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Air Conditioning — Jeep Grand Cherokee Limited 2009 Wiring Diagram

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Jeep Grand Cherokee Limited 2009

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Jeep Grand Cherokee Limited 2009:

(left rear
87a
A/c heater control
A114
Blower motor (right side of hvac unit)
Blower motor relay
Blower mtr gnd
Blower mtr power
Blower mtr rly out
C115
C121
C139
C161
C21
C255
C266
C268
C55
C56
C61
C66
C68
C75
C939
Can b bus (+)
Can b bus (-)
Computer data lines system
D54
D55
Defogger rly ctrl
Drv panel lamps
Evaporator temp sens sig
Evaporator temperature sensor (left side of hvac unit)
F921
Front blower control
Front blower ctrl
Front blower power module (right side of hvac unit)
Front mode door common drv
Front mode door drv
Fuse 10 10a
Fuse 11 40a
Fused b (+)
Fused run rly out
G139
G200 (near breakout to data link connector)
G39
G939
Ground
Hot at all times
Hot w/ run relay energized
Interior lights system
Junction block (left side of dash)
Left blend door common drv
Left blend door drv
Of engine compt) g100
Power distribution center (left side of engine compt)
Rear mode door actuator (center of hvac unit)
Rear mode door common drv
Rear mode door drv
Rear window defogger relay
Recirculation door common drv
Recirculation door drv
Right blend door actuator (center of hvac unit)
Right blend door common drv
Right blend door drv
S136
S204
Sens gnd
Sun sens 1 sig
Sun sens 2 sig
Sun sens return
Sun sens rtn
Sun sensor (top center of dash)
Z134
Z906

Automatic A/C Wiring Diagram (2 of 3) for Jeep Grand Cherokee Limited 2009

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Jeep Grand Cherokee Limited 2009:

(left rear of engine compt) g100
(left side of engine compt) g101
(left side of engine compt) g102
(left side of engine compt) integrated power module
3.0l
3.0l/ 4.7l
5.7l
5.7l/ 6.1l
5.7l/6.1l
87a
A/c clutch relay
A/c compressor clutch (4.7l: top front of engine) (5.7l/6.1l: lower left front of engine)
A/c pressure sig
A/c pressure transducer (right front of engine compt)
A916
C18
Can c bus (+)
Can c bus (-)
Computer data lines system
D64
D65
Except
Except 3.0l
F891
Fan rly ctrl
Fcm sens return
Front control module
Front mode door actuator (left side of hvac unit)
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 25a
Fuse 50a
Fused b (+)
Ground
High speed fan rly out
Hot at all times
Hot in on or start
Hot w/ auto shut down relay energized
Hydraulic cooling fan module (5.7l/3.0l) (left side of engine compt)
Ipm
Junction block (left side of dash)
K173
Left blend door actuator (left side of hvac unit)
Low speed fan rly out
N23
N24
Power distribution center (left side of engine compt)
Radiator fan ctrl
Radiator fan high relay (3.7l & 4.7l)
Radiator fan low relay (3.7l & 4.7l)
Radiator fan solenoid ctrl
Radiator fan/motor assembly (3.7l & 4.7l) (behind radiator)
Recirculation door actuator (right side of hvac unit)
Red
Red/ tan
S106
S125 (3.0l & 3.7l)
S128 (3.0l/ 5.7l)
S151 (in headlamp & dash harness)
S202 (premium)
Z823

Automatic A/C Wiring Diagram (3 of 3) for Jeep Grand Cherokee Limited 2009

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Jeep Grand Cherokee Limited 2009:

