ENGINE PERFORMANCE – Mercedes-Benz S430 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.3L

4.3L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz S430 2002

List of elements for 4.3L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz S430 2002:

• (center rear of engine) egr pressure transducer
• (left footwell) w15/2
• (right front of engine compt) air pump switchover valve
• Accelerator pedal sensor (above pedal assembly)
• Acf vlv
• Activated charcoal filter shutoff valve
• Air pump
• Aps vlv
• Can h
• Can l
• Coil 3a
• Coil 7a
• Coil 8a
• Computer data lines system
• Cooling fans system
• Crash
• Data link connector (upper left footwell)
• Diag
• Egr
• Engine control module (me-sfi) (right rear of engine compt)
• Fan
• Ftp +5v
• Ftp -
• Ftp sig
• Fuel injectors
• Fuel pump
• Fuel tank pressure sensor (center front of trunk)
• Fuse 150a
• Fuse 60a
• Gen
• Generator
• Hot at all times
• Inj 2
• Inj 3
• Inj 4
• Inj 6
• Inj 7
• Inj 8
• Kickdown switch (incorporated w/ accelerator pedal assembly)
• Kickdwn
• L o2 s
• Left o2 sensor (after twc) (under left front of vehicle)
• Nca
• O2 d
• R o2 s
• R o2 u
• Red
• Right o2 sensor (after twc) (under right front of vehicle)
• Shifting induction pipe switchover valve
• Sig
• Start
• Terminal block & fuse box (right front wheelwell)
• Tna
• Vims vlv

4.3L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz S430 2002

List of elements for 4.3L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz S430 2002:

• (left front of engine compt) w11/3
• (left rear of vehicle) fuel pump
• (under left rear seat) w17/1
• Air pump (top front side of engine)
• Air pump relay
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Hot at all times
• Hot in run or start
• L27
• Left o2 sensor (before twc) (left rear of engine compt)
• Motor electronics/ chassis relay
• Mr1
• Mr2
• Nca
• Purge control valve (left rear of engine compt)
• Rear fuse/relay module (under right rear seat)
• Red
• Right front fuse/ relay module (right rear of engine compt)
• Right front sam control module
• Right o2 sensor (before twc) (right rear of engine compt)
• Throttle valve actuator (rear top center of engine)
• W36/1 (right footwell)

4.3L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz S430 2002

List of elements for 4.3L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz S430 2002:

• (below intake manifold) left knock sensor
• (below intake manifold) right knock sensor
• (center rear of engine compt) hot film maf sensor
• (front of engine)
• (front of engine) coolant temperature sensor
• (left rear of engine) crankshaft position sensor
• (lower right side of engine) oil sensor
• (pins 29-38: not used)
• (right front of engine) camshaft hall sensor
• +5v
• 30z
• Ckp
• Clear
• Cmp sig
• Coil 1a
• Coil 1b
• Coil 2a
• Coil 2b
• Coil 3b
• Coil 4a
• Coil 4b
• Coil 5a
• Coil 5b
• Coil 6a
• Coil 6b
• Coil 7b
• Coil 8b
• Cool tmp
• Cylinder ignition coils
• Ea ip1s
• Ea ip2s
• Engine control module (me-sfi) (right rear of engine compt)
• Fuse 60a
• Hot at all times
• Inj 1
• Inj 5
• L ks -
• L ks sig
• L o2 ht
• L o2 u
• Maf
• Maf +5v
• Maf -
• Maf sig
• O2 u
• Oil sens
• Pnk
• Press sig
• Pressure sensor
• Purge
• R ks -
• R ks sig
• R o2 ht
• R o2 u
• Radio interference suppression capacitors (top of engine)
• Red
• Sens -
• Terminal block & fuse box (right front wheelwell)
• To spark plugs
• W11/3 (left front of engine compt)
• W36/1 (right footwell)