ENGINE PERFORMANCE – Chevrolet Camaro Z28 1994 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.4L

3.4L (VIN S), Engine Performance Wiring Diagrams (1 of 3) for Chevrolet Camaro Z28 1994

List of elements for 3.4L (VIN S), Engine Performance Wiring Diagrams (1 of 3) for Chevrolet Camaro Z28 1994:

• "service engine soon" ctrl
• (a/t)
• (firebird only)
• (in engine compt, rearward
• (m/t)
• 1-2 shift solenoid ctrl
• 2-3 shift solenoid ctrl
• 2nd gear lamp ctrl
• 3-2 shift solenoid ctrl
• 4000 pulse/mile output
• 5v ref
• A/c comp clutch relay ctrl
• A/c compressor relay (underhood elect center)
• A/c evaporator temperature sensor (mounted in evaporator core)
• A/c press sensor input
• A/c refrigerent pressure sensor (above right shock tower)
• A/c request
• Air pump relay ctrl
• Assembly
• Battery input
• Brake signal
• Canister purge solenoid (left side of engine)
• Coil "a" (hi)
• Coil "a" (lo)
• Coil "b" (hi)
• Coil "b" (lo)
• Conn a
• Conn b
• Coolant fan relay (underhood elect center)
• Coolant fan relay ctrl
• Data link conn (mounted to i/p tie bar, below and right of steering column)
• Ecm ground
• Ect input
• Egr sol #1 ctrl
• Egr sol #2 ctrl
• Egr sol #3 ctrl
• Egr solenoid valve (right side of engine, mounted to manifold)
• Engine coolant temp (ect) sensor (mounted in top front of engine)
• Evap temp sensor input
• Fuel pump prime connector
• Fuel pump relay (forward of left left kick panel)
• Fuel pump request
• Fuel pump signal
• Fuel tank unit
• G300 (bolted to floor pan bar #2 under drivers seat)
• Hot in run, bulb test or start
• Hvac control
• I/p fuse block
• Idle air control (iac) motor (right front on throttle body)
• Instrument cluster and cruise control
• Intake air temp (iat) sensor (mounted on air duct, in front of intake manifold)
• Left o2 sensor ground
• Left o2 sensor input
• Left oxygen sensor (mounted in left exhaust mainifold)
• Map sensor (mounted to right side of intake manifold)
• Map sensor input
• Nca
• Of right shock tower)
• Pcm ign #5 fuse 15a
• Performance/ traction control switch
• Pnk
• Powertrain control module (pcm)
• Probe (inserted in evaporator)
• Purge solenoid ctrl
• Range sig "b"/clutch sw
• Range signal "a"
• Range signal "c"
• Red
• Right o2 sensor ground
• Right o2 sensor input
• Right oxygen sensor (mounted in right exhaust mainifold)
• Sensor ground
• Serial data
• Solid state
• Tan
• Tcc control
• Throttle position (tp) sensor (right front side (of intake)
• Tp sensor input
• Trans fluid temp input
• Vss (hi)
• Vss (lo)

3.4L (VIN S), Engine Performance Wiring Diagrams (2 of 3) for Chevrolet Camaro Z28 1994

List of elements for 3.4L (VIN S), Engine Performance Wiring Diagrams (2 of 3) for Chevrolet Camaro Z28 1994:

• "service engine soon" indicator
• (camaro)
• (firebird)
• (firebird) (camaro)
• (in engine compt, rearward
• 24x ref signal
• 3x ref input (hi)
• 3x ref input (lo)
• A/c compressor relay
• A/c status
• A4 c8
• Air pump #7 fuse 20a 25a
• Air pump relay
• Camshaft sensor signal
• Conn c
• D13
• Data link connector
• Diagnostic enable
• Fans/actr #6 fuse 10a
• Fuel enable input
• Fuel injector #1 ctrl
• Fuel injector #2 ctrl
• Fuel injector #3 ctrl
• Fuel injector #4 ctrl
• Fuel injector #5 ctrl
• Fuel injector #6 ctrl
• G108 (near top left side of radiator)
• G120 (top right side of engine)
• Gages #9 fuse 10a
• Ground
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• I/p fuse block
• Iat sensor input
• Ignition ctrl
• Ignition ctrl bypass
• Ignition input
• Injector #10 fuse 7.5a
• Injector #9 fuse 7.5a
• Instrument cluster
• Knock sensor (in bottom right side of engine block)
• Knock sensor input
• Of right shock tower)
• Pcm bat #4 fuse 15a
• Pcm ign #5 fuse 15a
• Perform mode input
• Pnk
• Powertrain control module (pcm)
• Pressure ctrl sol (hi)
• Presure ctrl sol (lo)
• Red
• Secondary air injection pump assembly (front left frame rail in engine compartment)
• Sensor ref (lo)
• Tan
• Theft deterrent module (in dash, right of radio)
• Underhood electrical center
• Vehicle speed sensor (rear left side of transmission)

