ENGINE PERFORMANCE
2.7L
2.7L, Engine Performance Wiring Diagram (1 of 3) for Porsche Boxster S 2004
List of elements for 2.7L, Engine Performance Wiring Diagram (1 of 3) for Porsche Boxster S 2004:
- "w" lead
- +5v
- A/c system
- Anti-theft system (alarm system control unit)
- 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 temp sen
- Eng speed sens shd
- Final stage gnd
- Fuel injectors
- Fuse c1 25a
- Fuse c2 30a
- Fuse holder c (integral to fuse support, at left kick panel)
- Gp8 (left side of engine compt)
- Gp9 (on trans- mission)
- 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 control unit (left side of rear luggage 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
- Throttle vlv mtr (+)
- Throttle vlv mtr (-)
- Trans- missions system
- Trans- missions system (tiptronic control unit)
2.7L, Engine Performance Wiring Diagram (2 of 3) for Porsche Boxster S 2004
List of elements for 2.7L, Engine Performance Wiring Diagram (2 of 3) for Porsche Boxster S 2004:
- (below left side of dash) diagnosis connector
- Camshaft adjustment
- Camshaft sensor 1 (on rear of right cyl head)
- Camshaft sensor 2 (on front of left cyl head)
- 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, at left kick panel)
- Fuse holder e (integral to fuse support, at left kick panel)
- Gp12 (rear of engine)
- Gp3-1 (left side of dash)
- Hot at all times
- Hot in run or start
- Intake pipe change- over valve
- J/c bs14/2
- J/c bs16/1
- J/c bs6/2
- 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 (on throttle valve assembly)
2.7L, Engine Performance Wiring Diagram (3 of 3) for Porsche Boxster S 2004
List of elements for 2.7L, Engine Performance Wiring Diagram (3 of 3) for Porsche Boxster S 2004:
- (behind accelerator pedal) pedal value sensor
- (in fuel tank) fuel pump
- (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 rly
- A/c system
- Aav valve
- Abs system
- Automatic exhaust gas recirculation examination connector
- Camshaft adj 1
- Camshaft adj 2
- Can high
- Can low
- Clutch release
- Cooling fans system
- Cooling water valve
- Crash shut-down
- Diag
- Differential pressure
- Differential pressure sensor
- Eng compt blwr rly
- Eng speed sensor
- Eso rear
- Fan stage 1
- Fan stage 2
- Fuel pump relay ctrl
- Fuse b8 15a
- Fuse c4 30a
- Fuse holder c (integral to fuse support)
- G3 (left side of dash)
- Gp11 (left side of engine)
- Gp12 (rear of engine)
- Gp8 (left side of engine compt)
- Gp9 (on trans- mission)
- Hot at all times
- Hot in on or start
- 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
- Knock sens 1
- Knock sens 2
- Mean pressure sw
- Mfi+di relay ctrl
- Mfi-di control unit (left side of rear luggage 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
- Tn-signal
3.2L
3.2L, Engine Performance Wiring Diagram (1 of 3) for Porsche Boxster S 2004
List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 3) for Porsche Boxster S 2004:
- "w" lead
- +5v
- A/c system
- Anti-theft system (alarm system control unit)
- 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 temp sen
- Eng speed sens shd
- Final stage gnd
- Fuel injectors
- Fuse c1 25a
- Fuse c2 30a
- Fuse holder c (integral to fuse support, at left kick panel)
- Gp8 (left side of engine compt)
- Gp9 (on trans- mission)
- 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 control unit (left side of rear luggage 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
- Throttle vlv mtr (+)
- Throttle vlv mtr (-)
- Trans- missions system
- Trans- missions system (tiptronic control unit)
3.2L, Engine Performance Wiring Diagram (2 of 3) for Porsche Boxster S 2004
List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 3) for Porsche Boxster S 2004:
- (below left side of dash) diagnosis connector
- Camshaft adjustment
- Camshaft sensor 1 (on rear of right cyl head)
- Camshaft sensor 2 (on front of left cyl head)
- 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, at left kick panel)
- Fuse holder e (integral to fuse support, at left kick panel)
- Gp12 (rear of engine)
- Gp3-1 (left side of dash)
- Hot at all times
- Hot in run or start
- Intake pipe change- over valve
- J/c bs14/2
- J/c bs16/1
- J/c bs6/2
- 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 (on throttle valve assembly)
3.2L, Engine Performance Wiring Diagram (3 of 3) for Porsche Boxster S 2004
List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 3) for Porsche Boxster S 2004:
- (behind accelerator pedal) pedal value sensor
- (in fuel tank) fuel pump
- (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 rly
- A/c system
- Aav valve
- Abs system
- Automatic exhaust gas recirculation examination connector
- Camshaft adj 1
- Camshaft adj 2
- Can high
- Can low
- Clutch release
- Cooling fans system
- Cooling water valve
- Crash shut-down
- Diag
- Differential pressure
- Differential pressure sensor
- Eng compt blwr rly
- Eng speed sensor
- Eso rear
- Fan stage 1
- Fan stage 2
- Fuel pump relay ctrl
- Fuse b8 15a
- Fuse c4 30a
- Fuse holder c (integral to fuse support)
- G3 (left side of dash)
- Gp11 (left side of engine)
- Gp12 (rear of engine)
- Gp8 (left side of engine compt)
- Gp9 (on trans- mission)
- Hot at all times
- Hot in on or start
- 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
- Knock sens 1
- Knock sens 2
- Mean pressure sw
- Mfi+di relay ctrl
- Mfi-di control unit (left side of rear luggage 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
- Tn-signal
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