Cadillac ATS I (2012-2014) blk/brn Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 BRAKE VACUUM SENS LOW REF 2500 2501 COMPUTER DATA LINES SYSTEM 5 V REF A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS LO REF SENS 2 LOW REF A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LOWER RIGHT SIDE OF THE A/C CONDENSER) A/T ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM APP LO REF APP SENS SIG (2) BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL BRACKET) BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE IND CTRL 5 VOLT REF SENS SIG CLUTCH PEDAL POSITION SENSOR (ON CLUTCH MASTER CYLINDER PUSH ROD) CNSTR VENT COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM ECM BATT FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR 2 (2.5L) EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE (RIGHT REAR FRAME NEAR FUEL TANK) FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FUEL PUMP PRIMARY RELAY CONTROL FUEL TANK PRESSURE SENS SIG 5-V REF FUSE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY FUSE BLOCK (LEFT SIDE OF FUEL PUMP FSCM FUSE LOW REF LUGGAGE COMPT) M/T POWERTRAIN MAIN RLY FUSED SPLY (2) STARTER ENABLE RLY CTRL POWERTRAIN RLY COIL CTRL POWERTRAIN MAIN RLY FUSED SPLY (1) PRE-THROTTLE AIR PRESS, TEMP SIG 5-V REF APP SENS SIG (1) RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RUN/CRANK IGN 1 VOLT BATT POS VOLT APP LOW REF STARTING/CHARGING SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

AOS DISPLY/ MIL IGN FUSE AUXILIARY UNDERHOOD FUSE BLOCK BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE ECM FUSE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (IN THERMOSTAT HOUSING) ENGINE OIL PRESSURE SENSOR (ON ENGINE OIL COOLER) FSCM IGN FUSE GRY/BLU WIRE HIGH PRESSURE FUEL PUMP (UPPER RIGHT SIDE OF ENGINE) HOT W/ IGNITION MAIN RELAY ENERGIZED HTD STR WHL FUSE IGN COIL INJ FUSE IGN COIL INJ/ SPARE FUSE LEFT FRONT ENGINE MOUNT ACTUATOR (LOWER FRONT NEAR CORE SUPPORT) POWER DISTRIBUTION SYSTEM RED WIRE RIGHT FRONT ENGINE MOUNT ACTUATOR (LOWER FRONT NEAR CORE SUPPORT) SNSR EMIS FUSE TO SECONDARY AIR INJECTION PUMP RELAY (DIAGRAM 2 OF 7) UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

ACTUATOR HI CTRL ACTUATOR LOW CTRL ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CAM EXHT SOL (1) CAM INTKE SOL (1) CAM POS EXHT SPLY CAM POS INTKE SENS CAM POS INTKE SPLY CHK ENG IND CTRL COMPUTER DATA LINES SYSTEM CRNK SENS SIG DATA DFI HI VOL SPLY 1 DFI HI VOL SPLY 2 DFI HI VOL SPLY 3 DFI HI VOL SPLY 4 ECT SENS SIG EMISSION PURGE SOLENOID VALVE BREAKOUT) ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOOD STATUS SIG IGN 1 VOLT IGN CTRL (1) IGN CTRL (2) IGN CTRL (3) IGN CTRL (4) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT CLUSTER LOGIC LOW REF LOW REF BANK 1 MALFUNCTION IND LAMP NCA WIRE NEU GEAR SENS RTN NEU GEAR SENS SPLY NEUTRAL POSITION SENSOR (M/T) (LEFT REAR OF TRANSMISSION) OIL PRESS SENS SIG RED WIRE SENS LO REF SERIAL SPARK PLUG SPLY VOLT VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION SENSOR (LOWER LEFT REAR OF THE ENGINE) DFI HI VOL SPLY 1 DFI HI VOL SPLY 2 DFI HI VOL SPLY 3 DFI HI VOL SPLY 4 ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 GRN WIRE GRN/GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES BATTERY FUSE BLOCK (ON BATTERY) FUSE INTAKE CAMSHAFT POSITION SENSOR (FRONT OF CYLINDER HEAD) LOW REF RED WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE WHT/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BANK 1 SENS 1 BANK 1 SENS 2 BANK 1 SNSR (1) BANK 1 SNSR (2) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CRNK POS SENS SIG BANK 1 SENS (1) BANK 1 SENS (2) MAP SENS SIG CTRL BANK (1) ENGINE COMPT) ENGINE CONTROL MODULE (RIGHT FRONT OF FUEL RAIL PRESS SENS SIG FUEL RAIL PRESSURE SENSOR (ON ENGINE FUEL RAIL) GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE IAT SENS LOW REF TAC SENS SIG WAST GAT SOL CTRL ENG COOL CTRL GND KNOCK SENS SIG (1) KNOCK SENS SIG (2) LOGIC MANIFOLD ABSOLUTE PRESSURE SENSOR (ON INTAKE MANIFOLD NEAR THROTTLE BODY) MAP LOW REF HI REF BANK 1 NCA WIRE NEU GEAR SENS SIG OUT SPD SIG SECONDARY AIR INJECTION SOLENOID VALVE (2.5L) (REAR OF EXHAUST MANIFOLD) SENS SIG BANK (1) SENS SIG TAC CLOSE LOW REF SOUND SYSTEMS STARTING/CHARGING SYSTEM TAC OPEN THROTTLE BODY (FRONT OF ENGINE) TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRY WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

