Automatic Temperature Control; In-Car Sensor - Pontiac Grand Prix Service Manual

AUTOMATIC TEMPERATURE CONTROL
CONTENTS OF THIS SECTION
SUBJECT PAGE SUBJECT PAGE
. . . . . . .
Remove and Replace Procedures
Temperature Door Link
. . . . . . . . . . . . . . . .
In Car Sensor. 1B-1 to Programmer
. . . . . . . . . . . . . .
.1B-6
. . . . . . . . .
Ambient Sensor and Switch
1B-2 In Car A/C Wire Harness.
. . . . . . . . .
1B-6
Vacuum Hose Harness
. . . . . . . . . . . .
1B-2 Programmer.
. . . . . . . . . . . . . . . .
. 1 ~ - 7
Control Panel
. . . . . . . . . . . . . . . . .
1B-3
Bi Level Boost Switch
. . . . . . . . . . . .
1 ~ - 10
. . . . . . . . . .
Control Panel Components
1B-3 Wiring Schematic
. . . . . . . . . . . . . . . .
1B- 11
Temperature Control Switch
-
Vacuum Schematic
. . . . . . . . . . . . . . .
1 ~ - 1 1
. . . . . . . . . . . . .
Variable Resistor. 1B-3
The Automatic Temperature Control system, A.T.C., is
IN-CAR SENSOR
an option offered with air conditioning on all Pontiac
and Grand Prix models. The A.T.C. system controls
ALL
-
REMOVE AND REPUCE
incar temperature automatically by utilizing two
thermistors ?temperature sensing devices) and a-varia-
ble resistor id the control panel (controled by opera-
1. Remove glove box on Pontiac and -cold air duct on
tor).
Grand Prix models.
The refrigeration portion of the A.T.C. system is the
2. Remove wire connector p i g . 1B-1).
same as the Custom Air Conditioning system and can
be serviced by referring to the appropriate section. 3. Remove aspirator hose.
POWER FEED BROWN
CONTROL PANEL
Fig. 16-1 Automatic Temperature Control-In Car
Wire Harness