AIR CONDITIONING – Chevrolet S10 Pickup 2002 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

2.2L

2.2L VIN 4, Compressor Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for 2.2L VIN 4, Compressor Wiring Diagram for Chevrolet S10 Pickup 2002:

• (right front of engine block, under generator) g102
• 5 volt reference
• A/c
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c fuse 10a
• A/c pressure signal
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c request signal
• And secondary air injection reactor pump) s104
• Bi-level a/c
• Blend
• C2 a
• D12
• Defrost
• Heat
• Heater & a/c controller
• Hot at all times
• Hot in run
• Hot in run & start
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Ign e fuse 10a
• Max a/c
• Nca
• Off
• Powertrain control module (pcm) (on right front of engine compartment)
• S103 (engine harness, 19.5 cm from throttle position sensor)
• Sensor ground
• Underhood fuse block (on top of left front inner wheelwell)
• Vent

2.2L VIN 4, Manual A/C Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for 2.2L VIN 4, Manual A/C Wiring Diagram for Chevrolet S10 Pickup 2002:

• (dash harness, between breakouts for radio & bcm connector c3, 8 cm from breakout to radio) s205
• (left rear of engine compartment) g117
• (left side of dash) g200
• (right front of engine block, under generator) g102
• (right side of dash) g203
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 5v reference
• 87a
• A/c
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c fuse 10a
• A/c press sens sig
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c request signal
• Air temperature actuator (on top right side of heater)
• Bi-level
• Bi-level a/c
• Blend
• Blower motor (on right rear of engine compartment)
• Blower motor relay (on center rear of engine compartment)
• Blower motor resistor (on right rear of engine compartment, on blower module)
• Blower switch
• D (not used)
• D12
• Def
• Heat
• Heater & a/c controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hot in run & start
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• If equipped
• Ign e fuse 10a
• Illum (x4)
• Illum fuse 12 10a
• Low
• Max a/c
• Med
• Mode door switch
• Nca
• Norm
• Off
• Power mirrors system (automatic day/night mirror)
• Powertrain control module (pcm) (on right front of engine compartment)
• S103 (engine harness, 19.5 cm from throttle position sensor)
• S118 (body harn, between breakouts to blower motor & blower motor relay)
• S215
• S217 (dash harness, in breakout to heater controller connectors, 6 cm into breakout)
• Sensor gnd
• Servo amplifier
• Sp202 (strapped to body harness, at left center of dash)
• Sp203 (dash harness, in front of ashtray)
• Tan
• Temp control
• Underhood fuse block (on top of left front inner wheelwell)
• Vent

2.2L VIN 5, Compressor Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for 2.2L VIN 5, Compressor Wiring Diagram for Chevrolet S10 Pickup 2002:

• (right front of engine block, under generator) g102
• 5 volt reference
• A/c
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c fuse 10a
• A/c pressure signal
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c request signal
• And secondary air injection reactor pump) s104
• Bi-level a/c
• Blend
• C2 a
• D12
• Defrost
• Heat
• Heater & a/c controller
• Hot at all times
• Hot in run
• Hot in run & start
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Ign e fuse 10a
• Max a/c
• Nca
• Off
• Powertrain control module (pcm) (on right front of engine compartment)
• S103 (engine harness, 19.5 cm from throttle position sensor)
• Sensor ground
• Underhood fuse block (on top of left front inner wheelwell)
• Vent

2.2L VIN 5, Manual A/C Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for 2.2L VIN 5, Manual A/C Wiring Diagram for Chevrolet S10 Pickup 2002:

• (dash harness, between breakouts for radio & bcm connector c3, 8 cm from breakout to radio) s205
• (left rear of engine compartment) g117
• (left side of dash) g200
• (right front of engine block, under generator) g102
• (right side of dash) g203
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 5v reference
• 87a
• A/c
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c fuse 10a
• A/c press sens sig
• A/c refrigerant pressure sensor (on a/c evaporator tube)
• A/c request signal
• Air temperature actuator (on top right side of heater)
• Bi-level
• Bi-level a/c
• Blend
• Blower motor (on right rear of engine compartment)
• Blower motor relay (on center rear of engine compartment)
• Blower motor resistor (on right rear of engine compartment, on blower module)
• Blower switch
• D (not used)
• D12
• Def
• Heat
• Heater & a/c controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hot in run & start
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• If equipped
• Ign e fuse 10a
• Illum (x4)
• Illum fuse 12 10a
• Low
• Max a/c
• Med
• Mode door switch
• Nca
• Norm
• Off
• Power mirrors system (automatic day/night mirror)
• Powertrain control module (pcm) (on right front of engine compartment)
• S103 (engine harness, 19.5 cm from throttle position sensor)
• S118 (body harn, between breakouts to blower motor & blower motor relay)
• S215
• S217 (dash harness, in breakout to heater controller connectors, 6 cm into breakout)
• Sensor gnd
• Servo amplifier
• Sp202 (strapped to body harness, at left center of dash)
• Sp203 (dash harness, in front of ashtray)
• Tan
• Temp control
• Underhood fuse block (on top of left front inner wheelwell)
• Vent

Heater Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for Heater Wiring Diagram for Chevrolet S10 Pickup 2002:

