AIR CONDITIONING – Buick Rendezvous Ultra 2005 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram for Buick Rendezvous Ultra 2005

List of elements for Automatic A/C Wiring Diagram for Buick Rendezvous Ultra 2005:

• (3.4l: fuel injector harness, 5 cm from c102)
• (3.6l)
• (center dash next to light sensor) sp250
• (engine harness, top right side of radiator, 6 cm from starter breakout)
• (i/p harness, center of dash, 4 cm from blower motor resistor breakout)
• (i/p harness, right side of dash, 24 cm from stoplamp switch breakout)
• (i/p harness, right side of dash, 4 cm from hvac/
• (or 2709)
• (or 2759)
• (or 470)
• +5v reference
• 3.4l
• 3.6l
• 5 volt ref
• A (3.4l)
• A/c compressor clutch (3.4l: right front lower engine) (3.6l: left front engine)
• A/c clu rly ctrl
• A/c clutch fuse 10a
• A/c clutch relay 51
• A/c compressor clutch diode 70
• A/c press signal
• A/c refrigerant pressure sensor (left side of engine compartment, below air cleaner assembly)
• A10
• A11
• A12
• B10
• B11
• B12
• Bat
• Blower motor (part of hvac module, behind glove box)
• Blower motor control processor (part of hvac module, behind glove box, in front of blower motor)
• Center console fuse block (in floor console)
• Class 2 serial
• Computer data lines system
• Cool fan 1 fuse 30a
• Cool fan 1 relay 61
• Cool fan 2 fuse 30a
• Cool fan 2 relay 58
• Cool fan 3 relay 60
• Defog rly ctrl
• Defogger system
• Early production
• Ect sensor
• Engine controls system
• Engine coolant temperature (ect) sensor (on top rear of engine, near thermostat housing)
• Evap temp sig
• Evaporative temperature sensor (in hvac module, mounted to evaporator coil)
• F10
• G100 (right side of engine compartment, on top of front end upper cross member)
• G117 (engine compartment, on bell housing, above starter)
• G132
• G200 (right side of dash, on underside of cross-car beam)
• Gnd
• Hi spd fan ctrl
• Hot at all times
• Hot in run
• Hvac control module (center of dash, below radio)
• I/p lamp sply
• Ign 3 fuse 40a
• Ign 3 hvac fuse 10a
• Ign 3 voltage
• Ignition relay 59 (3.4l) ptrain relay 59 (3.6l)
• Interior lights system
• Ip mdl fuse 10a
• Late production
• Left air temperature actuator (left side of hvac module)
• Left cooling fan (mounted to rear left side of radiator)
• Lft temp dr ctrl
• Lft temp dr sig
• Lo spd fan ctrl
• Logic
• Low ref
• Low reference
• Mode actuator (on left end of hvac assembly)
• Mode dr ctrl
• Mode dr sig
• Mtr spd ctrl
• Mtr spd sig
• Power distribution system
• Powertrain control module (pcm) (3.4l) engine control module (ecm) (3.6l) (3.4l: at left side of engine compt, in air cleaner assembly)
• Radio harness breakout)
• Recirc dr ctrl
• Recirculation actuator (in dash, behind glove box, on cowling)
• Red
• Right air temperature actuator (right side of hvac module)
• Right cooling fan (mounted to rear right side of radiator)
• Rt temp dr ctrl
• Rt temp dr sig
• S103
• S105
• S108 (3.4l)
• S110 (3.4l)
• S120 (3.6l)
• S125 (3.6l)
• S204
• S205
• S213
• S221
• Serial data
• Sunload sensor (center of dash, mounted to trim plate, near windshield defrost vent)
• Sunload sig
• Tan
• Underhood fuse block (front of right wheelhouse, above battery)

Compressor Wiring Diagram, with Auto A/C for Buick Rendezvous Ultra 2005

List of elements for Compressor Wiring Diagram, with Auto A/C for Buick Rendezvous Ultra 2005:

• (3.4l) (3.6l) relay 59
• (3.4l: right front lower engine) (3.6l: left front engine) a/c compressor clutch
• (or 2709)
• (or 2759)
• +5v reference
• 3.4l
• 3.6l
• A/c clu rly ctrl
• A/c clutch diode 70
• A/c clutch fuse 10a
• A/c clutch relay 51
• A/c press sig
• A/c refrigerant pressure sensor (left side of engine compartment, below air cleaner assembly)
• A10
• A11
• A12
• B10
• Bat
• Center console fuse block (in floor console)
• Class 2 serial
• Computer data lines system
• G117 (engine compt, on bell housing, above starter)
• G132
• G200 (right side of dash, on underside of cross-car beam)
• Gnd
• Hot at all times
• Hot in run
• Hvac control module (center of dash, below radio)
• Ign 3 hvac fuse 10a
• Ign 3 voltage
• Ignition ptrain
• Ip mdl fuse 10a
• Low reference
• Power distribution system
• Powertrain control module (pcm) (3.4l) engine control module (ecm) (3.6l) (3.4l: at left side of engine compt, in air cleaner assembly)
• S103
• S105 (engine harness, top right side of radiator, 6 cm from starter breakout)
• S108 (3.6l)
• S125 (3.6l)
• S213 (i/p harness, center of dash, 4 cm from blower motor resistor & auxiliary drop power connector main branch breakout)
• Serial data
• Underhood fuse block (front of right wheelhouse, above battery)

