ENGINE PERFORMANCE – Saturn SL 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.9L

1.9L VIN 8, Engine Performance Wiring Diagrams (1 of 3) for Saturn SL 2002

List of elements for 1.9L VIN 8, Engine Performance Wiring Diagrams (1 of 3) for Saturn SL 2002:

• (bottom of reservoir) low engine coolant level switch
• (in air induction tubing) intake air temperature (iat) sensor
• (on catalytic
• (on intake manifold) manifold absolute pressure (map) sensor
• (right side of engine, near starter motor) crankshaft position sensor
• (right side of engine, near starter motor) knock sensor
• 7x ckp sens
• 7x ckp sens in
• A tan
• A12
• Air temp rtn
• Air temp sens
• B/u lp fuse 10a
• Braid
• Case ground
• Converter outlet)
• Coolant lvl
• Coolant temp
• Cyl 4 out
• Cylinder head)
• D pnk
• D2, d3 & d4
• Egr +5v
• Electronic variable orifice (evo) solenoid (dohc) (on power steer pump)
• Emiss fuse 10a
• Engine coolant temperature (ect) sensor (rear of
• Engine oil pressure (eop) switch (near starter)
• Evo lo
• Evo sol hi
• F12
• Ground
• Heated oxygen sensor 2
• Ho2s 2 hi
• Ho2s 2 lo
• Hot in on or start
• I/p chassis ground
• Iac sol a lo
• Iac sol b hi
• Iac sol b lo
• Idle air control (iac) valve (on throttle body assembly)
• Ign module
• Input speed sensor (left rear side of transaxle)
• Knock sens
• Left forward lamp ground
• Linear egr
• Linear egr in
• Map sens +5v
• Map sens in
• Map sens rtn
• Nca
• Nca a
• Nca b
• Oil chng reset
• Oil life reset switch
• Oil press sens
• P, n & d3
• P, r & d2
• Pnk
• Powertrain control module (pcm) (between battery & brake booster)
• R, n & d4
• Rear engine ground
• Shift sol 2
• Shift sol 4
• Tan
• Tcc sol out
• Throttle position (tp) sensor (on throttle assembly)
• Tp sens +5v
• Tp sens in
• Tp sens rtn
• Tr switch a
• Tr switch b
• Tr switch c
• Tr switch d
• Trans oil temp
• Transaxle range switch (on right side of transaxle)
• Ts sens hi
• Ts sens lo
• Underhood fuse block (left side of engine compt)
• Vss lo

1.9L VIN 8, Engine Performance Wiring Diagrams (2 of 3) for Saturn SL 2002

List of elements for 1.9L VIN 8, Engine Performance Wiring Diagrams (2 of 3) for Saturn SL 2002:

• (behind center of dash) i/p fuse block
• Eis fuse 10a
• Electronic ignition (ei) control module (left front side of transaxle housing)
• Emiss fuse 10a
• Evaporative emission (evap) purge solenoid (right side of engine, above starter motor)
• Exhaust gas recirculation (egr) valve (on side of cylinder head)
• Fuel level sensor
• Fuel pump fuse 10a
• Fuel pump motor
• Fuel pump relay
• Fuel pump/tank sensor unit
• Fuel tank pressure sensor
• Hot at all times
• Hot in on or start
• I/p batt fuse 30a
• I/p chassis ground (shock tower)
• I/p splice pack 1
• Pnk
• Pnk a
• Pressure control solenoid
• Probe hole
• Rear engine ground
• Rear ground splice pack
• Red
• Red e
• Red g
• Shift solenoid
• Side of transaxle)
• Spark plugs
• Tcc solenoid
• Transaxle fluid temperature (tft) sensor (left rear
• Transaxle solenoids
• Trs 2/tcc fuse 10a
• Trs 3/4 fuse 10a
• Trs lp fuse 10a
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (right side of transaxle)

1.9L VIN 8, Engine Performance Wiring Diagrams (3 of 3) for Saturn SL 2002

List of elements for 1.9L VIN 8, Engine Performance Wiring Diagrams (3 of 3) for Saturn SL 2002:

• A/c clutch
• A/c system
• A11
• Air pump
• Air pump (near right
• Air pump fuse 30a
• Air pump relay
• Air pump solenoid (left side of engine, above exhaust manifold)
• Air sol
• Battery
• Body control module (behind left side of dash)
• Bpp switch
• Can purge out
• Class 2 data
• Cool fan rly
• Cooling fans
• Cruise clutch
• Cruise control
• Cruise control module (attached to steering column)
• Cruise fuse 10a
• Cruise module
• Cruise res/acl
• Electronic brake/ traction control module (left rear eng compt)
• Emiss fuse 10a
• Evaporative emission (evap) vent solenoid (top of fuel filler neck tube)
• Front headlamp)
• Ftp sens +5v
• Ftp sens in
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel injectors
• Fuel lvl in
• Fuel lvl rtn
• Fuel pump
• Fuel vent out
• Generator
• Ground
• Ho2s 2 htr
• Hot at all times
• Hot in on
• Hot in on or start
• I/p fuse block (behind center of dash)
• Iac sol hi
• Ign 1 fuse 10a
• Ign module
• Ignition
• Inj fuse 10a
• Instrument cluster
• Linear egr out
• Linear egr pwr
• Nca
• O2s 1 sig
• Oil life
• Oxygen sensor 1 (left side of engine, on exhaust manifold)
• Pc sol
• Pcm 1 fuse 10a
• Pcm b fuse 10a
• Pnk
• Pnk a
• Powertrain control module (pcm) (between battery & brake booster)
• Rear engine ground
• Red
• Right forward lamp ground splice pack
• Service
• Service engine soon
• Shift sol 3
• Stoplamp switch (on brake pedal bracket)
• To exhaust manifold
• Trans oil temp
• Underhood fuse block (left side of engine compt)
• Upshift
• Vss hi in
• W/ abs
• W/o abs