LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Taurus SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 933 (Climate Control System - General Information And Diagnostics) >> Diagnostic Tests >> Climate Control System >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Climate Control System: Notes

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools

Illustration Tool Name Tool Number
GF0000049
Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool
GF0000039
Rotunda 73 III Automotive Meter 105-R0051 or equivalent
GF0000997
Vacuum Pump Kit 416-D002 (D95L-7559-A) or equivalent
GF0001292
R-134a Manifold Gauge Set 176-R032A or equivalent
GF0001294
Set, A/C Fittings 412-DS028 (014-00333, D93L-19703-B) or equivalent
GF0001295
Refrigerant Leak Detector 216-00001 or equivalent
GF0000632
Pressure Test Kit 014-R1072 or equivalent
GF0010836
Connector, Refrigerant Compressor Line 412-093 (T94P-19623-E)
Fig 1: Vacuum Schematic - Manual Climate Control System
GF0010837Courtesy of FORD MOTOR CO.
Item Part Number Description
1 18A318 Vacuum control motor - panel/defrost door
2 18A478 Panel/defrost door (full vacuum position)
3 - Defrost airflow
4 - Side window demister airflow
5 18B545 Temperature blend door (full heat position)
6 19860 A/C evaporator core
7 19A813 Recirculation air duct door (full vacuum position)
8 - Outside air inlet
9 18A318 Vacuum control motor - recirculation air duct door
10 - Recirculated air inlet
11 19805 Blower motor
12 19A566 Vacuum reservoir tank
13 - Vacuum from the engine intake manifold
14 19B888 Function selector switch
15 18495 Heater control valve
16 18476 Heater core
17 18A559 Floor/panel door (full vacuum position)
18 - Floor airflow
19 18A318 Vacuum control motor - floor/panel door
20 - Instrument panel vent airflow
Fig 2: Vacuum Connector End View - Manual A/C
GF0007869Courtesy of FORD MOTOR CO.
Port Number Line Color Function
1 White Recirculation air duct door and heater control valve
2 Yellow Floor/panel door
3 Black Vacuum source
4 - Not used
5 Blue Floor/panel door
6 Red Panel/defrost door
VACUUM APPLICATION CHART - MANUAL A/C

Port Number Line Color Function Function Selector Switch Position
MAX A/C A/C VENT OFF FLR/ PNL FLR FLR/ DEF DEF
1 White Outside/ recirculated air, heater control valve V NV NV V NV NV NV NV
2 Yellow Floor/ panel NV NV NV V NV V NV NV
3 Black Vacuum source V V V V V V V V
5 Blue Full 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