ENGINE PERFORMANCE – Saturn Ion Red Line 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L

2.0L, Engine Performance Wiring Diagram (1 of 4) for Saturn Ion Red Line 2004

List of elements for 2.0L, Engine Performance Wiring Diagram (1 of 4) for Saturn Ion Red Line 2004:

• (at left rear of engine compt, attached to master cylinder)
• (at left side of engine compt) electronic brake control module
• (under rear of vehicle, behind fuel tank)
• +5v
• +5v ref
• A/c refrigerant pressure sensor (below generator)
• A/c system
• A10
• Acc
• Acc volt
• Accy
• App sens 1 sig
• App sens 2 sig
• Battery
• Body control module (bcm)
• Class 2 data
• Clu rly ctrl
• Clutch pedal position switch (on pedal bracket)
• Computer data lines system
• Cooling fans system
• Cpp sw sig
• Cruise control system
• Cruise sig
• Data class 2
• Ecm fuse 1 10a
• Ecm fuse 13 10a
• Evap sol ctrl
• Evaporative emission canister vent solenoid
• F pmp rly ctrl
• Fan rly ctrl
• Fuel pres sig
• Fuel tank pressure (ftp) sensor (inside fuel tank)
• G101 (behind left front headlamp)
• Hi rly ctrl
• Hot at all times
• Hot in run or start
• Iat2 sig
• Ign sw fuse 1 2a
• Ign1
• Ignition switch
• Instrument cluster
• Load ctrl
• Logic
• Low ref
• Main rly ctrl
• Malfunc- tion indicator lamp
• Mil ctrl
• Off
• Pnk
• Pnp clu st sw
• Powertrain control module (at rear of engine near coolant over- flow container)
• Red/pnk
• Refrig pres sig
• Rly coil ctrl
• Rly ctrl
• Run
• Run/ crank relay 28
• Run/crank fuse 38 30a
• Sens sig pri
• Serial data
• Start
• Starting system
• Stop lp sig
• Tan
• Tcc brk sw
• Underhood fuse block (at left rear side of engine compt)

2.0L, Engine Performance Wiring Diagram (2 of 4) for Saturn Ion Red Line 2004

List of elements for 2.0L, Engine Performance Wiring Diagram (2 of 4) for Saturn Ion Red Line 2004:

• (at break- out to map sensor)
• (below left side of dash) accelerator pedal position sensor
• Boost fuse 14 10a
• Ecm/etc fuse 9 15a
• Emiss fuse 10 15a
• Evaporative emission canister purge solenoid (at left side of engine compt)
• Fuel injectors
• G105 (lower left rear of engine)
• Hot at all times
• Hot in run or start
• Ign fuse 11 10a
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Injector fuse 16 10a
• Logic
• Manifold absolute pressure sensor (on top right front of engine, above supercharger)
• Nca
• Pnk
• Power- train relay 28
• S139
• Spark plug
• Tan
• Underhood fuse block (at left rear side of engine compt)

2.0L, Engine Performance Wiring Diagram (3 of 4) for Saturn Ion Red Line 2004

List of elements for 2.0L, Engine Performance Wiring Diagram (3 of 4) for Saturn Ion Red Line 2004:

• (at left rear of engine compt, attached to master cylinder)
• (on transaxle) vehicle speed sensor
• (pins 1-14 not used)
• (pins 16-21 not used)
• (pins 23-30 not used)
• (pins 32-35 not used)
• (pins 38-43 not used)
• (pins 46-56 not used)
• (top front center of engine)
• +5v
• Ba1
• Ba2
• Ba3
• Ba4
• Baro sig
• Barometric pressure sensor (top left side of engine)
• Bcm fuse 15a
• Body control module (bcm)
• Clutch/ brake fuse 7.5a
• Engine oil pressure switch (lower left side of engine)
• Evap sol ctrl
• Fuel pump
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump fuse 15a
• Fuel pump relay
• Fuel sender
• G105 (lower left rear of engine)
• G301 (under driver's seat)
• Hot at all times
• Hot in acc or run
• Iat
• Low ref
• Lower stop lamp switch (below left side of dash, attached to brake pedal bracket)
• Maf
• Mass air flow/ inlet air temperature sensor (left side of engine, above air cleaner)
• Nca
• Oil pres sw sig
• Pnk
• Powertrain control module (at rear of engine near coolant over- flow container)
• S351
• Stop fuse 15a
• Supercharger bypass valve solenoid
• Tan
• Upper stop lamp switch (below left side of dash, attached to brake pedal bracket)
• Vss hi
• Vss low

2.0L, Engine Performance Wiring Diagram (4 of 4) for Saturn Ion Red Line 2004

List of elements for 2.0L, Engine Performance Wiring Diagram (4 of 4) for Saturn Ion Red Line 2004:

• (at rear of engine compt, in exhaust manifold) heated oxygen sensor 1
• (in exhaust near catalytic converter) heated oxygen sensor 2
• (top left of engine) camshaft position sensor
• (top left of engine, below supercharger) throttle actuator control module
• +5v
• A tan
• Charging system
• Ckp 1 sig
• Cmp sig
• Crankshaft position sensor (on lower rear of engine, below oil filter)
• Ect sig
• Engine coolant temperature sensor (top of engine, near right front corner of camshaft cover)
• G105 (lower left rear of engine)
• Gen sig
• Gnd
• Ho2s hi ctrl
• Ho2s hi sig
• Ho2s low sig
• Iat sens sig
• Ic 1 sig
• Ic 2 sig
• Ic 3 sig
• Ic4 sig
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Knock sensor (front of engine, in front of dip stick)
• Ks1 sig
• Low ref
• Maf sig
• Map sig
• Nca
• Powertrain control module (at rear of engine near coolant over- flow container)
• Red
• Scip sig
• Sol ctrl
• Supercharge inlet pressure sensor (top left of supercharger)
• Tac ctrl 1
• Tac ctrl 2
• Tan
• Tps1 sig
• Tps2 sig