Saturn ION I (2003-2007) class 2 serial data Wiring diagrams

61 50 2761 410 LOW REF ECT SENSOR SIG BLK WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) CLASS 2 (BCM) CLASS 2 (BCM) IGN IGN CLASS 2 SERIAL DATA COOLANT LEVEL SWITCH (ATTACHED TO OVER FLOW CONTAINER) COOLING FAN (AT FRONT OF ENGINE COMPARTMENT, ATTACHED TO RADIATOR) COOLING FAN FUSE 45 COOLING FAN RELAY 30 COOLING FAN RELAY CONTROL DK GRN WIRE EMISS FUSE 10 ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE HOT AT ALL TIMES HOT W/ POWERTRAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW COOLANT LEVEL IND SIG LT BLU WIRE MESSAGE CENTER PNK WIRE PPL PPL CLASS 2 SERIAL DATA UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

2.2L 2.0L ABS 1 FUSE 22 ABS FUSE 40 ABS INDICATOR ABS-2 FUSE 8 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRAKE PRESSURE MODULATOR VALVE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ECBM) (AT LEFT SIDE OF ENGINE COMPARTMENT) ENGINE CONTROL MODULE (ECM) (2.2L) POWERTRAIN CONTROL MODULE (2.0L) ENGINE CONTROLS SYSTEM GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN TIMING CONTROL INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL LAMP SUPPLY LEFT FRONT WHEEL SPEED SENSOR (PART OF LEFT FRONT HUB, BEARING ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (PART OF LEFT REAR HUB, BEARING ASSEMBLY) LF INLET SOLENOID VALVE LF OUTLET SOLENOID VALVE LOGIC LR INLET SOLENOID VALVE LR OUTLET SOLENOID VALVE LT BLU WIRE MESSAGE CENTER ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RF INLET SOLENOID VALVE RF OUTLET SOLENOID VALVE RIGHT FRONT WHEEL SPEED SENSOR (PART OF RIGHT FRONT HUB, BEARING ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (PART OF RIGHT REAR HUB, BEARING ASSEMBLY) RR INLET SOLENOID VALVE RR OUTLET SOLENOID VALVE STOP FUSE STOP SW INPUT RR WHEEL SEN SIG IGN 1 LR WHEEL SEN REF TAN WIRE TRACTION CONTROL INDICATOR CONTROL TRACTION CONTROL SWITCH (W/ TRACTION CONTROL) (2.2L) TRACTION CONTROL SWITCH SIGNAL TRACTION OFF INDICATOR UNDERHOOD FUSE BLOCK (AT LEFT REAR SIDE OF ENGINE COMPARTMENT) VIO WIRE WHT WIRE YEL WIRE

1040 1440 B(+) B(+) 1146 140 B(+) B(+) 339 343 PNK IGN 1 VOLTAGE ACC VOLTAGE WIRE 40 143 143 B(+) ACC VOLTAGE ACC VOLTAGE 52 41 141 BLOWER MOTOR PWR IGN 3 VOLTAGE IGN 3 VOLTAGE 52 52 1139 BLOWER MOTOR PWR BLOWER MOTOR PWR IGN 1 VOLTAGE AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM B(+) B+ B- BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM CRUISE CONTROL SYSTEM, ELECTRONIC POWER STEERING SYSTEMS CRUISE CONTROL SYSTEM, SOUND SYSTEMS CRUISE CONTROL, ENGINE CONTROLS SYSTEMS DEFOGGER SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM DK BLU WIRE DK GRN WIRE DOOR LK ACT UNLK CTRL LOW BEAM SIG DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM GROUND (SEDAN) PASS DR JAMB SW SIG PASS DR JAMB SW SIG WIPER MTR PARK SW SIG GRY WIRE INSTRUMENT CLUSTER SYSTEM LF DR LK ACT UNLK CTRL LF DR LK ACT UNLK CTRL TRUNK AJAR IND CTRL LO COOLANT LEV IND SIG GROUND (SEDAN) LT BLU WIRE MIRRORS SYSTEM ORG/ WIRE PNK IGN 1 VOLTAGE WIRE PNK PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM (IGNITION SWITCH) INSTRUMENT CLUSTER SYSTEM REAR DEFOG RLY CTRL HORN RLY CTRL FOG LP RLY CTRL RED WIRE SOUND SYSTEMS SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM VIO WIRE WARNING SYSTEM WHT WIRE WIPER SW SIG 2 WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

2.2L AUTOMATIC TRANSMISSION BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (AT LOWER CENTER OF DASH) CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (UNDER LOWER LEFT SIDE OF DASH) DATA LINK CONNECTOR (DLC) BREAKOUT) DK GRN WIRE EBCM CLASS 2 SERIAL DATA EPS CLASS 2 SERIAL DATA FROM DATA LINK CONNECTOR (DLC) BREAKOUT) HIGH SPEED GM LAN SERIAL DATA BUS + HIGH SPEED GM LAN SERIAL DATA BUS + HIGH SPEED GM LAN SERIAL DATA BUS - HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LIGHTER FUSE LOGIC LOGIC POWER STEERING CONTROL MODULE (PSCM) LOGIC RADIO 2.0L 2.2L LOW SPEED GM LAN SERIAL DATA MANUAL TRANSMISSION MODULE (PCM) ORG/ WIRE PPL SDM CLASS 2 SERIAL DATA STEERING COLUMN ASSEMBLY TAN WIRE TAN/WHT WIRE VCIM CLASS 2 SERIAL DATA WHT/ BLK WIRE

AIR BAG FUSE AIR BAG INDICATOR ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (AT LOWER CENTER OF DASH) BRN WIRE CASE GROUND CLASS 2 SERIAL DATA COUPE COUPE, SEDAN DATA LINK CONNECTOR (DLC) (UNDER LOWER LEFT SIDE OF DASH) DK GRN WIRE GRY WIRE HIGH CONTROL LOW CONTROL LOW CONTROL HIGH CONTROL PNK WIRE HOT IN RUN OR START INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INSTRUMENT PANEL CLUSTER LEFT INFLATABLE RESTRAINT SIDE IMPACT SENSOR (IN LOWER CORNER OF DRIVER'S DOOR) LEFT SEAT BELT SWITCH (IN LEFT SEAT BELT BUCKLE LOGIC CLASS 2 SERIAL DATA LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER STEERING CONTROL MODULE RED/WHT WIRE SEAT BELT SWITCH SEDAN SHORTING BAR SOLID STATE STAGE 1 STAGE 2 STEERING COLUMN ASSEMBLY TAN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE