ENGINE PERFORMANCE – Porsche Boxster S 2001 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.7L

2.7L, Engine Performance Wiring Diagrams (1 of 3) for Porsche Boxster S 2001

List of elements for 2.7L, Engine Performance Wiring Diagrams (1 of 3) for Porsche Boxster S 2001:

• "w" lead
• (not used)
• +5v
• A/c rly
• A/c system
• Anti-theft system (alarm system control unit)
• Automatic egr exam
• Before cat heat o2s1
• Before cat heat o2s2
• Before cat o2s 1 gnd
• Before cat o2s 1 sig
• Before cat o2s 2 gnd
• Before cat o2s 2 sig
• Behind cat heat o2s1
• Behind cat heat o2s2
• Behind cat o2s 1 gnd
• Behind cat o2s 1 sig
• Behind cat o2s 2 gnd
• Behind cat o2s 2 sig
• Camshaft sensor 1
• Camshaft sensor 2
• Can tiptronic high
• Can tiptronic low
• Electronics gnd
• Eng compt blwr rly
• Eng compt fan ind
• Eng compt temp sen
• Eng speed sensor
• Final stage gnd
• Fuel injectors
• Fuse c1 25a
• Fuse c2 30a
• Fuse holder c (integral to fuse support)
• G129 (on transmission)
• G400 (left side of engine compt)
• Hfm +5v
• Hfm gnd
• Hfm signal
• Hot at all times
• Ignition/oxygen sensor relay (on relay support 2)
• Inj valve/cylinder 3
• Inj valve/cylinder 4
• Inj valve/cylinder 5
• Inj valve/cylinder 6
• Injectors gnd
• Intake pipe chg-over
• Intake temp sensor
• Mass airflow sensor (on fresh air intake, near air filter)
• Mfi+di relay
• Mfi+di relay ctrl
• Mfi-di control unit (on left side of engine compt)
• Mfi-di relay (on relay support 2)
• Nca
• Ntc coolant temp
• Ntc gnd
• Oxygen sensor (cyl 1-3) (downstream of catalytic conv)
• Oxygen sensor (cyl 1-3) (upstream of catalytic conv)
• Oxygen sensor (cyl 4-6) (downstream of catalytic conv)
• Oxygen sensor (cyl 4-6) (upstream of catalytic conv)
• P/n release
• Second air pump rly
• Second air pump valve
• Secondary air pump relay (on relay support 2)
• Sensors gnd
• Starting/ charging system
• Tank venting valve
• Temp motor oil
• Term. 15
• Term. 30
• Throttle valve gnd
• Throttle valve sig
• Trans- missions system
• Trans- missions system (tiptronic control unit)

2.7L, Engine Performance Wiring Diagrams (2 of 3) for Porsche Boxster S 2001

List of elements for 2.7L, Engine Performance Wiring Diagrams (2 of 3) for Porsche Boxster S 2001:

• (below left side of dash) diagnosis connector
• Abs system
• Camshaft adjustment
• Clutch interlock switch
• Engine coolant temperature sensor (on left front of engine)
• Engine speed sensor (on rear of engine, right of crankshaft)
• Engine temperature sensor (on right side of engine)
• Filler neck valve switch
• Fresh air valve
• Fuel tank venting valve (near throttle body)
• Fuse b7 15a
• Fuse b8 15a
• Fuse e6 7.5a
• Fuse holder b (integral to fuse support)
• Fuse holder e (integral to fuse support)
• G115 (rear of engine)
• G202 (left side of dash)
• Hall sensor 1 (on rear of right cyl head)
• Hall sensor 2 (on front of left cyl head)
• Hot at all times
• Hot in run or start
• Intake pipe change- over valve
• J/c bs14/2
• J/c bs16/1
• Maxi fuse 40a
• Nca
• Oil temperature & oil level sensor (on top left of engine, under intake manifold)
• Orvr valve
• Relay support 2 (on left side of rear luggage compt)
• Secondary air pump motor (at right side of engine compt)
• Secondary air valve
• Stoplight switch (on brake pedal, below floor panel)
• Throttle valve potentiometer (on throttle valve assembly)

2.7L, Engine Performance Wiring Diagrams (3 of 3) for Porsche Boxster S 2001

List of elements for 2.7L, Engine Performance Wiring Diagrams (3 of 3) for Porsche Boxster S 2001:

