ENGINE PERFORMANCE – Chevrolet Beretta Z26 1994 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.2L

2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Beretta Z26 1994

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Beretta Z26 1994:

• 5 volts ref
• A/c press signal
• A/c request
• A/c sensor (right front of engine compt)
• A10
• A11
• A12
• B10
• B11
• B12
• Battery ref
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Conn c1
• Conn c2
• Crank sens output
• Crank sensor b+ feed
• Crank sensor grd
• Crank shaft position sensor (lower right side of engine)
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Ect sensor in
• Engine control module (ecm) (behind right side of i/p, near shroud)
• Engine coolant temperature sensor (left side of engine)
• Fuel injector #1
• Fuel injector #2
• Fuel injector #3
• Fuel injector #4
• Fuel pump relay ctrl
• Fuse 20a
• Fuse block
• Fusible link (20 ga-gray)
• G117 right rear of engine, on transaxle stud)
• Ground
• Heater and a/c ctrl assembly
• Hot at all times
• Hot in run, bulb test or start
• Iac a hi
• Iac a lo
• Iac b hi
• Iac b lo
• Iat sensor in
• Idle air control valve (top left rear of engine, on right front of throttle body)
• Ign ctrl a out
• Ign ctrl b out
• Injector 1 & 4 ctrl
• Injector 2 & 3 ctrl
• Instrument cluster
• Instrument cluster, cruise control and convenience center
• Intake air temp (iat) sensor (left front of engine comp, on right side of air cleaner)
• Map sensor (top left rear of engine, near throttle body)
• Map signal in
• Oil level signal
• Oxygen sensor (rear of engine on exhaust manifold)
• Oxygen sensor in-hi
• Oxygen sensor in-lo
• Pnk
• Red
• Sensor ground
• Tach
• Tan
• Throttle position (tp) sensor (top rear of engine, on left side of throttle body)
• Tps
• Vss out

2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Beretta Z26 1994

List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Beretta Z26 1994:

• (right rear of engine,
• (under left side of driver's seat)
• 3rd gear sw
• 456/422
• 87a
• A/c control relay
• A/c relay ctrl
• A/t
• Brake switch (behind dash, on brake pedal support)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Canister purge sol valve (right front of engine compt)
• Conn c3
• Convenience center
• Coolant fan relay
• Coolant fan relay ctrl
• Coolant ind ctrl
• Coolant indicator
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector
• Dlc serial data in/out
• Egr solenoid ctrl
• Egr valve (left rear of engine, near map sensor)
• Electronic ignition (ei) system (rear of engine, above transaxle)
• Engine control module (ecm) (behind right side of i/p, near shroud)
• Evao ctrl
• Fuel pump prime conn
• Fuel pump relay (right rear of engine compt, behind strut tower)
• Fuel pump sw/ oil pres sender/sw (right rear of engine, near elect ignition (ei) system)
• Fuel tank/ pump unit
• Fuse 15a
• Fuse 20a
• Fuse block
• G117
• G117 (right rear of engine, on trans stud)
• G300
• Hot in run, bulb test or start
• Ignition
• Ignition coil
• Ignition switch
• Instrument cluster
• Knock sensor (rear of engine, below right side of exhaust manifold)
• Knock sensor in
• Low oil level ind ctrl
• Low oil level indicator
• M/t
• Malfunction ind ctrl
• Malfunction indicator
• Nca
• On transaxle stud)
• Park/neutral in
• Park/neutral position switch (a/t) (lower right rear of engine, top of transaxle)
• Pnk
• Pri
• Red
• Sec
• Shift indicator
• Spark plugs
• Sw a
• Sw b
• Tan
• Tcc solenoid
• Upshift ind/tcc ctrl
• Vehicle speed sensor (rear of engine)
• Vss in hi
• Vss in lo

2.3L

2.3L (VIN A), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Beretta Z26 1994

List of elements for 2.3L (VIN A), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Beretta Z26 1994:

