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Climate Control System: Notes

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Refer to SYSTEM WIRING DIAGRAM for schematic and connector information.

SPECIAL TOOLS

G03878958
 Worldwide Diagnostic System (WDS) Vehicle Communication Module (VCM) with appropriate adapters, or equivalent diagnostic tool
G03910323
 R-134a Manifold Gauge Set 176-R032A or equivalent
G03951940
 Connector, Refrigerant Pressure Line 412-093 (T94P-19623-E)
G03952052
 Set, A/C Fittings 412-DS028 (D93L-19703-B) or equivalent
G04002818
 Refrigerant Leak Detector 216-00001 or equivalent
G03934020
 Pressure Tester 014-R1072 or equivalent
G03879062
 Fluke 77 III Automotive Meter 105-R0056 or equivalent
Fig 1: Vacuum Schematic-Manual A/C (1 Of 2)
G03924241Courtesy of FORD MOTOR CO.
Fig 2: Vacuum Schematic-Manual A/C (2 Of 2)
G03924242Courtesy of FORD MOTOR CO.
Fig 3: Function Selector Switch Vacuum Connector End View
G03924243Courtesy of FORD MOTOR CO.
VACUUM APPLICATION CHART - MANUAL A/C

Switch Port Color Function Function Selector Switch Position
MAX A/C A/C PANEL OFF PNL/ FLR FLOOR FLR/ DEF DEF
1 White Retire/ Fresh and Heater Control Valve V NV NV V NV NV NV NV
2 Yellow Panel/ Floor NV NV NV V NV V NV NV
3 Black Vacuum Source V V V V V V V V
5 Blue Panel/ Floor NV NV NV V V V V NV
6 Red Panel/ Defrost V V V NV V NV NV NV
V = Vacuum
NV= No Vacuum
Fig 4: Vacuum Schematic-EATC (1 Of 2)
G03924244Courtesy of FORD MOTOR CO.
Fig 5: Vacuum Schematic-EATC (2 Of 2)
G03924245Courtesy of FORD MOTOR CO.
Fig 6: ATC Solenoid And Manifold Vacuum Connector End View
G03924246Courtesy of FORD MOTOR CO.
VACUUM APPLICATION CHART - EATC

Port Color Function Manual Override Buttons
OFF PANEL PNL/FLR FLR FLR/DEF DEF
0 Black Vacuum Source V V V V V V
1 White Air Inlet(1) V V/NV V/NV V/NV V/NV NV
2 Yellow Panel/Floor V NV NV V NV NV
3 Blue Panel/Floor V NV V V V NV
4 Red Panel/ Defrost NV V V NV NV NV
5 Gray Heater Control Valve(2) V V/NV V/NV V/NV V/NV V/NV
(1) The EATC system may be manually set to enable or disable the recirculation of cabin air by pressing the RECIRCULATION manual override button in all manual override modes except DEFROST.
(2) The automatic temper control solenoid and manifold will supply vacuum and close the heater control valve depending on the EATC module settings and ambient conditions in any setting except OFF.
(3) V = Vacuum
(4) NV= No Vacuum
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