3.4L (VIN S), Engine Performance Wiring Diagrams (3 of 3) for Chevrolet Camaro Z28 1994

List of elements for 3.4L (VIN S), Engine Performance Wiring Diagrams (3 of 3) for Chevrolet Camaro Z28 1994:

• (a/t)
• (camaro)
• (firebird)
• (m/t)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 shift solenoid
• Amp
• Automatic transmission
• B13
• Brake switch assembly (mounted in lower hole of brake pedal bracket)
• Brake trans shift interrupt solenoid
• Camshaft position sensor (in top front of engine block)
• Clutch anticipate switch
• Clutch anticipate/ cruise release sw (mounted in clutch pedal bracket)
• Crankshaft position sensor, hi resolution (lower front of engine block)
• Crankshaft position sensor, low resolution (lower right side of engine block)
• Elect sw
• Electronic ignition module (firing order: 1-2-3-4-5-6) (left front of engine)
• Gages #9 fuse 10a
• Ground
• High energy ignition module
• Hot in run, bulb test or start
• I/p fuse block
• Ignition #11 fuse 10a
• Ignition input
• Instrument cluster
• Optical sensor
• Performance/ traction control switch (firebird only)
• Pnk
• Pressure control solenoid
• Primary ctrl
• Red
• Solid state
• Spark plugs
• Tach input
• Tach output
• Tcc solenoid
• Tcc/shift interrupt switch
• Trans fluid temp sensor
• Underhood electrical center

5.7L

5.7L (VIN P), Engine Performance Wiring Diagrams (1 of 3) for Chevrolet Camaro Z28 1994

List of elements for 5.7L (VIN P), Engine Performance Wiring Diagrams (1 of 3) for Chevrolet Camaro Z28 1994:

• (3-2 a/t)(skip m/t) shift
• 5 volt ref
• 587 (m/t)
• 687 (a/t)
• A/c clutch status
• A/c request sig
• A14
• Air conditioning
• Air conditioning compressor relay
• Air pump relay ctrl
• B14
• Battery
• Coil wire
• Conn a
• Conn b
• Coolant fan relays
• Cruise control & speedometer
• Dist ignition feed
• Dist ref low sig
• Distributor (frt center of engine)
• Ebtcm tp sensor sig
• Egr solenoid ctrl
• Electronic brake/traction control module
• Electronic transmission ctrls
• Fuel enable sig
• Fuel injector #1
• Fuel injector #2
• Fuel injector #3
• Fuel injector #4
• Fuel injector #5
• Fuel injector #6
• Fuel injector #7
• Fuel injector #8
• Fuel pump relay ctrl
• Fuse block
• G110 (front of left cylinder head)
• G120 (right side of engine block)
• Ground
• Hi res signal
• High resolution sig
• Hot at all times
• Hot in run, bulb test or start
• Ign voltage
• Ignition
• Ignition coil
• Ignition ctrl
• Inj # 8 ctrl
• Inj #1 ctrl
• Inj #2 ctrl
• Inj #3 ctrl
• Inj #4 ctrl
• Inj #5 ctrl
• Inj #6 ctrl
• Inj #7 ctrl
• Injector fuse 10 7.5a
• Injector fuse 9 7.5a
• Instrument cluster
• Low res signal
• Low resolution sig
• Maf sensor in
• Mass air flow sensor (on air duct in front of intake manifold)
• Optical sensor
• Pcm batt fuse 4 10a
• Pcm ign fuse 5 15a
• Pnk
• Powertrain control module (rearward of right front shock tower)
• Pri lo spd rly ctrl
• Red
• Ref low
• Sec hi spd rly ctrl
• Sensor ground
• Solid state
• Spark plugs
• Tach out
• Tcs spark retard req
• Theft deterrent module
• Trans 1-2 shift ctrl
• Trans 2-3 shift ctrl
• Trans mode
• Under- hood electrical center
• Vehicle speed sensor (left rear of transmission)
• Vss ground
• Vss out
• Vss signal

