ENGINE PERFORMANCE – Pontiac Sunfire GT 1995 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.2L

2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 2) for Pontiac Sunfire GT 1995

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 2) for Pontiac Sunfire GT 1995:

• 5v ref
• A/c compressor control relay
• A/c press sns
• A/c rly ctrl
• A/c sensor (right side of engine compartment)
• Alt field cyc sns
• Batt
• Behind fascia)
• Brake switch (below steering column)
• Charge ind.
• Clnt fn rly ctrl
• Compartment)
• Control module
• Coolant fan relay
• Cps-hi
• Cps-lo
• Cps-signal
• Cruise
• Cruise control module
• Cruise engaged
• Cruise inhibit
• Cts signal
• Egr ctrl
• Engine compartment fuse/relay center (left center of engine compartment)
• Engine coolant temperature sensor (left front of engine)
• Erls fuse 10a
• Evap ctrl
• Evaporative emission canister purge solenoid (left front of engine compartment)
• Exhaust gas recirculation solenoid (left top of engine compartment)
• Float magnet
• Fuel pump ctrl
• Fuse block (left
• G101 (lower right front of engine compartment)
• Generator
• Gnd
• Grd
• Hot at all times
• Hot in run, bulb test or start
• I/p)
• Iac-coil a-hi
• Iac-coil a-lo
• Iac-coil b-hi
• Iac-coil b-lo
• Iat sns signal
• Idle air control valve (left top of engine compartment)
• Ign (off & run)
• Ign (run/start)
• Ign ctrl a
• Ign ctrl b
• Inj #1 & #4
• Inj #2 & #3
• Intake air temperature sensor (top of engine)
• Knock sensor (rear center of engine)
• Knock sns
• Low clnt signal
• Manifold absolute pressure sensor (left top of engine compartment)
• Map sns signal
• Mil ctrl
• Nca
• O2 sns return
• O2 sns signal
• Oil level switch (lower front of engine
• Oil lvl sns
• Oil press signal
• Oxygen sensor (left rear of engine compartment)
• Pcm fuse 10a
• Pnk
• Powertrain control module (right front corner of vehicle,
• Prndl a
• Prndl b
• Prndl c
• Prndl p
• Sns rtn
• Surge tank low coolant switch (right side of engine compartment)
• Tan
• Tan b
• Tcc ctrl
• Throttle position sensor (left top of engine compartment)
• Tps signal
• Uart data line
• Vent tube
• Vss in-hi
• Vss in-lo
• Vss out
• W/o a/c

2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for Pontiac Sunfire GT 1995

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for Pontiac Sunfire GT 1995:

• (chevrolet)
• (chevrolet) (pontiac) a2
• (chevrolet) (pontiac) a3
• (chevrolet) (pontiac) a8
• (in fuel
• (left rear of engine compartment)
• (pontiac)
• (rear center of engine)
• 3rd gear switch
• 87a
• Automatic transaxle
• Center
• Check engine ind.
• Cls/pcm fuse 10a
• Cluster
• Coil driver a
• Coil driver b
• Connector
• Convenience
• Crankshaft position sensor (rear center of engine)
• Cruise control module
• Data link connector (left lower i/p)
• Effect sensor
• Electronic ignition
• F/p-inj fuse 20a
• Fuel injectors
• Fuel pump
• Fuel pump relay (left center of engine compartment)
• Fuel pump switch/oil pressure sender (left rear of transaxle)
• Fuse block (left
• G300 (below left front seat)
• Hall
• Hot in off or run
• Hot in run, bulb test or start
• I/p)
• Ign
• Ign fuse 20a
• Ignition coil
• Ind. ctrl
• Instrument
• Instrument cluster
• Micro- processor
• Microprocessor
• Multi- function alarm module
• Nca
• No.
• Park/neutral position switch (a/t only)
• Pcm/ign fuse 10a
• Pnk
• Prime
• Red
• Shift ind. (m/t only)
• Sig
• Spark plugs
• Switch
• Tan
• Tank)
• Tcc solenoid
• Uart data line
• Vehicle speed input
• Vehicle speed sensor (a/t-left rear of transaxle m/t-rear center of engine)

2.3L

2.3L (VIN D), Engine Performance Wiring Diagrams, A/T (1 of 3) for Pontiac Sunfire GT 1995

List of elements for 2.3L (VIN D), Engine Performance Wiring Diagrams, A/T (1 of 3) for Pontiac Sunfire GT 1995:

