AIR CONDITIONING – Pontiac Montana 2001 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Pontiac Montana 2001

List of elements for Compressor Wiring Diagram for Pontiac Montana 2001:

• (left rear of engine) g114
• +5v reference
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c press signal
• A/c refrigerent pressure sensor (left side of engine compt, on accumulator)
• A/c request
• C11
• Clutch request
• Comp control
• Engine controls system
• Fuse block (right side of dash)
• G201 (right side of dash)
• Ground
• Hot at all times
• Hot in run
• Hvac control module
• Hvac fuse 10a
• Ignition
• Low reference
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• S105 (engine harn, 20 cm from coolant fan breakout)
• S167 (engine harn, 5 cm from pcm breakout)
• S213 (dash harn, 72 cm from cigar lighter)
• Underhood fuse block (right front of engine compt)

Manual A/C Wiring Diagram (1 of 2) for Pontiac Montana 2001

List of elements for Manual A/C Wiring Diagram (1 of 2) for Pontiac Montana 2001:

• (dash harn, 15 cm from multi-function sw breakout) s202
• (dash harn, 16 cm from relay center breakout)
• (dash harn, 72 cm from cigar lighter breakout)
• (engine harn, 5 cm from pcm breakout)
• (fuel inj harn, center of the engine)
• +5v reference
• A/c compressor clutch
• A/c clu diode
• A/c clu fuse 30a
• A/c clu relay
• A/c press signal
• A/c refrigerent pressure sensor (left side
• A/c request
• A/c request sig
• A10
• Aux mode door ctrl
• Battery
• Blower motor
• Blower motor relay
• Blower motor resistor assembly
• Blower sw off
• C10
• C11
• Comp control
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan relay
• Coolant fan 1
• Coolant fan 2
• Cooling fan (left) (mounted to radiator)
• Cooling fan (right) (mounted to radiator)
• Defogger
• Drl/hvac/ temp/htd st fuse 10a
• Ect sensor
• Engine controls system
• Engine coolant temperature (ect) sensor (top left rear of engine)
• Evap temp sens +5v
• Evap temp sens rtn
• Evaporative temperature sensor (behind center of dash, on hvac assembly)
• F11
• Frt hvac hi blwr c.b. 30a
• Fuse block (behind right side of dash)
• G114 (left rear of engine)
• G201 (right side of dash)
• Ground
• Hot at all times
• Hot in run
• Hvac blower fuse 25a
• Hvac control module
• Ignition
• Interior lights
• Lamp dim sig
• Left air temperature actuator (left side of hvac module)
• Left temp act
• Low reference
• Mode actuator (left side of hvac module)
• Mode door ctrl
• Nca
• Of engine compt, on accumulator)
• Off
• Park lamps on sig
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Radio fuse 10a
• Rear defog
• Recirc door ctrl
• Recirculation actuator (behind right side of dash, above blower motor)
• Red
• Right air temperature actuator (left side of hvac module)
• Right temp act
• S105 (engine harn, 20 cm from coolant fan breakout)
• S105 (engine harn, 4 cm from engine fan wiring harn breakout)
• S110
• S167
• S213
• S264
• Tan
• Underhood fuse block (right front of engine compt)

Manual A/C Wiring Diagram (2 of 2) for Pontiac Montana 2001

List of elements for Manual A/C Wiring Diagram (2 of 2) for Pontiac Montana 2001:

• (body harn, in front of left rear wheelwell)
• Auxiliary air temperature actuator (behind left rear wheelwell)
• Auxiliary blower motor (behind left rear wheelwell)
• Auxiliary blower motor relay (behind left rear wheelwell)
• Auxiliary blower motor resistor (behind left rear wheelwell)
• Auxiliary blower motor switch (part of multi- function switch)
• Auxiliary hvac control assembly
• Auxiliary mode actuator (behind left rear wheelwell)
• Auxiliary txv solenoid (behind
• Fuse block (behind right side of dash)
• G201 (right side of dash)
• G999 (left "d" pillar)
• Hot at all times
• Interior lights
• Left rear wheelwell)
• Med
• Of left rear wheelwell)
• Off
• Rear
• Red
• Rr hvac/ temp cont fuse 25a
• S213 (dash harn, 72 cm from cigar lighter breakout)
• S341 (body harn, in front of left rear wheelwell)
• S343 (body harn, in front of left rear wheelwell)
• S345
• S394 (center of headliner)
• S396 (center of headliner)
• S399 (body harn, in front of left "b" pillar)
• Temp control