• #16
• (iat) sensor (top left
• (left front of engine)
• (left rear of
• (left rear of engine,
• (lower right
• (rear of engine,
• (right rear of engine
• (top left side
• (under right side of
• 20 ga
• 20a
• 5v ref
• 87a
• A/c on input
• A/c pres sens input
• A/c pres sensor
• A10
• A11
• A12
• Alarm module
• And a/c ctrl
• And wiper motor
• Assembly
• B/h
• B10
• B11
• B12
• Base
• Batt ref
• Block
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Compt, on relay bracket)
• Conn
• Conn c1
• Conn c2
• Cruise control,
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dash, at shroud)
• Ect sens input
• Eng coolant temp
• Engine
• Engine control module (ecm)
• Engine, above starter)
• Engine, at
• Engine, on top of
• Float
• Front of engine,
• Fuel
• Fuel pump
• Fuel pump relay
• Fuel pump rly ctrl
• Fuel pump sw/
• Fuel tank unit
• Fus
• Fuse
• G114
• G130
• Gages
• Ground
• Ground (under
• Heater
• Hot at all times
• Hot in run, bulb
• Iat sens input
• Idle air control
• Idle air valve ctrl
• Ign ctrl a output
• Ign ctrl b output
• In exhaust manifold)
• Inj ctrl
• Injectors
• Input
• Instrument cluster
• Instrument cluster,
• Intake air temp
• Intake manifold)
• Left front seat)
• Link e
• Magnet
• Map sens input
• Map sensor (center front
• Multi-function
• Not
• O2 sens input-hi
• O2 sens input-lo
• Of engine)
• Of engine, above
• Oil level input
• Oil level sw
• Oil pan)
• Oil pres sw
• On intake manifold)
• On transaxle stud)
• Oxygen sensor
• Pin b4
• Pin d6
• Pk/bk
• Pnk
• Prime conn
• Red
• Red 2
• Ref pulse input-hi
• Ref pulse input-lo
• Sens ground
• Sensor (left rear
• Sensor (lower left
• Side of engine)
• Spd output 4k/mile
• Speed
• Tach output
• Tan
• Tan 413
• Tan 472
• Test or start
• Throttle body)
• Throttle position (tp)
• Tp sens input
• Used
• Valve (left front of

2.3L (VIN A), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Beretta Z26 1994

List of elements for 2.3L (VIN A), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Beretta Z26 1994:

• (bottom of dash,
• (left rear of engine)
• (lower left
• (top left front of engine)
• (top left side of engine)
• (under right side of
• 15a
• 20a
• A/c clutch
• Amplifier
• B/h
• Block
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Canister purge valve
• Cluster
• Colnt fan rly ctrl
• Colnt temp ind ctrl
• Comp ctrl rly ctrl
• Conn
• Conn c3
• Coolant
• Crankshaft position
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dash, at shroud)
• Data link conn
• Electronic ignition (ei) system
• Engine control module (ecm)
• Engine)
• Evaproative emission
• Fan control
• Fuse
• Hot in run, bulb
• Ignition
• Ignition coil
• Ignition module
• Ind
• Instrument
• Instrument cluster
• Knock sens input
• Knock sensor
• Left of steering column)
• Low oil
• Low oil ind ctrl
• Malfunction
• Malfunction ind ctrl
• Of engine, rear of
• Oil filter)
• Pin f4
• Pin f5
• Plugs
• Pnk
• Pnk 239
• Pri
• Purge sol ctrl
• Rear of
• Relay
• Sec
• Sensor (lower right rear
• Serial data in/out
• Shift
• Shift ind ctrl
• Spark
• Sw a
• Sw b
• Switch
• Tan
• Tan 800
• Temp ind
• Test or start
• Vehicle speed sensor
• Vss input-hi
• Vss input-lo

3.1L

3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Beretta Z26 1994

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 2) for Chevrolet Beretta Z26 1994:

