ENGINE PERFORMANCE – Porsche Boxster S 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.9L

2.9L, Engine Performance Wiring Diagram (1 of 3) for Porsche Boxster S 2012

List of elements for 2.9L, Engine Performance Wiring Diagram (1 of 3) for Porsche Boxster S 2012:

• +5v
• B+ plug socket (right side of trans- mission)
• Battery
• 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 hi display
• Can lo display
• Clock sig
• Computer data lines system
• Current
• Diagnostic test con
• Dme control unit
• Electronics gnd
• Eng compt temp sen
• Eng speed sens shd
• Final stage gnd
• Flap over valve
• Fuse f3 7.5a
• Fuse holder d
• Generator
• Generator term
• Gp8 (at left side of engine compt)
• Gp9 (at left side of eng compt)
• Ground
• Hfm +5v
• Hfm gnd
• Hot at all times
• Htr +
• Htr -
• Inj valve/cylinder 3
• Inj valve/cylinder 4
• Inj valve/cylinder 5
• Inj valve/cylinder 6
• Injectors gnd
• Instrument cluster
• Intake temp sensor
• Lift control valve cylinders 1-3 (cylinder head cover)
• Lift control valve cylinders 4-6 (cylinder head cover)
• Lift ctrl cyl 1-3
• Lift ctrl cyl 4-6
• Maf signal
• Mass air flow sensor
• Maxi fuse 40a
• Nca
• Ntc coolant temp
• Oxygen sensor (cyl 1-3)
• Oxygen sensor (cyl 4-6)
• Oxygen sensor ahead of catalytic converter
• Pipe distribution flap valve
• Pipe flap
• Pressure ctrl +
• Pump current reg in
• Pump current reg out
• Red
• Resistor
• Second air pump rly
• Secondary air pump (net to intake bridge)
• Secondary air pump rear maxi fuse (left side of engine compt, on on fuses support)
• Secondary air pump relay (relay support 2)
• Sensors gnd
• Sports exhaust sys
• Starter
• Starting/ charging system
• Tank venting valve
• Temp motor oil
• Term 15
• Term 30
• Term 87
• Throttle valve gnd
• Throttle valve sig
• Throttle vlv mtr (+)
• Throttle vlv mtr (-)
• Volt +
• Volt -
• Voltage

2.9L, Engine Performance Wiring Diagram (2 of 3) for Porsche Boxster S 2012

List of elements for 2.9L, Engine Performance Wiring Diagram (2 of 3) for Porsche Boxster S 2012:

• (relay support 1) fuel pump relay
• (under battery, in fuel tank) fuel pump/ level sensor
• Air conditioning & cooling fans systems
• Camshaft adjustment (cyl 1-3) (top of engine)
• Camshaft adjustment (cyl 4-6) (top of engine)
• Camshaft sensor 1
• Camshaft sensor 2 (at left rear & right front of engine)
• Current distributor
• Engine coolant temperature sensor (on engine)
• Engine speed sensor (left side of clutch bell housing)
• Engine temperature sensor (middle of engine)
• Fuse f1 25a
• Fuse f5 25a
• Fuse f6 25a
• Fuse f7 15a
• Fuse f7 80a
• Fuse holder d
• Gnd
• Gp3 (behind left side of dash)
• Hot at all times
• Mfi-di relay
• Nca
• Ntc
• Oil pressure regulation shift valve
• Oil temperature & oil pressure sensor (on engine oil pan)
• Resonance flap switch over valve
• Sig
• Sports exhaust system valve
• Tank venting valve (near fuel fill flap)
• Throttle valve (middle of intake manifold)

2.9L, Engine Performance Wiring Diagram (3 of 3) for Porsche Boxster S 2012

List of elements for 2.9L, Engine Performance Wiring Diagram (3 of 3) for Porsche Boxster S 2012:

