ENGINE PERFORMANCE – Saturn LW300 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L VIN R

3.0L VIN R, Engine Performance Wiring Diagram (1 of 3) for Saturn LW300 2003

List of elements for 3.0L VIN R, Engine Performance Wiring Diagram (1 of 3) for Saturn LW300 2003:

• (in intake manifold) intake manifold runner control (imrc) solenoid
• (left front side of eng)
• Case ground
• Ckp hi
• Ckp lo
• Cmp sens
• Coil 1 ctrl
• Coil 3 ctrl
• Coil 4 ctrl
• Coil 5 ctrl
• Coil 6 ctrl
• Crankshaft position sensor (left side of engine block)
• E10
• Ect sens
• Egr sens
• Egr sol ctrl
• Electronic ignition module (1, 3, 5 coil)
• Electronic ignition module (2, 4, 6 coil)
• Engine control module (on top right rear of engine)
• Evap purge
• F10
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• G110
• Heated oxygen sensor bank 1 sensor 1 (on right exhaust manifold)
• Heated oxygen sensor bank 1 sensor 2 (in exhaust, post right pup converter)
• Heated oxygen sensor bank 2 sensor 1 (on left exhaust manifold)
• Heated oxygen sensor bank 2 sensor 2 (in exhaust, post left pup converter)
• Ho2s 1,1 htr
• Ho2s 1,1 in
• Ho2s 1,1 out
• Ho2s 1,1 ref
• Ho2s 1,1 sig
• Ho2s 1,2 hi
• Ho2s 1,2 htr
• Ho2s 1,2 lo
• Ho2s 2,1 htr
• Ho2s 2,1 in
• Ho2s 2,1 out
• Ho2s 2,1 ref
• Ho2s 2,1 sig
• Ho2s 2,2 hi
• Ho2s 2,2 lo
• Hot in run or start
• Iat sens
• Ign fuse 15a
• Intk plenum
• Knock sens
• Knock sensor (for cyl 1, 3, 5) (right side of engine)
• Knock sensor (for cyl 2, 4, 6) (left side of engine)
• Maf sens
• Map sens
• Mass airflow sensor (on air intake duct)
• Nca
• Pnk
• Sensor +5v
• Sensor rtn
• Shield cable ground splice
• Shld ground
• Tan
• Throttle hi
• Throttle lo
• To spark plugs
• Tps +5v
• Tps sens 1
• Tps sens 2
• Underhood fuse block (left side of engine compt)

3.0L VIN R, Engine Performance Wiring Diagram (2 of 3) for Saturn LW300 2003

List of elements for 3.0L VIN R, Engine Performance Wiring Diagram (2 of 3) for Saturn LW300 2003:

• (near left strut tower) g304
• A10
• B10
• B11
• Brake fuse 15a
• C11
• Camshaft position sensor (top left front of engine)
• D11
• D12
• E12
• Egr solenoid (top right
• Engine cntl 1 fuse 10a
• Engine cntl 2 fuse 10a
• Engine cntl 3 fuse 10a
• Engine coolant temperature sensor (in cylinder head)
• Evap purge solenoid (right side of engine compt)
• F10
• Front of engine)
• G118 (front of engine)
• Hot at all times
• Hot in run or acc
• Ign 0 fuse 15a
• Left instrument panel fuse block (left kick panel)
• Main relay
• Manifold absolute pressure sensor (on intake manifold)
• Nca
• Right front wheel speed sensor
• Splice pack (sp104) (rear of engine compt, near bulkhead)
• Splice pack (sp105) (rear of engine compt, near bulkhead)
• Stoplamp switch (on brake pedal bracket)
• Tan
• Throttle control module (on throttle body)
• To fuel pump relay (diagram 3 of 3)
• Underhood fuse block (left side of engine compt)
• Wheel speed conditioner signal module (left side of dash)

3.0L VIN R, Engine Performance Wiring Diagram (3 of 3) for Saturn LW300 2003

List of elements for 3.0L VIN R, Engine Performance Wiring Diagram (3 of 3) for Saturn LW300 2003:

• (lower left side of dash) data link connector
• A/c press
• A/c pressure sensor (in a/c high pressure line)
• A/c rly ctrl
• A/c system
• A10
• A12
• Accelerator
• App +5v
• App 1 sens
• App 2 sens
• App rtn
• B10
• B11
• Battery
• Bcm can hi
• Bcm can lo
• Bcm/ecm/ crz/abs fuse 10a
• Body control module
• C10
• C11
• Charging system
• Computer data lines
• Controls b+ fuse 10a
• Cooling fans
• Corner of engine compt)
• Cruise control
• Cruise/ brake switch (on brake pedal bracket)
• Cruz on/off
• Cruz res/acl
• Cruz set/cst
• Cruz/brake in
• D10
• D12
• Electronic brake traction control module (w/ abs) (left rear of engine compt)
• Engine control module (on top right rear of engine)
• Engine oil pressure switch (on oil pump housing)
• Evap vent
• Evap vent solenoid (upper end of fuel filler pipe)
• Fan 1 ctrl
• Fan 2 ctrl
• From engine ctrl3 fuse (diagram 2 of 3)
• Ftp sens
• Fuel level
• Fuel level sensor
• Fuel pump fuse 15a
• Fuel pump motor
• Fuel pump relay
• Fuel pump rly
• Fuel tank pressure sensor
• Fuel tank unit
• G401 (near left taillamp)
• Gen l term
• Hot at all times
• Hot in run or start
• Ign 1
• Ign 1 fuse 10a
• Instrument cluster
• Kw2000
• Left i/p fuse block (left kick panel)
• Left i/p fuse block c2 (left kick panel)
• Main ground
• Main rly ctrl
• Main rly pwr
• Malfunction indicator lamp
• Oil press
• Pedal position sensor (on accelerator pedal linkage arm)
• Pnk
• Red
• Sens +5v
• Sens rtn
• Stoplamp in
• Tach out
• Tan
• Tcm can hi
• Tcm can lo
• Torque del
• Torque req
• Transmission control module (right rear
• Underhood fuse block (left side of engine compt)
• Vss input
• W/ abs
• W/o abs