ENGINE PERFORMANCE – Porsche 911 Carrera 4 1995 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.6L

3.6L, Engine Performance Wiring Diagrams (1 of 2) for Porsche 911 Carrera 4 1995

List of elements for 3.6L, Engine Performance Wiring Diagrams (1 of 2) for Porsche 911 Carrera 4 1995:

• (center of engine compartment)
• (left side of engine compartment)
• (rs only)
• (under left seat)
• (w/ a/t)
• 85b
• 87b
• A/c compressor
• A/c switch
• Air conditioning control unit pin k12
• Airbag control unit
• Altitude potentiometer
• Battery
• C43
• Central electric
• Check engine control
• Coding plug, char map
• Condenser blower relay
• Consumption gauge
• Diag plug, knocking
• Diagnostic plug, lead k
• Distributor
• Dme control relay
• Dme control unit
• Dme rly gnd (fuel pmp)
• E21
• E22
• E24
• E25
• E31
• E32
• E34
• E35
• E42
• E44
• Eng ign adjustment
• Engine speed to tach
• Engine temp ntc 2
• F12
• F14
• F23
• F25
• Fuel injectors
• Fuel pump (right safety wall)
• Full load sig-throt vlv
• Fuse 15a
• Fuse 7.5a
• G100 (right wheel housing)
• G123 (on right side member)
• G25
• G402 (left rear of engine compt)
• Gnd for air flow meter
• Ground
• Ground signal
• Heat/a/c regulation
• Idle sig-throt vlv
• Idle speed control
• Ign pulse to output
• Ignition coil i
• Ignition coil ii
• Ignition control unit i
• Ignition control unit ii
• Intake air temp ntc 1
• Knock sensor 1
• Knock sensor 2
• Lead l from diag plug
• Lifting switch (park/neutral)
• M42
• Nca
• Oxygen sensor signal
• Permanent positive
• Pin 3
• Pin 39
• Positive to hall sensor
• Pwr supp air flow sens
• Red
• Resonance plate
• Shields and grounds
• Sig from air flow sens
• Signal from hall sens
• Speed/ref mark positive
• T16 conn (under left seat)
• Tank venting valve
• Three point switch
• Ti signal, cyl 1
• Ti signal, cyl 2
• Ti signal, cyl 3
• Ti signal, cyl 4
• Ti signal, cyl 5
• Ti signal, cyl 6
• To spark plugs
• Transmission control unit
• Transmission control unit pin 32
• Variant identification switch (exc. rs)
• Version coding
• Voltage from dme rly
• W/ a/t
• W/ m/t

3.6L, Engine Performance Wiring Diagrams (2 of 2) for Porsche 911 Carrera 4 1995

List of elements for 3.6L, Engine Performance Wiring Diagrams (2 of 2) for Porsche 911 Carrera 4 1995:

• * w/
• ** w/o on-board
• on-board
• unit
• "k" lead
• "l" lead
• (on throttle valve assy)
• * * rev. counter
• * rev. counter
• Acc
• Air flow sensor (center left of engine compartment)
• B14
• B15
• Bridge
• Bridge (w/m027 only)
• Central electric
• Central informer pin 1/3
• Closed throttle position (switch)
• Diagnosis plug socket (in passenger's footwell)
• Engine speed sensor (left side engine compartment)
• Fuse 15a
• Fuse 7.5a
• G129 center of engine compartment)
• Hall sensor (on distributor)
• Heated oxygen sensor
• Hot at all times
• Hot in run or start
• Idle speed positioner (center of engine compartment)
• Ignition switch
• Instrument cluster
• K31
• Knock sensor 1 (left of engine)
• Knock sensor 2 (top of engine)
• Knocking
• Malfunction indicator lamp
• Mfi+di
• Nca
• Ntc temperature sensor motor (left side of engine compartment)
• Off
• Pin 15
• Pin 21
• Pin 27
• Pin 44
• Pin 45
• Pin 51
• Pin 8
• Pressure sensor (under left seat)
• Red
• Run
• Shift valve resonance flap (center right of engine compartment)
• Start
• T16 conn (under left seat)
• Tank venting valve (top of engine)
• Td-
• Term 15e
• Term 30
• Term.15
• Term.30
• Throttle valve potentiometer (on throttle valve assembly)
• Throttle valve switch
• Transmission control unit
• W/ catalytic converter
• W/o catalytic converter
• Wide open throttle (switch)
• With auto trans
• With manual trans