• d
• fuel pump switch/oil pressure sender (left rear of transaxle)
• prime
• 5v ref
• 87a
• A/c press sns
• Alt field duty cycle sns
• Batt
• Behind fascia)
• Cam pstn sns
• Cam pstn sns +
• Cam pstn sns -
• Charge ind.
• Class b data
• Connector
• Cruise control module
• Cruise engaged
• Cts signal
• Data link connector (lower left i/p)
• Engine compartment fuse/relay center (left center of engine compartment)
• Est timing-hi
• Est timing-lo
• F/p-inj fuse 20a
• Fuel injectors
• Fuel pump
• Fuel pump (in fuel tank)
• Fuel pump ctrl
• Fuel pump relay (left center of engine compartment)
• Fuse block (left
• G101 (lower right front of engine compartment)
• G300 (below left front seat)
• Generator
• Gnd
• Grd
• Heated oxygen sensor (on exhaust pipe, near fuel tank)
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• I/p)
• Iac-coil a-hi
• Iac-coil a-lo
• Iac-coil b-hi
• Iac-coil b-lo
• Iat sns signal
• Idle air control valve (left front of engine compartment)
• Ign (off & run)
• Ign (run/start)
• Ign fuse 20a
• Inj #1
• Inj #2
• Inj #3
• Inj #4
• Intake air temperature sensor (left front of engine compartment)
• Low clnt signal
• Map sns signal
• N0.1
• N0.2
• N0.3
• N0.4
• Nca
• O2 htr fuse 10a
• O2 sns return
• O2 sns return
• O2 sns signal
• O2 sns signal
• Oil lvl sns
• Oil press signal
• Oxygen sensor (left rear of transaxle)
• Pcm fuse 10a
• Pcm/ign fuse 10a
• Pnk
• Powertrain control module (right front corner of vehicle,
• Red
• Sns rtn
• Sns rtn
• Tan
• Tan a
• Tcc oil press
• Throttle position sensor (left front of engine compartment)
• Tps 5v ref
• Tps signal
• Tran press sw1
• Tran press sw2
• Tran press sw3
• Tran pstn sw- parity
• Tran pstn sw1
• Tran pstn sw2
• Tran pstn sw3
• Tran temp sns
• Uart data line

2.3L (VIN D), Engine Performance Wiring Diagrams, A/T (2 of 3) for Pontiac Sunfire GT 1995

List of elements for 2.3L (VIN D), Engine Performance Wiring Diagrams, A/T (2 of 3) for Pontiac Sunfire GT 1995:

• (chevrolet)
• (pontiac)
• Automatic transaxle
• Camshaft position sensor (left front of engine compartment)
• Compartment)
• Convenience center
• Cruise control module
• Float magnet
• Hall effect sensor
• Input speed sensor
• Instrument cluster
• Microprocessor
• Multi-function alarm module
• Oil level switch (left lower front of engine
• Pnk
• Pressure switch manifold
• Red
• Sensor grd
• Shift a sol
• Shift b sol
• Sig
• Surge tank low coolant switch (right side of engine compartment)
• Tan
• Tcc pwm sol
• Tcc release
• Trans temp sensor
• Vbs hi
• Vbs lo
• Vehicle speed input

2.3L (VIN D), Engine Performance Wiring Diagrams, A/T (3 of 3) for Pontiac Sunfire GT 1995

List of elements for 2.3L (VIN D), Engine Performance Wiring Diagrams, A/T (3 of 3) for Pontiac Sunfire GT 1995:

• (chevrolet) (pontiac) a2
• (chevrolet) (pontiac) a3
• (chevrolet) (pontiac) a8
• (left rear of engine compartment)
• A/c compressor control relay
• A/c rly ctrl
• A/c sensor (right side of engine compartment)
• Amplifier
• Behind fascia)
• Brake input
• Brake switch (below steering column)
• Brake transaxle shift interlock solenoid
• Canister purge
• Check engine ind.
• Clnt fan rly ctrl
• Cls/pcm fuse 10a
• Coolant fan relay
• Crankshaft position sensor (right front of engine compartment)
• Cruise control module
• Cruise disengage
• Data link connector (left lower i/p)
• Electronic ignition
• Engine compartment fuse/relay center (left center of engine compartment)
• Engine coolant temperature sensor (left rear of transaxle)
• Engine spd
• Erls fuse 10a
• Evap sw signal
• Evaporative emission canister purge solenoid (left front of engine compartment)
• Evaporative emissions canister purge vacuum switch (left front of engine compartment)
• Fuse block (left
• Grd
• Hot in off or run
• Hot in run, bulb test or start
• I/p)
• Ign
• Ign (run/start)
• Ign ctrl signal a
• Ign ctrl signal b
• Ignition coil
• Ignition module
• Instrument cluster
• Knock sensor (left rear of transaxle)
• Knock sns signal
• Manifold absolute pressure sensor (left front of engine compartment)
• Microprocessor
• Mil ctrl
• Nca
• Park/neutral position switch
• Pnk
• Powertrain control module (right front corner of vehicle,
• Shft sol a
• Shft sol b
• Spark plugs
• Switch
• Tan
• Tcc sol-pwm
• Tran frc mtr (+)
• Tran frc mtr (-)
• Tran input sns
• Tran spd sns
• Uart data line
• Vehicle speed sensor (left rear of transaxle)
• Vss (+)
• Vss (-)
• Vss output