5.7L (VIN P), Engine Performance Wiring Diagrams (2 of 3) for Chevrolet Camaro Z28 1994

List of elements for 5.7L (VIN P), Engine Performance Wiring Diagrams (2 of 3) for Chevrolet Camaro Z28 1994:

• 25a
• A16
• Air pump fuse 7 20a
• Air pump relay
• Bank 1 h02 sensor lo
• Bank 1 ho2 sensor hi
• Bank 2 ho2 sensor hi
• Bank 2 ho2 sensor lo
• Brake switch signal
• Canister purge solenoid valve (right center of engine, on manifold)
• Conn c
• Ect sensor in
• Egr solenoid valve (left rear of engine, on intake plenum)
• Electronic brake/traction control module
• Engine coolant temperature sensor (front of engine, in water pump)
• Fans/actr fuse 6 10a
• G108 (top left side of radiator)
• G112 (front of left cylinder head
• Ground
• Heated oxygen sensor 1 (bank 1, left exhaust manifold)
• Heated oxygen sensor 2 (bank 2, right exhaust manifold)
• Hot in run
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Iat sensor in
• Idle air control valve (right front of throttle body)
• Intake air temperature sensor (on air duct, in front of intake manifold)
• Manifold absolute pressure sensor (right side of intake manifold) a
• Map sensor in
• Performance mode in
• Performance/ traction control switch
• Pnk
• Pnp sig
• Powertrain control module (rearward of right front shock tower)
• Red
• Secondary air injection pump assembly (front left frame rail)
• Tan
• Tcs active
• Throttle position sensor (right front of intake) a
• Tp sensor in
• Trans press ctrl hi
• Trans range sig a
• Trans range sig b
• Trans range sig c
• Under- hood electrical center

5.7L (VIN P), Engine Performance Wiring Diagrams (3 of 3) for Chevrolet Camaro Z28 1994

List of elements for 5.7L (VIN P), Engine Performance Wiring Diagrams (3 of 3) for Chevrolet Camaro Z28 1994:

• (a/t only)
• (camaro)
• (camaro) (firebird)
• (firebird)
• (left middle of trans)
• (left rear of trans)
• (m/t only)
• (near derm breakout)
• (on base of shift control lever)
• (right of steering column)
• (top rear of right front
• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 ctrl solenoid (pwm)
• A/c clutch ctrl
• A/c compressor relay
• A/c evap temp sensor in
• A/c evaporator temp sensor (mounted in evaporator core)
• A/c press sensor in
• A/c refrigerant pressure sensor (above right shock tower)
• Automatic transmission
• Brake trans shift inter- rupt solenoid (in console)
• Canister purge ctrl
• Cluster
• Coil driver
• Conn d
• D13
• Data link connector
• Distributor
• Fans/actr fuse 6 10a
• Fuel pump prime connector
• Fuel pump relay (forward of left kick panel)
• Fuel pump/ level sender (in fuel tank)
• Fuse block
• G110 (front of left cylinder head)
• G120 (right side of engine block)
• G300 (under drivers' seat)
• Gages fuse 9 10a
• Ground
• Hei coil wire
• Hot in run
• Hot in run, bulb test or start
• Ign
• Ign ctrl
• Ignition
• Ignition coil (front left side of engine)
• Ignition coil module (front left side of engine)
• Ignition fuse 11 10a
• Instru-
• Instrument cluster
• Isolation diode
• Knock sensor (bottom right side of engine block)
• Knock sensor in
• Malfunction indicator
• Ment
• Mil ctrl
• Output/field serv enbl
• Pcm ign fuse 5 15a
• Pnk
• Pnk/
• Powertrain control module (rearward of right front shock tower)
• Pressure control solenoid
• Probe (inserted in evaporator)
• Red
• Rev lock- out sole- noid
• Rev lockout solenoid ctrl
• Serial data
• Shock tower)
• Skip shift ind ctrl
• Skip shift sole- noid
• Tan
• Tcc solenoid
• Tcc/ shift inter- rupt switch
• Trans fluid temp sensor
• Trans fluid temp sig
• Trans press ctrl lo
• Trans tcc ctrl
• Transmission position switch
• Under- hood electrical center