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AIR CONDITIONING – Hummer H2 2009 – SYSTEM WIRING DIAGRAMS

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AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Hummer H2 2009

Automatic AC Wiring Diagram (1 of 3) for Hummer H2 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Download PDF file

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Hummer H2 2009:

  • (rear hvac harness) j442
  • (rear hvac harness) j443
  • (rear of center console) rear seat audio (rsa) controller
  • 5-volt reference
  • A/c low pressure switch (right side of a/c a
  • A/c on ind
  • A/c on switch
  • Accumulator)
  • Air request ind
  • Air request switch
  • Assembly ctrl
  • Auto switch
  • Aux hvac ign fuse 41 10a
  • Auxiliary air temperature actuator (front of auxiliary hvac module)
  • Auxiliary blower motor (rear of auxiliary hvac module)
  • Auxiliary blower motor control module (rear of auxiliary hvac module)
  • Auxiliary mode actuator (auxiliary hvac assembly)
  • B(+)
  • Computer data lines system
  • Ctrl
  • Defog rly ctrl
  • Defogger system
  • Door position sig
  • Fan down switch
  • Fan up switch
  • Front defogger ind
  • Front defogger switch
  • G103 (on front of right cylinder head)
  • G200 (on left side of dash, behind left kick panel)
  • G203 (lower right side of dash, behind right kick panel)
  • G410 (on passenger side rear of body, near "d" pillar behind trim panel)
  • Gmlan serial data
  • Gnd
  • Ground
  • Hot at all times
  • Hot w/ run/crank relay energized
  • Hvac batt fuse 33 10a
  • Hvac blwr fuse 61 40a
  • Hvac control module
  • Hvac ign fuse 46 10a
  • I/p fuse block (lower left of i/p)
  • Ig voltage
  • J215
  • J441
  • Left i/p junction block (lower left of dash)
  • Left i/p junction block x11 (lower left of dash)
  • Left temperature control
  • Lo press sens sig
  • Logic
  • Logic speed down
  • Low reference
  • Mode
  • Mode door ctrl
  • Mode down switch
  • Mode up switch
  • Motor speed ctrl
  • Off switch
  • On/ off
  • Pnk
  • Position sens sig
  • Power distribution system
  • Rear defogger ind
  • Rear defogger switch
  • Rear hvac fuse 30a
  • Recir door ctrl
  • Recir- culation ind
  • Recir- culation switch
  • Red
  • Right sw sig
  • Right temperature control
  • Sens sig
  • Serial data
  • Speed ctrl
  • Speed up
  • Sunload sens sig
  • Tan
  • Temp door ctrl
  • Temp down
  • Temp sens sig
  • Temp up
  • Underhood fuse block (left of engine compt)

Automatic A/C Wiring Diagram (2 of 3) for Hummer H2 2009

Automatic AC Wiring Diagram (2 of 3) for Hummer H2 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Hummer H2 2009:

  • (battery & fuse block underhood) engine control module (ecm)
  • (left side engine block) engine coolant temperature (ect) sensor
  • (right lower dash) blower motor
  • (right side of dash) blower motor control module
  • (top center of dash) ambient light/ sunload sensor assembly
  • 4a1
  • 4a4
  • 4a5
  • 4a6
  • 4b2
  • 4b3
  • 4b5
  • 4b6
  • 5v ref
  • A/c clutch
  • A/c cmprsr fuse 15 10a
  • A/c cmprsr relay
  • Ect sig
  • G200 (on left side of dash, behind left kick panel)
  • G203 (lower right side of dash, behind right kick panel)
  • Gnd
  • Headlights system
  • Hi spd fan
  • Hot at all times
  • Left air temperature actuator (center of hvac module assembly)
  • Left i/p junction block (lower left of dash)
  • Left sunload sensor
  • Lo spd fan
  • Logic
  • Low ref
  • Mode actuator (left side of hvac assembly)
  • Pnk
  • Recirculation actuator (top front of hvac assembly)
  • Red
  • Right air temperature actuator (middle top of hvac assembly)
  • Right i/p junction block (right of dash)
  • Right sunload sensor
  • Rly ctrl
  • Sens sig
  • Spd ctrl
  • Tan
  • Underhood fuse block (left of engine compt)

Automatic A/C Wiring Diagram (3 of 3) for Hummer H2 2009

Automatic AC Wiring Diagram (3 of 3) for Hummer H2 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Hummer H2 2009:

  • (on high pressure line) a/c refrigerant pressure sensor
  • (right front corner of vehicle on frame rail near front tow hook) g101
  • (right front of engine) a/c compressor clutch
  • 4a2
  • 4a3
  • 87a
  • Cooling fan diode 1
  • Cooling fan diode 2
  • Fan 1 fuse 50 40a
  • Fan 2 fuse 53 40a
  • Fan control relay
  • Fan hi relay
  • Fan lo relay
  • G100 (on left front frame body mount)
  • G104 (at rear of left cylinder head)
  • G203 (lower right side of dash, behind right kick panel)
  • Hot at all times
  • Hvac ambient air temperature sensor (right of radiator support)
  • Inside air temperature sensor (left front headliner)
  • J100
  • J101
  • J102
  • J206
  • J301
  • Left engine cooling fan (left front of engine compt)
  • Left i/p junction block (lower left of dash) x9
  • Lower left air temperature sensor (middle left of dash)
  • Lower right air temperature sensor (middle right of dash)
  • Pwr/ trn relay
  • Right engine cooling fan (right front of engine compt)
  • Right i/p junction block (right of dash) x4
  • Tan
  • Underhood fuse block (left of engine compt)
  • Upper left air temperature sensor (top rear of dash)
  • Upper right air temperature sensor (top rear of dash)

Compressor Wiring Diagram for Hummer H2 2009

Compressor Wiring Diagram for Hummer H2 2009 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for Compressor Wiring Diagram for Hummer H2 2009:

  • 5v ref
  • A/c cmprsr fuse 15 10a
  • A/c cmprsr relay
  • A/c comp
  • A/c compressor clutch (right front of engine)
  • A/c low pressure switch (right side of a/c accumulator)
  • A/c on ind
  • A/c on switch
  • A/c ref pre
  • A/c refrigerant pressure sensor (on high pressure line)
  • Cl rly ctrl
  • Computer data lines system
  • Data-
  • G103 (on front of right cylinder head)
  • G104 (at rear of left cylinder head)
  • Gmlan ser data
  • Hot at all times
  • Hvac control module
  • J102
  • J103
  • Lo press sens sig
  • Logic
  • Low ref
  • Serial
  • Serial data+
  • Tan
  • Underhood fuse block (left of engine compt)
  • X1 sens sig engine control module (ecm) (battery & fuse block underhood)