3.6L, Engine Performance Wiring Diagrams, Early Production (1 of 2) for Porsche 911 Carrera 4 1995

List of elements for 3.6L, Engine Performance Wiring Diagrams, Early Production (1 of 2) for Porsche 911 Carrera 4 1995:

• (in luggage compt left, below hydraulic unit cover)
• (left side of engine compartment)
• (under left seat)
• +5 v
• 85b
• 87b
• A/c system
• Actuation ic i
• Actuation ic ii
• Anti-theft system
• C35
• C45
• Central electric
• Code lock
• Compressor switch
• D11
• Diagnosis "k"
• Diagnosis "l"
• Distributor
• Electronics ground
• Engine temp
• Fuel injectors
• Fuel pump (right safety wall)
• Fuse 15a
• Fuse 60a
• G103 (right front wheel carrier)
• G300 (below left front seat)
• Gnd/hfm signal
• Ground
• Hall sensor
• Hfm signal
• Ho2s ground
• Ho2s heater
• Ho2s signal
• Hot at all times
• Iat sensor
• Ignition coil i
• Ignition coil ii
• Ignition control unit (left side of engine compt)
• Inj v cyl 1
• Inj v cyl 2
• Inj v cyl 3
• Inj v cyl 4
• Inj v cyl 5
• Inj v cyl 6
• Knock sensor 1
• Knock sensor 2
• Knock sensor gnd
• Map coding
• Mfi + di control unit
• Mfi + di relay
• Mil
• Nca
• O15
• O24
• O25
• O35
• Pwm
• Red
• Resonance flap
• Sec air pump relay
• Secondary air pump
• Secondary air pump relay (left side of engine compt)
• Secondary air pump shift valve
• Signal knock
• Speed sens
• Speed signal
• Speedometer
• Ss connection a
• Ss connection b
• Starting system
• Stepped switch
• Term 15
• Term 30
• Tn signal
• To spark plugs
• Trans input
• Transmission control system
• Transmission controls system
• Trp close
• Trp open
• Tvs
• Vacuum coast shutoff
• Valve tank vent
• Variant coding
• W/ code lock
• W/0 code lock
• W/o code lock

3.6L, Engine Performance Wiring Diagrams, Early Production (2 of 2) for Porsche 911 Carrera 4 1995

List of elements for 3.6L, Engine Performance Wiring Diagrams, Early Production (2 of 2) for Porsche 911 Carrera 4 1995:

• "k" lead
• "l" lead
• (below left front seat)
• (below left g300
• Abs control unit
• Acc
• B15
• Central electric (on right side member, in luggage compartment)
• Co pot
• Diagnosis plug socket (in passenger's footwell)
• Engine compart- ment fuse box
• Engine speed sensor (left side engine compartment)
• Engine temperature sensor
• Front seat)
• Fuse 40a
• Fuse 7.5a
• G300
• Hall sensor (on distributor)
• Heated oxygen sensor
• Hot at all times
• Hot in run or start
• Idle speed positioner (center of engine compartment)
• Ignition switch
• Instrument cluster
• Intake air temperature sensor
• Knock sensor 1 (left of engine)
• Knock sensor 2 (top of engine)
• Knocking
• Lock
• Malfunction indicator lamp
• Mass air flow sensor (center left of engine compartment)
• Mfi+di
• Nca
• Red
• Run
• Shift valve resonance flap (center right of engine compartment)
• Start
• Tank venting valve (top of engine)
• Throttle valve sensor (on throttle valve assembly)
• Tiptronic control unit
• Tn sig