• (center of dash)
• (expansion tank) cooling water level switch
• (on engine block) knock sensor 1
• (on engine block) knock sensor 2
• (on intake manifolds) fuel injectors
• (under accelerator pedal) pedal valve sensor
• +5v pdl value sens 1
• +5v pdl value sens 2
• Bridge plug (relay support 1)
• Button sports
• Camshaft adj 1
• Camshaft adj 2
• Can high
• Can low
• Clutch interlock switch (clutch pedal)
• Coolant level sw
• Cooling fans system
• Cooling water valve
• Crash shut-down
• Dme control unit
• Dmtl heating element
• Dmtl pump
• Dmtl valve
• Electronic mufflers system
• Eng compt blwr rly
• Eng speed sensor
• Fuel pump relay ctrl
• Gateway control unit (left kick panel)
• Gp11 (at left side of engine compt)
• Gp4
• Gp9 (left side of engine compt)
• Ign coil 1
• Ign coil 2
• Ign coil 3
• Ign coil 4
• Ign coil 5
• Ign coil 6
• Ignition coils (cylinder head cover)
• Inj valve/cylinder 1
• Inj valve/cylinder 2
• Knock sens 1
• Knock sens 2
• Led sports exhaust
• Mfi+di relay ctrl
• Oil pressure
• Pdk control unit
• Pdl value sens 1 gnd
• Pdl value sens 1 sig
• Pdl value sens 2 gnd
• Pdl value sens 2 sig
• Plug spark
• Pressure ctrl -
• Release
• Spark plug
• Start release
• Starter inter lk a
• Starting/charging system
• Tank leakage diagnostics module

3.4L

3.4L, Engine Performance Wiring Diagram (1 of 4) for Porsche Boxster S 2012

List of elements for 3.4L, Engine Performance Wiring Diagram (1 of 4) for Porsche Boxster S 2012:

• (not used)
• +5v veh sens
• Actual value 1
• Actual value 2
• Air temp sens
• Bank 1
• Bank 2
• Can high
• Can low
• Clutch switch
• Compt purge fan
• Computer data lines system
• Cooling water level switch (expansion tank)
• Cooling water shutoff valve
• Current vk b1
• Current vk b2
• Diagnostics mod
• Dme control unit
• Dme relay
• Dmtl-heizung
• Electronic mufflers system
• Exhaust system
• Fuel pump 1
• Fuse f1 25a
• Fuse f3 7.5a
• Fuse f4 20a
• Fuse f5 25a
• Fuse f6 25a
• Fuse f7 15a
• Fuse f8 7.5a
• Fuse holder d
• Gp11 (at left side of engine compt)
• Hot at all times
• Lsf gnd nk b1
• Lsf gnd nk b2
• Lsf htr nk b1
• Lsf htr nk b2
• Lsf sig nk b1
• Lsf sig nk b2
• Lsu gnd vk b1
• Lsu htr vk b1
• Oxy sens 2 gnd
• Oxygen sens 1
• Oxygen sens 2
• Oxygen sensor catalytic converter 1 bank 1
• Oxygen sensor catalytic converter bank 2
• Pedal valve sensor (under accelerator pedal)
• Potentiometer 1
• Potentiometer 2
• Pwg +5v 1
• Pwg +5v poti 2
• Scavenge blwr
• Sens heating
• Sensor ground
• Shutoff valve
• Signal, maf b1
• Starter relay
• Starting/ charging system
• Tank leakage diagnostics module (w/ on board refueling vapor recovery)
• Term 15
• Term 30a
• Term 31 gnd
• Term 87 sply
• W/ on board refueling vapor recovery
• Water lvl sw

3.4L, Engine Performance Wiring Diagram (2 of 4) for Porsche Boxster S 2012

List of elements for 3.4L, Engine Performance Wiring Diagram (2 of 4) for Porsche Boxster S 2012:

