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AIR CONDITIONER: COMPRESSOR CONTROL
Component Index
A/C Compressor
2.2L
3.2L
A/C Compressor Relay
2.2L
3.2L
A/C Dual Pressure Switch
A/C Pressure Switch
A/C Switch
2.2L
3.2L
A/C Triple Pressure Switch
Condenser Fan
2.2L
3.2L
Condenser Fan Hi Relay
Condenser Fan Lo Relay
Condenser Fan Relay
Electronic Thermostat
2.2L
3.2L
Engine or Powertrain Control Module
(ECM or PCM) (2.2L)
Engine Control Module (ECM) (3.2L)
Evaporator Temperature Sensor
2.2L
3.2L
Fuse/Relay Box
2.2L
3.2L
Heater–A/C Control Panel
2.2L
3.2L
Option Box
Thermo Switch Relay
2.2L
3.2L
C-3
Connector
RED
See Ground Distribution,
page 14-1.
OFF
1
2
3
4
FAN
CONTROL
SWITCH
1
I-23
Connector
B-7
BLK
6
I-23
Connector
BLK
RED
RED
RED
ILLUMINATION
HEATER-A/C
CONTROL
PANEL
RED
I-33
Connector
RED/
GRN
1
RED
I-33
Con-
nector
GRN/RED
4
Dash and
Console Lights
Page 117-1
Dash and
Console
Lights
Page 117-1
E15
Engine
Controls
Page 23-4
BRN
H-13
Connector
6
AIR CONDITIONER: COMPRESSOR CONTROL: 2.2L A/T
Circuit Schematic
63
EB-7
A/C
10A
HOT IN ON
I-24
Con-
nector
3
BRN
BRN
BRN
I-24
Connector
2
A/C
SWITCH
1
1
X-8
THERMO
SWITCH
RELAY
GRN/BLK
Solid State
C-40
Connector
2
1
2
GRN/RED
X-8
3
C-40
Connector
WHT
WHT
WHT
H-14
Connector
14
GRN/BLK
ELECTRONIC
THERMOSTAT
EVAPORATOR
TEMPERATURE
SENSOR
WHT
H-14
Connector
15
GRN/
BLK
OFF
ON
FUSE/RELAY
BOX
E-3
Connector
BRN/YEL
9
BRN/YEL
A/C
PRESSURE
SWITCH
ENGINE OR POWERTRAIN CONTROL
MODULE (ECM OR PCM)
Solid-state: Do not check resistance.
GRY/
RED
BLK
C-1
Con-
nector
5
X-2
2
A/C
COMPRESSOR
RELAY
4
1
X-2
FUSE/RELAY
BOX
BRN
BRN
BRN
FUSE/
RELAY
BOX
H-6
Connector
A/C
compressor
relay control
A/C
ON
input
C-11
Connector
1
RED
GRY/BLK
2
GRN
3
C-1
Con-
nector
B14
GRY/BLK
RED
B9
A1
RED
D9
C-2
Con-
nector
Ground
A/C
pressure
switch input
Refer-
ence
BRN
BRN
BLK
GRN/BLK
BRN
GRN/
BLK
CLUTCH
A/C
COMPRESSOR
BRN
BRN
Air Delivery
Door Control
Page 64
BRN
4
3
5
NOTE: The BLOWER
and A/C fuses are hot
with engine running
through heater A/C relay;
see page 62.
63-1
AIR CONDITIONER: COMPRESSOR CONTROL: 2.2L M/T
EB-20
ELECT
FAN
40A
RED/WHT
ENGINE OR
POWERTRAIN
CONTROL
MODULE
(ECM OR PCM)
Solid-state:
Do not check
resistance.
RED/YEL
C-36/P-6
BLK
4
X-13
3
CONDENSER
FAN LO
RELAY
2
1
X-13
OPTION
BOX
FUSE/RELAY
BOX
C-2
Connector
HOT AT ALL TIMES
RED/WHT
ENGINE OR POWERTRAIN
CONTROL MODULE
(ECM OR PCM)
Solid-state: Do not
check resistance.