3.6L, Engine Performance Wiring Diagrams, Late Production (1 of 2) for Porsche 911 Carrera 4 1995

List of elements for 3.6L, Engine Performance Wiring Diagrams, Late Production (1 of 2) for Porsche 911 Carrera 4 1995:

• (in luggage compt left, below hydraulic unit cover)
• (left side of engine compartment)
• (under left seat)
• +5 v
• 85b
• 87b
• A/c system
• Actuation ic i
• Actuation ic ii
• Anti-theft system
• Battery
• C35
• C45
• Central electric
• Compressor switch
• D11
• Diagnosis "k"
• Diagnosis "l"
• Distributor
• Electronics ground
• Engine temp
• Exc. rs
• Exc. rs rs
• Fuel injectors
• Fuel pump (right safety wall)
• Fuse 15a
• Fuse 60a
• G103 (right front wheel carrier)
• G300 (below left front seat)
• Gnd/hfm signal
• Ground
• H13
• Hall sensor
• Hfm signal
• Ho2s ground
• Ho2s heater
• Ho2s signal
• Hot at all times
• Iat sensor
• Ignition coil i
• Ignition coil ii
• Ignition control unit (left side of engine compt)
• Inj v cyl 1
• Inj v cyl 2
• Inj v cyl 3
• Inj v cyl 4
• Inj v cyl 5
• Inj v cyl 6
• J43
• Knock sensor 1
• Knock sensor 2
• Knock sensor gnd
• Map coding
• Mfi + di control unit
• Mfi + di relay
• Mil
• Nca
• O15
• O24
• O25
• O35
• Pwm
• Red
• Resonance flap
• Sec air pump relay
• Secondary air pump
• Secondary air pump relay (left side of engine compt)
• Secondary air pump shift valve
• Signal knock
• Speed sens
• Speed signal
• Speedometer
• Ss connection a
• Ss connection b
• Starting system
• Stepped switch
• Term 15
• Term 30
• Tn signal
• To spark plugs
• Trans input
• Transmission control system
• Transmission controls system
• Trp close
• Trp open
• Tvs
• Vacuum coast shutoff
• Valve tank vent
• Variant coding

3.6L, Engine Performance Wiring Diagrams, Late Production (2 of 2) for Porsche 911 Carrera 4 1995

List of elements for 3.6L, Engine Performance Wiring Diagrams, Late Production (2 of 2) for Porsche 911 Carrera 4 1995:

• "k" lead
• "l" lead
• (below left front seat)
• (below left g300
• 10a
• Abs control unit
• Acc
• B15
• Central electric (on right side member, in luggage compartment)
• Co pot
• Cylinder 1-3
• Cylinder 4-6
• Diagnosis plug socket (in passenger's footwell)
• Engine compart- ment fuse box
• Engine speed sensor (left side engine compartment)
• Engine temperature sensor
• Exc. rs
• Front seat)
• Fuse 40a
• Fuse 7.5a
• G300
• Hall sensor (on distributor)
• Heated oxygen sensor
• Hot at all times
• Hot in run or start
• Idle speed positioner (center of engine compartment)
• Ignition switch
• Instrument cluster
• Intake air temperature sensor
• Knock sensor 1 (left of engine)
• Knock sensor 2 (top of engine)
• Knocking
• Lock
• Malfunction indicator lamp
• Mass air flow sensor (center left of engine compartment)
• Nca
• Red
• Run
• Shift valve intake pipe change-over (rs)
• Shift valve resonance flap (center right of engine compartment)
• Start
• Tank venting valve (top of engine)
• Throttle valve sensor (on throttle valve assembly)
• Tiptronic control unit
• Tn sig