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Air Conditioning — Chevrolet Suburban C2500 2011 Wiring Diagram

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 4) for Chevrolet Suburban C2500 2011

List of elements for Automatic A/C Wiring Diagram (1 of 4) for Chevrolet Suburban C2500 2011:

(bottom center of hvac module) blower motor control module
(center
(center of dash)
(headliner harness,
(left end of dash)
(left front
(rear hvac
(right front
(right front of hvac case) g200
(under right side of hvac module) blower motor
4b7
5v ref
A/c on ind
A/c on switch
Air temp
Air tmp
Amb tmp
Ambient light/
Approximately 35 cm from
Assembly
Auxiliary air temperature
B(+)
Blwr spd
Computer data lines system
Defogger system
Dfrst val
Evaporator temperature sensor (on hvac assembly)
Fresh air ind
Fresh air request switch
Front defogger ind
Front defogger switch
Front inside air
G200
G200 (right front of hvac case)
G201
Gmlan l
Gnd
Ground
Hvac ambient air temperature sensor (right front of engine compt)
Hvac control module
Ign volt
Inside air temperature
J203
J206 (instrument panel harness, approximately 14 cm from x207 breakout)
J325
J328
Junction block
L air tmp
Left i/p
Left temperature control
Lf sunld
Logic
Low ref
Lower
Mode cntrl
Mode ctrl
Mode down switch
Mode up switch
Module)
Of dash)
Of headliner)
Of hvac case)
Pass sunld
Pnk
Power distribution system
R air tmp
Rear defogger ind
Rear defogger switch
Recir ctrl
Recirc
Recircu- lation ind
Recircu- lation switch
Red
Rer defg
Right i/p junction block (right end of dash)
Right temperature control
Sens sig
Sensor
Sensor front breakout)
Sns sig
Spd ctrl
Sunload sensor
Sw sig
Tan
Temp sig
Temperature sensor
Upper
Upper left air temperature sensor
Upper right air temperature sensor
X103
X11
X207
X403
X407

Automatic A/C Wiring Diagram (2 of 4) for Chevrolet Suburban C2500 2011

List of elements for Automatic A/C Wiring Diagram (2 of 4) for Chevrolet Suburban C2500 2011:

(a/c compressor) a/c compressor clutch
(left side of dash) body control module (bcm)
(left side of engine compt) engine control module (ecm)
4a1
4a2
4a3
4a4
4a5
4a6
4b2
4b3
4b5
4b6
5-volt ref
A/c cmprsr fuse 17 10a
A/c cmprsr relay
Aux hvac-ign fuse 48 10a
Coil ctrl
Computer data lines system
Data bus+
Data bus-
E x4
Engine coolant temperature (ect) sensor (front of left cylinder head) b
G102 (lower left front of engine)
Hot at all times
Hvac batt fuse 39 10a
Hvac blwr fuse 70 40a
Hvac-ign fuse 55 10a
J219 (w/ heated steering wheel)
Low ref
Pnk
Red
Right i/p junction block (right end of dash)
Rly ctrl
Run/ crank relay
Sens sig
Tan
Under- hood fuse block (left side of engine compt)

Automatic A/C Wiring Diagram (3 of 4) for Chevrolet Suburban C2500 2011

List of elements for Automatic A/C Wiring Diagram (3 of 4) for Chevrolet Suburban C2500 2011:

(a/c high pressure hose) a/c refrigerant pressure sensor
(bottom left side of hvac module) lower right air temperature sensor
(left side of hvac module) lower left air temperature sensor
87a
Fan cntrl relay
Fan hi relay
Fan lo relay
Fan-1 fuse 57 40a
Fan-2 fuse 60 40a
G100 (lower left radiator support)
Hot at all times
J100
J101
J242 (in hvac wiring harness)
Left air temperature actuator (under left side of hvac module)
Left cooling fan (behind radiator)
Mode actuator (left side of hvac module)
Pnk
Pwr/ trn relay
Recirculation actuator (upper right of hvac module)
Right air temperature actuator (top of hvac module)
Right cooling fan (behind radiator)
Right radiator support) g101
Tan
Under- hood fuse block (left side of engine compt)

Automatic A/C Wiring Diagram (4 of 4) for Chevrolet Suburban C2500 2011

List of elements for Automatic A/C Wiring Diagram (4 of 4) for Chevrolet Suburban C2500 2011:

(or pnk)
5v ref
A10
A11
Auto switch
Auxiliary air temperature actuator (rear hvac module assembly)
Auxiliary blower motor (long wheel base: rear of rear hvac module) (short wheel base: right rear of passenger compt)
Auxiliary blower motor control module
Auxiliary inside air temperature sensor
Auxiliary mode actuator (rear hvac module)
Blower speed down switch
Blower speed up switch
Computer data lines system
G200 (right front of hvac case)
G402 (right "d" pillar)
Gmlan
Gnd
Hot at all times
Hvac control module
I/p fuse block (left end of dash)
J328
Logic
Low ref
Mde cntrl
Mode switch
Mtr cntrl
Pnk
Rear hvac fuse 30a
Rear seat audio (rsa) control (w/ rear seat & earphone jacks)
Sns cntrl
Spd ctrl
Temp cntrl
Temperature down switch
Temperature up switch
X202
X207
X403
X407