• (behind accelerator pedal) pedal value sensor
• (in fuel tank) fuel pump
• (not used)
• (on relay support 1) fuel pump relay
• (on top of left cyl head) knock sensor 2
• (on top of right cyl head) knock sensor 1
• +5v pdl value sens 1
• +5v pdl value sens 2
• A/c demand
• A/c system
• Aav valve
• Abs system
• Automatic exhaust gas recirculation examination connector
• Brake pressure sw
• Camshaft adj 1
• Camshaft adj 2
• Can high
• Can low
• Clutch release
• Clutch switch
• Cooling fans system
• Crash shut-down
• Cruise control off
• Cruise control set
• Cruise control system
• Cruise ctrl light
• Differential pressure
• Differential pressure sensor
• Dim status
• Eng speed sens shd
• Eng speed sensor
• Eso rear
• Fan stage 1
• Fan stage 2
• Fuel pump relay ctrl
• Fuel status
• Fuse c4 30a
• Fuse holder c (integral to fuse support)
• G110 (left side of engine)
• G115 (rear of engine)
• G129 (on transmission)
• G202 (left side of dash)
• G400 (left side of engine compt)
• Hot at all times
• Ign coil 1
• Ign coil 2
• Ign coil 3
• Ign coil 4
• Ign coil 5
• Ign coil 6
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition gnd
• Inj valve/cylinder 1
• Inj valve/cylinder 2
• Instrument cluster system
• J/c bs6/2
• Knock sens 1 gnd
• Knock sens 1 in
• Knock sens 2 gnd
• Knock sens 2 in
• Kva
• Malfunction ind lamp
• Mean pressure sw
• Mfi-di control unit (on left side of engine compt)
• Nca
• Pdl value sens 1 gnd
• Pdl value sens 1 sig
• Pdl value sens 2 gnd
• Pdl value sens 2 sig
• Plug spark
• Release
• Sensor gnd
• Spark plug
• Starting/charging system
• Stoplight sw 1
• Tempostat resume
• Throttle vlv mtr (+)
• Throttle vlv mtr (-)
• Tiptr variant coding
• Tn-signal

3.2L

3.2L, Engine Performance Wiring Diagrams (1 of 3) for Porsche Boxster S 2001

List of elements for 3.2L, Engine Performance Wiring Diagrams (1 of 3) for Porsche Boxster S 2001:

• "w" lead
• (not used)
• +5v
• A/c rly
• A/c system
• Anti-theft system (alarm system control unit)
• Automatic egr exam
• Before cat heat o2s1
• Before cat heat o2s2
• Before cat o2s 1 gnd
• Before cat o2s 1 sig
• Before cat o2s 2 gnd
• Before cat o2s 2 sig
• Behind cat heat o2s1
• Behind cat heat o2s2
• Behind cat o2s 1 gnd
• Behind cat o2s 1 sig
• Behind cat o2s 2 gnd
• Behind cat o2s 2 sig
• Camshaft sensor 1
• Camshaft sensor 2
• Can tiptronic high
• Can tiptronic low
• Electronics gnd
• Eng compt blwr rly
• Eng compt fan ind
• Eng compt temp sen
• Eng speed sensor
• Final stage gnd
• Fuel injectors
• Fuse c1 25a
• Fuse c2 30a
• Fuse holder c (integral to fuse support)
• G129 (on transmission)
• G400 (left side of engine compt)
• Hfm +5v
• Hfm gnd
• Hfm signal
• Hot at all times
• Ignition/oxygen sensor relay (on relay support 2)
• Inj valve/cylinder 3
• Inj valve/cylinder 4
• Inj valve/cylinder 5
• Inj valve/cylinder 6
• Injectors gnd
• Intake pipe chg-over
• Intake temp sensor
• Mass airflow sensor (on fresh air intake, near air filter)
• Mfi+di relay
• Mfi+di relay ctrl
• Mfi-di control unit (on left side of engine compt)
• Mfi-di relay (on relay support 2)
• Nca
• Ntc coolant temp
• Ntc gnd
• Oxygen sensor (cyl 1-3) (downstream of catalytic conv)
• Oxygen sensor (cyl 1-3) (upstream of catalytic conv)
• Oxygen sensor (cyl 4-6) (downstream of catalytic conv)
• Oxygen sensor (cyl 4-6) (upstream of catalytic conv)
• P/n release
• Second air pump rly
• Second air pump valve
• Secondary air pump relay (on relay support 2)
• Sensors gnd
• Starting/ charging system
• Tank venting valve
• Temp motor oil
• Term. 15
• Term. 30
• Throttle valve gnd
• Throttle valve sig
• Trans- missions system
• Trans- missions system (tiptronic control unit)