(left side of engine compt) integrated power module
3.0l
4.7l/5.7l/ 6.1l
A/c clutch relay control
C13
Cabin heater
Can c bus (+)
Can c bus (-)
Computer data lines system
D64
D65
Ect signal
Engine control module
Engine controls system
Engine coolant temperature sensor
Engine coolant temperature sensor (3.7l & 4.7l: top front of engine) (5.7l & 6.1l: left front of engine)
Front control module
Fuse 25a
Fuse 50a
G202
Hot at all times
Hot w/ auto shut down relay energized
Ipm
K125
K222
K360
K361
K363
K900
Power distribution center (left side of engine compt)
Powertrain control module (right rear of engine compt)
Ptc 1 relay (3.0l)
Ptc 2 relay (3.0l)
Ptc 3 relay (3.0l)
Ptc 3 rly ctrl
Red
Red/ tan
Rly ctrl
S141 (5.7l: right rear of engine) (3.7l & 4.7l: right side of engine) (6.1l: right rear of engine)
S151 (in headlamp & dash harness)
Sens gnd
Sens sig
Sensor ground

Manual A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Limited 2009

List of elements for Manual A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Limited 2009:

(in headlamp & dash harness) s198
(left rear
87a
A/c heater control
A/c sw sense
A/c sw sns
Blower high speed
Blower low speed
Blower m1 speed
Blower m2 speed
Blower motor (right side of hvac unit)
Blower motor relay
Blower motor resistor (right side of hvac unit)
Blower sw position sig
C115
C121
C139
C21
C221
C255
C266
C268
C41
C55
C66
C68
C70
C71
C72
C73
C939
Cluster
Defogger rly ctrl
Dimmer indicator sig
Dimmer sig ind
Drv panel lamps
E16
Evaporator temp sens sig
Evaporator temperature sensor (left side of hvac unit)
F921
Front mode door common drv
Front mode door drv
Fuse 10 10a
Fuse 11 40a
Fused run rly out
G200 (near breakout to data link connector)
Ground
Hot at all times
Hot w/ run relay energized
Interior lights system
Junction block (left side of dash)
Left blend door common drv
Left blend door drv
Of engine compt) g100
Power distribution center (left side of engine compt)
Rear mode door common drv
Rear mode door drv
Rear window defogger relay
Recirculation door actuator (right side of hvac unit)
Recirculation door common drv
Recirculation door drv
S136
S204
Sens gnd
Z134
Z906

Manual A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Limited 2009

List of elements for Manual A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Limited 2009:

(3.0l) engine coolant temperature sensor
(left rear of engine compt) g100
3.0l
3.7l & 4.7l
3.7l/6.1l
6.1l & 3.0l
87a
A/c clutch relay
A/c clutch relay control
A/c compressor clutch (3.7l & 4.7l: top front of engine) (5.7l & 6.1l: lower left front of engine)
A916
C13
Can c bus (+)
Can c bus (-)
Computer data lines system
D64
D65
Ect signal
Engine control module
Engine controls system
Engine coolant temperature sensor (3.7l & 4.7l: top front of engine) (5.7l & 6.1l: left front of engine)
Except 3.0l
Fan rly ctrl
Front control module
Front mode door actuator (left side of hvac unit)
Fuse 10a
Fuse 20a
Fuse 25a
Fuse 50a
Fused b (+)
G101 (left side of engine compt)
G102 (left side of engine compt)
Ground
High speed fan rly out
Hot at all times
Hot in on or start
Hot w/ auto shut down relay energized
Hydraulic cooling fan module (3.0l) (left side of engine compt)
Integrated power module (left side of engine compt)
Ipm
Junction block (left side of dash)
K173
K222
K900
Left blend door actuator (left side of hvac unit)
Low speed fan rly out
N23
N24
Power distribution center (left side of engine compt)
Powertrain control module (right rear of engine compt)
Radiator fan high relay (3.7l & 4.7l)
Radiator fan low relay (3.7l & 4.7l)
Radiator fan solenoid ctrl
Radiator fan/motor assembly (3.7l & 4.7l) (behind radiator)
Rear mode door actuator (center of hvac unit)
Red
Red/ tan
Rly ctrl
S106
S125 (except 3.0l & 3.7l
S128 (3.0l)
S141
S151 (in headlamp & dash harness)
Sens gnd
Sens sig
Sensor ground
Z823

AIR CONDITIONING – Jeep Grand Cherokee Limited 2009 – SYSTEM WIRING DIAGRAMS