Compressor Wiring Diagram, with Manual A/C for Buick Rendezvous Ultra 2005

List of elements for Compressor Wiring Diagram, with Manual A/C for Buick Rendezvous Ultra 2005:

• A/c clu rly ctrl a/c press sig +5v reference c2
• A/c clutch diode 70
• A/c clutch fuse 10a
• A/c clutch relay 51
• A/c compressor clutch (right front lower engine)
• A/c refrigerant pressure sensor (left side of engine compt, below air cleaner assembly)
• A/c request
• A10
• B10
• Battery
• Body control module (in console, above fuse block, in center console)
• Center console fuse block (in floor console)
• Data link connector (dlc) (below steering column)
• Drop power connector main branch breakout)
• G117 (engine compt, on bell housing, above starter)
• G200 (right side of dash, on underside of cross-car beam)
• Ground
• Hot at all times
• Hot in run
• Hvac control module (center of dash, below radio)
• Ign 3 hvac fuse 10a
• Ignition
• Ip mdl fuse 10a
• Manual a/c circuit
• Power distribution system
• Powertrain control module (pcm) (at left side of engine compt, in air cleaner assembly)
• S105 (engine harness, top right side of radiator, 6 cm from starter breakout)
• Serial data
• Serial data low reference c1
• Splice pack sp205 (left side of dash behind access panel)
• Splice pack sp250 (center dash next to light sensor)
• Underhood fuse block (front of right wheelhouse, above battery)

Manual A/C Wiring Diagram for Buick Rendezvous Ultra 2005

List of elements for Manual A/C Wiring Diagram for Buick Rendezvous Ultra 2005:

• (center dash next to light sensor) splice pack sp250
• (engine harness, top right side of radiator, 6 cm from starter breakout)
• (fuel injector harness, 5 cm from c102)
• (i/p harness, center of dash, 4 cm from blower motor resistor & auxiliary drop power connector main branch breakout)
• (left side of hvac module)
• (on hvac assembly, in front of blower motor) blower motor resistor assembly
• (right side of hvac module)
• +5v reference
• A/c compressor clutch (right front lower engine)
• A/c clu rly ctrl
• A/c clutch diode 70
• A/c clutch fuse 10a
• A/c clutch relay 51
• A/c press signal
• A/c refrigerant pressure sensor (left side of engine compt, below air cleaner assembly)
• A/c request
• A/c request sig
• A10
• B10
• Battery
• Blower motor (part of hvac module, behind glove box)
• Blower motor relay
• Blower motor resistors
• Blower mtr ctrl
• Blwr fuse 25a
• Body control module (bcm) (in console, above fuse block, in center console)
• Buick
• Center console fuse block (in floor console)
• Cool fan 1 fuse 30a
• Cool fan 1 relay 61
• Cool fan 2 fuse 30a
• Cool fan 2 relay 58
• Cool fan 3 relay 60
• Data link connector (below steering column)
• Defogger system
• Early production
• Ect sensor
• Engine controls system
• Engine coolant temperature (ect) sensor (on top rear of engine, near thermostat housing)
• Evap temp
• Evaporative temperature sensor (in hvac module, mounted to evaporator coil)
• F10
• G100 (right side of engine compt, on top of front end upper cross member)
• G117 (engine compartment, on bell housing, above starter)
• G200 (right side of dash, on underside of cross-car beam)
• Ground
• Hi spd fan ctrl
• Hot at all times
• Hot in run
• Hvac control module (center of dash, below radio)
• Ign 3 fuse 40a
• Ign 3 hvac fuse 10a c1
• Ignition
• Interior lights system
• Ip mdl fuse 10a
• Lamp dim sig
• Late production
• Left air temp act
• Left air temperature actuator
• Left cooling fan (mounted to rear left side of radiator)
• Lo spd fan ctrl
• Logic
• Low ref
• Low reference
• Mode actuator (on left end of hvac assembly)
• Mode door ctrl
• Off
• Pontiac
• Power distribution system
• Powertrain control module (pcm) (at left side of engine compartment, in air cleaner assembly)
• Rear defog
• Recirc door ctrl
• Recirculation actuator (on right end of hvac assembly)
• Red
• Right air temp act
• Right air temperature actuator
• Right cooling fan (mounted to rear right side of radiator)
• S105
• S110
• S213
• S221
• Serial data
• Splice pack sp205 (left side of dash behind access panel)
• Tan
• Underhood fuse block (front of right wheelhouse, above battery)