3.2L, Engine Performance Wiring Diagrams (2 of 3) for Porsche Boxster S 2001

List of elements for 3.2L, Engine Performance Wiring Diagrams (2 of 3) for Porsche Boxster S 2001:

• (below left side of dash) diagnosis connector
• Abs system
• Camshaft adjustment
• Clutch interlock switch
• Engine coolant temperature sensor (on left front of engine)
• Engine speed sensor (on rear of engine, right of crankshaft)
• Engine temperature sensor (on right side of engine)
• Filler neck valve switch
• Fresh air valve
• Fuel tank venting valve (near throttle body)
• Fuse b7 15a
• Fuse b8 15a
• Fuse e6 7.5a
• Fuse holder b (integral to fuse support)
• Fuse holder e (integral to fuse support)
• G115 (rear of engine)
• G202 (left side of dash)
• Hall sensor 1 (on rear of right cyl head)
• Hall sensor 2 (on front of left cyl head)
• Hot at all times
• Hot in run or start
• Intake pipe change- over valve
• J/c bs14/2
• J/c bs16/1
• Maxi fuse 40a
• Nca
• Oil temperature & oil level sensor (on top left of engine, under intake manifold)
• Orvr valve
• Relay support 2 (on left side of rear luggage compt)
• Secondary air pump motor (at right side of engine compt)
• Secondary air valve
• Stoplight switch (on brake pedal, below floor panel)
• Throttle valve potentiometer (on throttle valve assembly)

3.2L, Engine Performance Wiring Diagrams (3 of 3) for Porsche Boxster S 2001

List of elements for 3.2L, Engine Performance Wiring Diagrams (3 of 3) for Porsche Boxster S 2001:

• (behind accelerator pedal) pedal value sensor
• (in fuel tank) fuel pump
• (not used)
• (on relay support 1) fuel pump relay
• (on top of left cyl head) knock sensor 2
• (on top of right cyl head) knock sensor 1
• +5v pdl value sens 1
• +5v pdl value sens 2
• A/c demand
• A/c system
• Aav valve
• Abs system
• Automatic exhaust gas recirculation examination connector
• Brake pressure sw
• Camshaft adj 1
• Camshaft adj 2
• Can high
• Can low
• Clutch release
• Clutch switch
• Cooling fans system
• Crash shut-down
• Cruise control off
• Cruise control set
• Cruise control system
• Cruise ctrl light
• Differential pressure
• Differential pressure sensor
• Dim status
• Eng speed sens shd
• Eng speed sensor
• Eso rear
• Fan stage 1
• Fan stage 2
• Fuel pump relay ctrl
• Fuel status
• Fuse c4 30a
• Fuse holder c (integral to fuse support)
• G110 (left side of engine)
• G115 (rear of engine)
• G129 (on transmission)
• G202 (left side of dash)
• G400 (left side of engine compt)
• Hot at all times
• Ign coil 1
• Ign coil 2
• Ign coil 3
• Ign coil 4
• Ign coil 5
• Ign coil 6
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition gnd
• Inj valve/cylinder 1
• Inj valve/cylinder 2
• Instrument cluster system
• J/c bs6/2
• Knock sens 1 gnd
• Knock sens 1 in
• Knock sens 2 gnd
• Knock sens 2 in
• Kva
• Malfunction ind lamp
• Mean pressure sw
• Mfi-di control unit (on left side of engine compt)
• Nca
• Pdl value sens 1 gnd
• Pdl value sens 1 sig
• Pdl value sens 2 gnd
• Pdl value sens 2 sig
• Plug spark
• Release
• Sensor gnd
• Spark plug
• Starting/charging system
• Stoplight sw 1
• Tempostat resume
• Throttle vlv mtr (+)
• Throttle vlv mtr (-)
• Tiptr variant coding
• Tn-signal