Ford Taurus 2003 - Climate Control System Diagnosis and Troubleshooting; Inspection and Verification

Electronic Automatic Temperature Control Vacuum Connector End View
a
Also controls the floor console door, if equipped.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MANUAL OVERRIDE VACUUM APPLICATION CHART
a
Also controls the floor console door, if equipped.
V = vacuum
NV = no vacuum
Inspection and Verification
1. Verify the customer's concern by operating the climate control system to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns apply:
Visual Inspection Chart
4 — Defrost door, full vacuum position
5 — Defrost airflow
6 — Side window demister airflow
7 — Supplemental temperature blend door, full heat position
8 — Recirculation air inlet
9 18731 Supplemental recirculation air inlet door, full vacuum position
10 18731 Air inlet door, full vacuum position
11 — Outside air inlet
12 19N619 Pollen filter (optional)
13 18A318 Vacuum control motor—air inlet doors
14 — Recirculation air inlet
15 19805 Blower motor
16 19860 Evaporator core
17 — Temperature blend door, full heat position
18 18476 Heater core
19 — A/C evaporator case damper door, full heat position
20 — Panel/floor door, full vacuum position
21 — Floor airflow
22 — To vacuum distribution
23 19A566 Vacuum reservoir tank
24 18C612 Remote climate control (RCC) module
25 18A318 Vacuum control motor—panel/floor door
26 — Floor console airflow (floor console equipped only)
27 18A318 Vacuum control motor—floor console door (floor console equipped only)
Port Number Line Color Function
1 — Not used
2 Yellow
Defrost door
a
3 Blue Panel/floor door
4 Black Source vacuum
5 White Air inlet door
6 Red Panel/floor door
Port Number Line Color Function
Manual Override Selector Button
MAX A/C PANEL OFF PNL/ FLR FLR FLR/ DEF DEF
2 Yellow
Defrost
a
V V NV V NV NV NV
3 Blue Panel/ floor NV NV V V V V NV
4 Black Source vacuum V V V V V V V
5 White Outside/ recirculated air V NV V NV NV NV NV
6 Red Full floor NV NV V NV V NV NV
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2003 Taurus/Sable Workshop Manual
11/22/2011
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS3H/~MUS~LEN/19/
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