Compressor Wiring Diagram for Chevrolet Suburban C2500 2011

List of elements for Compressor Wiring Diagram for Chevrolet Suburban C2500 2011:

(a/c compressor) a/c compressor clutch
5-volt ref
A/c cmprsr fuse 17 10a
A/c cmprsr relay
A/c ind
A/c on
A/c refrigerant pressure sensor (a/c high pressure hose)
B(+)
Computer data lines system
Data bus+
Data bus-
Engine control module (ecm) (left side of engine compt)
G102 (lower left front of engine)
G200 (right front of hvac case)
Gmlan l
Ground
Hot at all times
Hvac batt fuse 39 10a
Hvac control module
J105
J203
Logic
Low ref
Rly ctrl
Sens sig
Tan
Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram (1 of 4) for Chevrolet Suburban C2500 2011

List of elements for Manual A/C Wiring Diagram (1 of 4) for Chevrolet Suburban C2500 2011:

(bottom center of hvac module) blower motor control module
(left end of dash) left i/p junction block
(right front of engine compt)
(right front of hvac case) g200
(under right side of hvac module) blower motor
4a2
4b7
5v ref
A/c on ind
A/c on switch
Air tmp
Auxiliary hvac control module (center of headliner)
B(+)
Blower control switch
Blwr spd
Computer data lines system
Defogger system
Dfrst val
Evaporator temperature sensor (on hvac assembly)
Front defogger ind
Front defogger switch
G200 (right front of hvac case)
G201 (left end of dash)
Gmlan l
Gnd
Ground
Hvac ambient air temperature sensor
Hvac control module
Ign volt
Interior lights system
Interior lights system power distribution system
J203
J328
L air tmp
Led cntrl
Left temperature control
Logic
Low ref
Mode ctrl
Mode select switch
Mode sig
Mtr sig
Pnk
R air tmp
Rear defogger ind
Rear defogger switch
Recir ctrl
Recircu- lation ind
Recircu- lation switch
Red
Rer defg
Right i/p junction block (right end of dash)
Right temperature control
Spd ctrl
Sw sig
Tan
Temp sig
Temperature control switch
X103
X11
X202
X207
X403

Manual A/C Wiring Diagram (2 of 4) for Chevrolet Suburban C2500 2011

List of elements for Manual A/C Wiring Diagram (2 of 4) for Chevrolet Suburban C2500 2011:

(a/c compressor) a/c compressor clutch
(left side of dash) body control module (bcm)
(left side of engine compt) engine control module (ecm)
4a1
4a4
4a6
4b2
4b3
4b5
4b6
5-volt ref
A/c cmprsr fuse 17 10a
A/c cmprsr relay
Aux hvac-ign fuse 48 10a
Coil ctrl
Computer data lines system
Data bus+
Data bus-
E x4
Engine coolant temperature (ect) sensor (front of left cylinder head) b
G102 (lower left front of engine)
Hot at all times
Hvac batt fuse 39 10a
Hvac blwr fuse 70 40a
Hvac-ign fuse 55 10a
J219 (w/ heated steering wheel)
Low ref
Pnk
Red
Right i/p junction block (right end of dash)
Rly ctrl
Run/ crank relay
Sens sig
Tan
Under- hood fuse block (left side of engine compt)

Manual A/C Wiring Diagram (3 of 4) for Chevrolet Suburban C2500 2011

List of elements for Manual A/C Wiring Diagram (3 of 4) for Chevrolet Suburban C2500 2011:

(a/c high pressure hose) a/c refrigerant pressure sensor
(not used)
87a
Fan cntrl relay
Fan hi relay
Fan lo relay
Fan-1 fuse 57 40a
Fan-2 fuse 60 40a
G100 (lower left radiator support)
Hot at all times
J100
J101
Left air temperature actuator (under left side of hvac module)
Left engine cooling fan (behind radiator)
Mode actuator (left side of hvac module)
Pnk
Pwr/ trn relay
Recirculation actuator (upper right of hvac module)
Right air temperature actuator (top of hvac module)
Right engine cooling fan (behind radiator)
Right radiator support) g101
Tan
Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram (4 of 4) for Chevrolet Suburban C2500 2011

List of elements for Manual A/C Wiring Diagram (4 of 4) for Chevrolet Suburban C2500 2011:

(or pnk)
5v ref
A10
A11
Auxiliary air temperature actuator (rear hvac module assembly)
Auxiliary blower motor (long wheel base: rear of rear hvac module) (short wheel base: right rear of passenger compt)
Auxiliary blower motor control module
Auxiliary mode actuator (rear hvac module)
Blower speed
Computer data lines system
Down
G402 (right "d" pillar)
Gmlan
Gnd
Hot at all times
Hvac control module
I/p fuse block (left end of dash)
Logic
Low ref
Mde cntrl
Mode switch
Mtr cntrl
Pnk
Rear hvac fuse 30a
Rear seat audio (rsa) control (w/ rear seat & earphone jacks)
Spd ctrl
Temp cntrl
Temperature control
X207
X407

AIR CONDITIONING – Chevrolet Suburban C2500 2011 – SYSTEM WIRING DIAGRAMS