• (under battery, in fuel tank) fuel pump/ level sensor
• A/t
• Bridge plug (relay support 1)
• Camshaft adjustment 1 cylinders 1-3 (top of engine)
• Camshaft adjustment 2 cylinders 4-6 (top of engine)
• Can high instrument cluster
• Can low
• Clutch interlock switch (clutch pedal)
• Computer data lines system
• Distribution pipe flap valve
• Engine compartment purge fan
• Fuel lvl sens
• Fuel pump relay 1
• Fuse f1 10a
• Fuse holder f
• Gnd
• Gp11 (at left side of engine compt)
• Gp3 (behind left side of dash)
• Gp4 (center of dash)
• Hot at all times
• Intake pipe flap valve (front middle middle of engine)
• Lift control valve cylinders 1-3 (cylinder head cover)
• Lift control valve cylinders 4-6 (cylinder head cover)
• M/t
• Mass air flow sensor
• Ntc
• Oil level
• Oil level gnd
• Pdk control unit
• Relay support 1 (under left side of dash, in footwell)
• Signal
• Sply
• Starter interlock
• Volt ref

3.4L, Engine Performance Wiring Diagram (3 of 4) for Porsche Boxster S 2012

List of elements for 3.4L, Engine Performance Wiring Diagram (3 of 4) for Porsche Boxster S 2012:

• (boxster: on engine oil pan) (cayman) oil pressure sensor (boxster) oil temperature pressure sensor
• (left side of rear luggage compt) relay support 2
• (middle of engine) engine compartment temperature sensor
• (middle of intake manifold) throttle valve
• (under left side of dash, in footwell) relay support 1
• +5v
• Air cleaner flap
• Camshaft sens 1
• Camshaft sens 2
• Camshaft sensor 1 cylinders 1-3
• Camshaft sensor 2 cylinders 4-6 (left rear & right front of engine)
• Crash out
• Dme control unit
• Dme relay
• Engine compartment fan relay
• Engine shield
• Engine speed +
• Engine speed -
• Fuel inj cyl 2 -
• Fuel inj cyl 5 -
• Generator pwm
• Ground
• Ignition cyl 3
• Ignition cyl 4
• Ignition cyl 5
• Knock sensor 1
• Knock sensor 2
• Micro relay
• Nca
• Ntc
• Ntc water sensor
• Oil level sensor
• Oil regulation -
• Output
• Power distribution system
• Pressure sensor
• Regulation +
• Signal
• Speed sensor (left side of clutch bell housing)
• Starting/ charging system
• Tank vent valve (near fuel fill flap)
• Term 15
• Term 31
• Thro valve +5v
• Thro vlv gnd

3.4L, Engine Performance Wiring Diagram (4 of 4) for Porsche Boxster S 2012

List of elements for 3.4L, Engine Performance Wiring Diagram (4 of 4) for Porsche Boxster S 2012:

• (on engine block) knock sensor 1 cylinders 1-3
• (on engine block) knock sensor 2 cylinders 4-6
• Adjuster b2
• Camshaft adjuster
• Cooling water
• Dme control unit
• Electronic mufflers system
• Eng compt temp
• Exhaust system
• Fuel inj cyl 1 +
• Fuel inj cyl 1 -
• Fuel inj cyl 2 +
• Fuel inj cyl 3 +
• Fuel inj cyl 3 -
• Fuel inj cyl 4 +
• Fuel inj cyl 4 -
• Fuel inj cyl 5 +
• Fuel inj cyl 6 +
• Fuel inj cyl 6 -
• Fuel injectors (on intake manifolds)
• Gnd, sens
• Gp11 (at left side of engine compt)
• High sens rail
• Ignition coils (cylinder head cover)
• Ignition cyl 1
• Ignition cyl 2
• Ignition cyl 6
• Knock sens 1
• Knock sens 2
• Motor +
• Motor -
• Nca
• Oil pressure
• Oil pressure regulation shift valve
• Oil temp sens
• Quantity control valve
• Quantity ctrl vlv
• Resonance flap
• Tank vent vlv
• Thro vlv sens 1
• Thro vlv sens 2
• Vlv lift ctrl b1
• Vlv lift ctrl b2