• (left rear of engine rear of throttle body)
• (lower left hush panel)
• (on right side transaxle output housing)
• (right front of engine compartment)
• (right rear top of engine)
• (rust)
• (top rear of engine, in throttle body air tube)
• (top right rear of eng, near exhaust system)
• (top right side of
• 5 volt ref
• A/c clutch relay
• A/c press sens signal
• A/c relay ctrl
• A/c request
• A/c sensor
• Battery
• Brake sw input
• Check gauges lamp
• Conn c1
• Conn c2
• Convenience center
• Convenience center, speedo,
• Coolant temp sensor
• Cooling fan relay ctrl
• Cruise control, wiper/washer
• Data link connector
• Digital exhaust gas recirculation assembly
• Ect signal
• Egr sol "a" ctrl
• Egr sol "b" ctrl
• Egr sol "c" ctrl
• Engine, on rocker cover)
• Evap driver
• Evaporative emission canister purge valve
• Fan control relay
• Fuel pump relay ctrl
• Fuel pump relay monitor
• Fuse 10a
• Fuse 20a
• Fuse block
• Fusible link e
• G115 (center rear of engine on transaxle stud)
• G116 (left rear of engine compartment, on dash panel)
• Ground
• Heated oxygen sensor (upper right side of engine on exhaust manifold)
• Heater & a/c control assembly
• Hot at all times
• Hot in run
• Hot in run, bulb
• Idle air ctrl valve "a" (hi)
• Idle air ctrl valve "a" (lo)
• Idle air ctrl valve "b" (hi)
• Idle air ctrl valve "b" (lo)
• Idle air ctrl valve (top rear of engine, on throttle body)
• Instrument cluster
• Intake air temp sensor
• Low oil ind ctrl
• Malfunction ind control
• Malfunction indicator
• Manifold absolute pressure sensor
• Map signal
• Oil level signal
• Oxygen sensor ground
• Oxygen sensor signal
• Park/neutral out
• Pnk
• Pnp switch in
• Powertrain control module (upper right of i/p, attached to bracket)
• Red
• Sensor ground
• Serial data in/out
• Shift sol "a" ctrl
• Shift sol "b" ctrl
• Sol a
• Sol b
• Sol c
• Tan
• Tcc sol ctrl
• Test or start
• Throttle position sensor (rear of engine, right side of throttle body)
• Tps signal
• Trans fluid temp sensor
• Trans pos input "a"
• Trans pos input "b"
• Trans pos input "c"
• Vehicle speed sensor
• Vehicle speed sensor (hi)
• Vehicle speed sensor (lo)
• Vehicle speed signal

3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Beretta Z26 1994

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 2) for Chevrolet Beretta Z26 1994:

• (right top of engine
• 24x crank position sensor (front left of engine, on timing chain cover)
• 87a
• Automatic transaxle
• Brake switch (on brake pedal support)
• Cam position sensor in
• Camshaft position sensor (front top of engine)
• Compartment, behind generator)
• Conn c3
• Crank pos sensor in
• Crank/cam pos sensor rtn
• Cruise control module
• Cruise on in
• E pnk
• Electronic ignition system
• Est bypass sig
• Est ctrl sig
• Fuel inj 1 out
• Fuel inj 2 out
• Fuel inj 3 out
• Fuel inj 4 out
• Fuel inj 5 out
• Fuel inj 6 out
• Fuel pump switch/oil pressure sensor sw (right front of engine block)
• Fuel pump priming conn
• Fuel pump relay (right rear of engine compt, behind strut tower)
• Fuel tank unit (top of fuel tank)
• Fuse 15a
• Fuse 20a
• Fuse block
• G115 (center rear of engine, on transaxle stud)
• G300 (under left front seat, near door sill)
• Ground
• Hot in run, bulb test, or start
• Ignition
• Ignition amplifier and switching module
• Inj
• Interlock
• Knock sensor (right front of engine block)
• Knock sensor in
• Mat sensor in
• Nca
• Park/neutral position switch (left rear of engine, right top of transaxle)
• Plugs spark
• Pnk
• Powertrain control module (upper right of i/p, attached to bracket)
• Red
• Ref pulse hi in
• Ref pulse low in
• Shift
• Shift sol a
• Shift sol b
• Spark plugs
• Tachometer
• Tan
• Tcc pwm sol
• Trans temp sensor
• Transaxle converter clutch