2.3L (VIN D), Engine Performance Wiring Diagrams, M/T (1 of 2) for Pontiac Sunfire GT 1995

List of elements for 2.3L (VIN D), Engine Performance Wiring Diagrams, M/T (1 of 2) for Pontiac Sunfire GT 1995:

• 5v ref
• A/c compressor control relay
• A/c press sns
• A/c rly ctrl
• A/c sensor (right side of engine compartment)
• Alt field cyc sns
• Batt
• Behind fascia)
• C 1995 vftc
• Charge ind.
• Clnt fn rly ctrl
• Compartment)
• Coolant fan relay
• Cruise control module
• Cruise engaged
• Cruise inhibit
• Cts signal
• Engine compartment fuse/relay center (left center of engine compartment)
• Engine coolant temperature sensor (left rear of transaxle)
• Erls fuse 10a
• Est timing-hi
• Est timing-lo
• Evap ctrl
• Evaporative emission canister purge solenoid (left front of engine compartment)
• Float magnet
• Fuel pump ctrl
• Fuse block (left
• G101 (lower right front of engine compartment)
• Generator
• Gnd
• Grd
• Hot at all times
• Hot in run, bulb test or start
• I/p)
• Iac-coil a-hi
• Iac-coil a-lo
• Iac-coil b-hi
• Iac-coil b-lo
• Iat sns signal
• Idle air control valve (left front of engine compartment)
• Ign (off & run)
• Ign (run/start)
• Ign ctrl a
• Ign ctrl b
• Inj #1 & #4
• Inj #2 & #3
• Intake air temperature sensor (left front of engine compartment)
• Knock sensor (left rear of transaxle)
• Knock sns
• Low clnt signal
• Manifold absolute pressure sensor (left front of engine compartment)
• Map sns signal
• Mil ctrl
• Nca
• O2 sns return
• O2 sns signal
• Oil level switch (left lower front of engine
• Oil lvl sns
• Oil press signal
• Oxygen sensor (left rear of transaxle)
• Pcm fuse 10a
• Pcm/ign fuse 10a
• Pnk
• Powertrain control module (right front corner of vehicle,
• Sns rtn
• Surge tank low coolant switch (right side of engine compartment)
• Tan
• Tan a
• Throttle position sensor (left front of engine compartment)
• Tps signal
• Uart data line
• Vent tube
• Vss in-hi
• Vss in-lo
• Vss out
• W/o a/c only

2.3L (VIN D), Engine Performance Wiring Diagrams, M/T (2 of 2) for Pontiac Sunfire GT 1995

List of elements for 2.3L (VIN D), Engine Performance Wiring Diagrams, M/T (2 of 2) for Pontiac Sunfire GT 1995:

• fuel pump
• hot in run, bulb test or start
• nca
• no.
• (chevrolet)
• (chevrolet) (pontiac) a2
• (chevrolet) (pontiac) a3
• (chevrolet) (pontiac) a8
• (in fuel tank)
• (left rear of engine compartment)
• (pontiac)
• 87a
• Amplifier
• C 1995 vftc
• Center
• Check engine ind.
• Cls/pcm fuse 10a
• Cluster
• Connector
• Convenience
• Crankshaft position sensor (right front of engine compartment)
• Cruise control module
• Data link connector (left lower i/p)
• Electronic ignition
• F/p-inj fuse 20a
• Fuel injectors
• Fuel pump
• Fuel pump relay (left center of engine compartment)
• Fuel pump switch/oil pressure sender (left rear of transaxle)
• Fuse block (left
• G300 (below left front seat)
• Hot in off or run
• Hot in run, bulb test or start
• I/p)
• Ign
• Ign fuse 20a
• Ignition coil
• Ignition module
• Instrument
• Instrument cluster
• Microprocessor
• Multi-function alarm module
• Nca
• No.
• Of engine)
• Pnk
• Prime
• Red
• Spark plugs
• Speed sensor (rear center
• Switch
• Tan
• Uart data line
• Vehicle
• Vehicle speed input