E2
X-16
Connector
3
X-16
Connector
2
C-3
Connector
RED/GRN
CONDENSER
FAN HI
RELAY
RED/WHT
RED/GRN
RED/GRN
GRN
C-2
Connector
C12
1
BLK
3
BLK
C-35
Connector
4
2
C-35
Connector
CONDENSER
FAN
Condenser
fan output
RED/BLU
RED
BLK
YEL
LT GRN
BLU
Condenser
fan LO
relay
control
Condenser
fan HI
relay
control
See Ground
Distribution,
page 14-5.
M
FUSE/
RELAY
BOX
Air
Delivery
Door
Control
FACE
BI-LEVEL
FOOT
FOOT/
DEFROST
DEFROST
GRN/BLK
2
I-33
Connector
BLU
6
WHT
I-33
Connector
BRN
HEATER-A/C
CONTROL
PANEL
DIODE
BLK
Air
Selector
Knob
C13
4
1
ENGINE OR
POWERTRAIN
CONTROL
MODULE
(ECM OR PCM)
Solid-state:
Do not check
resistance.
RED
BRN
BRN
H-13
Connector
6
AIR CONDITIONER: COMPRESSOR CONTROL: 3.2L
Circuit Schematic
A/C
TRIPLE
PRESSURE
SWITCH
See Ground Distribution,
page 14-1.
EB-7
A/C
10A
HOT IN ON
I-24
Connector
3
NOTE: The BLOWER
and A/C fuses are hot
with engine running
through heater-A/C
relay; see page 62.
BRN
BRN
C-11
Connector
2
C-11
Connector
1
GRN/WHT
I-24
Connector
2
A/C
SWITCH
1
5
X-8
2
THERMO
SWITCH
RELAY
1
5
X-2
2
4
A/C
compressor
relay control
4
1
BRN/YEL
H-4
Connector
5
A/C
COM-
PRES-
SOR
RELAY
45
E-21
Connector
E-3
A/C
ON
input
OFF
1
2
3
4
FAN
CONTROL
SWITCH
1
I-23
Connector
B-7
BLK
ENGINE CONTROL MODULE (ECM)
Solid-state: Do not check resistance.
Solid-State
C-40
Connector
2
1
3
GRN/RED
X-8
3
C-40
Connector
WHT
6
I-23
Connector
WHT
WHT
H-14
Connector
14
GRN/BLK
ELECTRONIC
THERMOSTAT
EVAPORATOR
TEMPERATURE
SENSOR
WHT
GRN/BLK
A/C DUAL
PRESSURE
SWITCH
X-2
GRY/RED
C-9
Connector
1
C-9
Connector
4
BRN
BLK
M/T
A/T
BLK
Blower Controls
Page 62
GRN/BLK
H-14
Connector
15
GRN/BLK
OFF
ON
FUSE/RELAY
BOX
CLUTCH
EB-5
BLOWER
15A
FUSE/
RELAY
BOX
BRN/YEL
BRN
BRN
GRN/BLK
BLU/WHT
GRN/WHT
GRN/WHT
BRN
BRN
BRN
A/C COMPRESSOR
RED
RED
RED
ILLUMINATION
HEATER-A/C
CONTROL
PANEL
RED
I-33
Connector
RED/GRN
1
RED
I-33
Connector
GRN/RED
4
Dash and
Console
Lights
Page 117-1
Dash and
Console
Lights
Page 117-1
EB-6
BLOWER
15A
BLU/WHT
H-4
Connector
GRY/RED
10
H-4
Connector
15
GRN/BLK
GRN/BLK
GRN/BLK
Air Delivery
Door Control
Page 64
BRN
BRN
BRN
BRN
1
2
4
3
5
63-2
HEATER-
A/C
CONTROL
PANEL
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