motor resistor assembly)
• S916 (w/o roof opening panel) (interior lamp feed harness, near breakout to left side rail lamp)
• S929 (w/roof opening panel) (console panel harness, in breakout to front blower switch)
• W/o roof opening panel
• W/roof opening panel

Manual A/C Wiring Diagram (1 of 2) for Ford Expedition 2002

List of elements for Manual A/C Wiring Diagram (1 of 2) for Ford Expedition 2002:

• (heater blower motor feed harness, in breakout to blower motor resistor) s125
• (interior lamp feed harness, near breakout to 12 pin in-line connector, left front of left rear wheelwell) (w/o roof opening panel) (console panel wiring harness, in breakout to front blower switch) (w/roof opening panel)
• (interior lamp feed harness, near breakout to 16 pin in-line connector, left front of left rear wheelwell) (w/o roof opening panel) (console panel wiring harness, near breakout to cd changer) (w/roof opening panel) s352 (w/roof opening panel) s920 (w/o roof opening panel)
• (interior lamp feed harness, near breakout to left side rail lamp) (w/o roof opening panel) (console panel harness, near breakout to rear mode potentiometer) (w/roof opening panel)
• (left rear wheelwell) g402
• (lower right kick panel) g200
• (main harness, near breakout to rpo relay block)
• (safety belt retractor harness, near breakout to auxiliary a/c mode switch) s422
• (w/o roof opening panel)
• (w/roof opening panel)
• (w/roof opening panel) (console panel harness, near breakout to rear mode potentiometer) (w/o roof opening panel) (interior lamp feed harness, near breakout to 12 pin in-line connector, left front of left rear wheelwell)
• (w/roof opening panel) (w/o roof opening panel)
• 87a
• Auxiliary a/c blend actuator (in rear of vehicle, behind left side panel)
• Auxiliary a/c control module (in rear of vehicle, behind left side panel)
• Auxiliary a/c mode actuator (in rear of vehicle, behind left side panel)
• Battery junction box (on left side of engine compartment)
• Blend door actuator (behind center of dash)
• Blend door potent- iometer
• Block)
• Blower motor (on right side of engine compartment)
• Blower motor switch
• Blower relay
• Blower/flasher relay block (behind center of dash)
• C217
• C218
• C219
• C220
• C242
• C243
• Central junction box (under left side of dash)
• Cold
• Def
• Def/flr
• Flasher relay block)
• Floor
• Flr & def
• Front blend potentiometer (w/o roof opening panel) (in center of headliner) (w/roof opening panel) (in front of floor console)
• Front mode potentiometer (w/o roof opening panel) (in center of headliner) (w/roof opening panel) (in front of floor console)
• Function selector switch assembly
• Fuse 23 10a
• Fuse 24 10a
• Fuse 40a
• Fuse 5 15a
• Fuse 5a
• High
• Hot at all times
• Hot in run
• Illumination
• Interior lights system
• Low
• Max a/c
• Med high
• Med low
• Mode selector switch
• Norm a/c
• Off
• Pan & flr
• Pan/flr
• Panel
• Pnk (main harness, near breakout to instrument cluster) s222
• Rear blend potentiometer (w/o roof opening panel) (in center of headliner) (w/roof opening panel) (in rear of floor console)
• Rear mode potentiometer
• Red
• S203
• S339 s919
• S340 s918
• S424 (safety belt retractor harness, near breakout to rpo relay box 2)
• S930 s921
• Solid state
• To rpo relay box 2) s424
• Warm

Manual A/C Wiring Diagram (2 of 2) for Ford Expedition 2002

List of elements for Manual A/C Wiring Diagram (2 of 2) for Ford Expedition 2002:

• (console panel harness, near breakout to console blower motor) s322
• (engine control sensor harness, near breakout to 40 pin in-line connector, left rear corner of engine compartment) s134
• (interior lamp feed harness, near breakout to 3 pin in-line connector, in center of headliner) s923
• (left rear wheelwell) g402
• (lower right kick panel) g200
• (main harness, near breakout to glove compartment lamp) s200
• (near blower motor) blower motor resistor
• (not used)
• (rear of right fender apron) g102
• .33 ohms
• .62 ohms
• 1.38 ohms
• 87a
• A/c clutch cycling pressure switch (in right rear corner of engine compartment)
• A/c clutch diode
• A/c compressor clutch solenoid (in right front of engine compartment)
• A/c pressure cut-off switch (in right side of engine compartment)
• Accs
• Auxiliary a/c blower motor (in rear of vehicle, behind left side panel)
• Auxiliary a/c blower motor resistor (in rear of vehicle, behind left side panel)
• Auxiliary a/c relay
• Battery junction box (on left side of engine compartment)
• Front blower motor switch
• Fuse 15a
• Fuse 30a
• G200 (lower right kick panel)
• Harness, near breakout to instrument cluster) s204
• Hot at all times
• Hot in run or start
• Off
• Powertrain control module (pcm) (on right side of engine compartment)
• Rear
• Rear blower motor switch
• Red/pnk
• Rpo relay block 2 (in front of left rear wheelwell)
• S102
• S423 (safety belt retractor harness, near breakout to auxiliary a/c mode blower resistor assembly)
• S916 (w/o roof opening panel) (interior lamp feed harness, near breakout to left side rail lamp)
• S929 (w/roof opening panel) (console panel wiring harness, in breakout to front blower switch)
• W/o roof opening panel
• W/roof panel opening
• Wot relay