• (left rear of engine compartment) g117
• (left side of dash) g200
• (not used)
• (right side of dash) g203
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• Air temperature actuator (on top right side of heater)
• Bi-level
• Blend
• Blower motor (on right rear of engine compartment)
• Blower motor relay (on center rear of engine compartment)
• Blower motor resistor (on right rear of engine compartment, on blower module)
• Blower switch
• D (not used)
• D12
• Defrost
• Heat
• Heater controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Illum (x4)
• Illum fuse 12 10a
• Low
• Med
• Mode door switch
• Off
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215
• Servo amplifier
• Sp202 (strapped to body harness, at left center of dash)
• Sp203 (dash harness, in front of ashtray)
• Tan
• Temp control
• Underhood fuse block (on top of left front inner wheelwell)
• Vent

4.3L

4.3L VIN W, Compressor Wiring Diagram, Manual A/C for Chevrolet S10 Pickup 2002

List of elements for 4.3L VIN W, Compressor Wiring Diagram, Manual A/C for Chevrolet S10 Pickup 2002:

• (air jumper harn, between g100 & secondary air injection reactor pump) s104
• (engine harness, between breakouts to rear heated oxygen sensors connector & body harness connector, 7 cm from breakout to heated oxygen sensor connector) s106
• (right rear of cylinder head) g102
• (right rear of cylinder head) g103
• A/c
• A/c comp rly ctrl
• A/c compresor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c compressor high pressure switch (on rear of a/c compressor)
• A/c fuse 10a
• A/c low pressure switch (at a/c accumulator)
• A/c low sw signal
• A/c request signal
• Bi-level a/c
• Blend
• D12
• Defrost
• Heat
• Heater & a/c controller
• Hot at all times
• Hot in run
• Hot in run & start
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Ign e fuse 10a
• Max a/c
• Nca
• Off
• Powertrain control module (pcm) (on right front of engine compartment)
• S103 (engine harn, 19.5 cm from throttle position sensor)
• Underhood fuse block (on top of left front inner wheelwell)
• Vent

4.3L VIN W, Manual A/C Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for 4.3L VIN W, Manual A/C Wiring Diagram for Chevrolet S10 Pickup 2002:

• (dash harness, between breakouts for radio & bcm connector c3, 8 cm from breakout to radio) s205
• (engine harness, between breakouts to rear heated oxygen sensors connector & body harness connector, 7 cm from breakout to heated oxygen sensor connector) s106
• (left rear of engine compartment) g117
• (left side of dash) g200
• (right rear of cylinder head) g102
• (right rear of cylinder head) g103
• (right side of dash) g203
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• A/c
• A/c comp rly ctrl
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor clutch relay
• A/c compressor high pressure switch (on rear of a/c compressor)
• A/c cycling sw signal
• A/c fuse 10a
• A/c low pressure switch (at a/c accumulator)
• A/c request signal
• Air temperature actuator (on top right side of heater)
• Bi-level
• Bi-level a/c
• Blend
• Blower motor (on right rear of engine compartment)
• Blower motor relay (on center rear of engine compartment)
• Blower motor resistor (on right rear of engine compartment, on blower module)
• Blower switch
• D (not used)
• D12
• Def
• Heat
• Heater & a/c controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hot in run & start
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• If equipped
• Ign e fuse 10a
• Illum (x4)
• Illum fuse 12 10a
• Low
• Max a/c
• Med
• Mode door switch
• Nca
• Norm
• Off
• Pickup
• Power mirrors system (automatic day/night mirror)
• Powertrain control module (pcm) (on right front of engine compartment)
• Reactor pump) s104
• S103 (engine harn, 19.5 cm from throttle position sensor)
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215
• S217 (dash harness, in breakout to heater controller connectors, 6 cm into breakout)
• Servo amplifier
• Sp202 (strapped to body harness, at left center of dash)
• Sp203 (dash harness, in front of ashtray)
• Tan
• Temp control
• Underhood fuse block (on top of left front inner wheelwell)
• Utility
• Vent

Heater Wiring Diagram for Chevrolet S10 Pickup 2002

List of elements for Heater Wiring Diagram for Chevrolet S10 Pickup 2002:

• (left rear of engine compartment) g117
• (left side of dash) g200
• (not used)
• (right side of dash) g203
• 0.26 ohms
• 0.71 ohms
• 2.10 ohms
• 87a
• Air temperature actuator (on top right side of heater)
• Bi-level
• Blend
• Blower motor (on right rear of engine compartment)
• Blower motor relay (on center rear of engine compartment)
• Blower motor resistor (on right rear of engine compartment, on blower module)
• Blower switch
• D (not used)
• D12
• Defrost
• Heat
• Heater controller
• High
• Hot at all times
• Hot in park & head
• Hot in run
• Hvac 1 fuse 21 10a
• Hvac fuse 30a
• Hvac fuse 9 20a
• I/p fuse block (on left end of dash)
• Illum (x4)
• Illum fuse 12 10a
• Low
• Med
• Mode door switch
• Off
• S118 (body harness, between breakouts to blower motor & blower motor relay)
• S215
• Servo amplifier
• Sp202 (strapped to body harness, at left center of dash)
• Sp203 (dash harness, in front of ashtray)
• Tan
• Temp control
• Underhood fuse block (on top of left front inner wheelwell)
• Vent