ENGINE PERFORMANCE – Porsche 911 Carrera 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.4L

3.4L, Engine Performance Wiring Diagrams (1 of 3) for Porsche 911 Carrera 1999

List of elements for 3.4L, Engine Performance Wiring Diagrams (1 of 3) for Porsche 911 Carrera 1999:

• (left rear of engine) g114
• Aav valve
• Aegr sens
• Anti- lock brake system
• Automatic egr examin- ation connector
• Cooling fan st 1
• Cooling fan st 2
• Cooling fans system
• Cooling sw
• Ekp cutoff
• Eng sp sensor gnd
• Eng sp/tn sign
• Engine impulse
• Fuel injectors
• Fuel status
• Fuse b10 15a
• Fuse support b
• G110 (left front of eng)
• G119 (right front of eng)
• Gnd
• Gnd o2 sensors
• Hall sensor
• Hall sensor sign
• Ho2s (bef cat)
• Ho2s (beh cat)
• Ho2s 1 sign (bef cat)
• Ho2s 2 sign (bef cat)
• Hot in run or start
• Idle sp ewd-close
• Idle sp pos ewd-open
• Ign (start & run)
• Ign gnd
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Igntion coil 3
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Instrument cluster
• Intake temp
• Knock sensor 1
• Knock sensor 2
• Kva
• Main relay
• Malfunct ind lmp
• Malfunction ind lamp
• Measure sign (+)
• Mfi & di control unit (behind seatwell)
• Navigation system
• Nca
• Ntc eng compt temp
• Ntc engine air temperature environment sensor
• Nw2
• Second air pump
• Sensor ground
• Term 30
• Tv-sign

3.4L, Engine Performance Wiring Diagrams (2 of 3) for Porsche 911 Carrera 1999

List of elements for 3.4L, Engine Performance Wiring Diagrams (2 of 3) for Porsche 911 Carrera 1999:

• (on relay support 1) mfi-di relay
• (on relay support 2) ignition/ oxygen sensor relay
• (on relay support 2) secondary air pump relay
• Aav valve
• Bs 21/2
• Camshaft adjuster (left)
• Camshaft adjuster (right)
• Cooling fans system
• Differential pressure sensor
• Double ntc cooling water temp. motor sensor
• Fuse c1 25a
• Fuse c2 30a
• Fuse support c
• G117 (right rear of engine)
• Hot at all times
• Idle speed positioner
• Intake pipe change-over valve
• Mass air- flow sensor (near air cleaner housing)
• Nca
• Oil temperature & oil level sensor
• Secondary air blowing in valve
• Secondary air pump motor (left side of eng compt)
• Starting/charging system
• Throttle valve potentiometer (behind accelerator pedal)

3.4L, Engine Performance Wiring Diagrams (3 of 3) for Porsche 911 Carrera 1999

List of elements for 3.4L, Engine Performance Wiring Diagrams (3 of 3) for Porsche 911 Carrera 1999:

• "w" lead
• (in fuel tank) fuel pump
• (left side of dash)
• (on relay support 1) fuel pump relay
• 5-stf release
• A/c demand
• A/c system
• A/t
• Actuation start lock
• Alarm system/ central locking system control unit (under driver's seat)
• Anti-lock brake system
• Blower monitoring
• Can hi
• Can low
• Clutch interlock switch
• Compr on
• Cooling fans system
• Diagnosis connector (below left side of dash)
• Differential pressure
• Ekp relay
• Eng compt clean fan
• Eng sp sensor sign
• Engine speed sensor (in transmission)
• Eso rear
• Fuel consumption ind
• Fuse b8 15a
• Fuse c4 25a
• Fuse support b
• Fuse support c
• G114 (left rear of engine)
• G202
• G202 (left side of dash)
• Gnd
• Ho2s 1 (beh cat)
• Ho2s 2 (beh cat)
• Hot at all times
• Hot in start & run
• Ign (start & run)
• Ignition 2
• Instrument cluster system
• Intake pipe
• J/c (bs 12)
• J/c (bs 16/1)
• J/c (bs 21/1)
• Knock sensors gnd
• Lifting switch
• M/t
• Maxi fuse 40a
• Mfi & di control unit (behind seatwell)
• Mmi eng actual impul
• Nca
• Ntc water
• Nw1
• Oil temp
• Oxygen sensor 1 (downstream)
• Oxygen sensor 1 (upstream)
• Oxygen sensor 2 (downstream)
• Oxygen sensor 2 (upstream)
• Relay support
• Software voltage
• Starting/charging system
• Tank venting valve
• Tiptronic transmission control unit (behind right side emergency seat recess)
• Turn sign
• Ub switch