"CHECK ENGINE" IND CTRL 5291 6386 STARTING/ CHARGING SYSTEM A/C CLUTCH RLY CTRL A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LOWER RIGHT SIDE OF THE A/C CONDENSER) AIR 459 1274 1162 CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM APP SENS SIG (2) APP SENS SIG 1 ASSEMBLY (TOP OF FUEL TANK) BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POS SEN SIG BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SPEED SIG COOLING FANS SYSTEM ECM AERO IGN SHUTTER FUSE FUSE ENGINE CONTROL MODULE (ECM) (RIGHT FRONT OF ENGINE COMPT) EVAP CANISTER VENT SOL CTRL POWERTRAIN MAIN RLY (3) SPLY LOW REF FUEL PUMP FUEL PUMP RLY CTRL FUEL PUMP/ LEVEL SENSOR FUEL TANK PRESSURE SENS SIG 5 VOLT REF FUEL TEMP SIG GMLAN SERIAL DATA BUS + GMLAN SERIAL DATA BUS - GRN VIO/ WIRE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/ VIO WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN VOLT 1 BATT POS VOLT LOW REF (2) LAMP (RIGHT) CONNECTOR BREAKOUT) LOW REF LOW REF (1) NCA WIRE POWERTRAIN MAIN RLY (2) SPLY STARTER ENABLE RLY CTRL POWERTRAIN RLY COIL CTRL POWERTRAIN MAIN RLY (1) SPLY PRIMARY FUEL LEVEL SENS SIG SENS LOW REF SECONDARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR PUMP RLY COIL CTRL SOLENOID RLY COIL CTRL CRUISE/ETC/TCC BRAKE SIG RED/BRN WIRE RED/GRN WIRE SECONDARY FUEL LEVEL SENSOR (IN FUEL TANK) SENS 2 SPLY VOLT SENS 2 GND SENS SIG 2 PRESSURE SENS SIG UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WAKE-UP SER DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AIR PUMP FUSE AREO AUXILIARY COOLANT PUMP RELAY AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) BATT POS VOL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY FSCM IGN FUSE FUEL PRESSURE SENSOR (NEAR FUEL TANK) FUEL PUMP CONTROL MODULE (FORWARD OF RIGHT REAR LAMP ASSEMBLY) FUEL PUMP ECM/ CNSTR FSCM COMPT) BATT VENT FUSE FUSE FUSE FUEL PUMP LOW REF FUEL SHLD EXTSN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 1 IGN COIL INJ/SPARE FUSE IGN SPARE ECM COIL INJ PT FUSE FUSE FUSE LOW REF NCA WIRE ODD FUSE POWER DISTRIBUTION SYSTEM PRESS SENS SIG PUMP RLY CTRL PUMP SUPY VOL RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE SAVER MODULE CONNECTOR) SECONDARY AIR INJECTION PUMP RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY SER DATA BUS - SER DATA COMM SHUTTER CTRL SNSR EMIS FUSE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

ACTUATOR HI CTRL ACTUATOR LOW CTRL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/ BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (RIGHT FRONT OF ENGINE COMPT) EXHAUST SENS 1 SIG EXHAUST SENS 2 SIG EXHAUST SOLEND (1) EXHAUST SOLEND (2) EXHAUST SPLY (1) FROM IGNITION COIL 5 ON MAIN HARNESS) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/YEL WIRE IGN 1 CTRL IGN 2 CTRL IGN 3 CTRL IGN 4 CTRL IGN 5 CTRL IGN 6 CTRL INTAKE SENS 1 SIG INTAKE SENS 2 SIG INTAKE SENS SPLY 1 INTAKE SENS SPLY 2 INTAKE SOLEND (1) INTAKE SOLEND (2) LOW REF LOW REF (1) LOW REF BANK 1 LOW REF BANK 2 NCA WIRE OIL PRESS SENS SIG PRESS SENS LOW REF SPARK PLUG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (RIGHT FRONT OF ENGINE COMPT) ENGINE OIL PRESSURE SENSOR (IN OIL FILTER HOUSING) EXHAUST CAMSHAFT POSITION SENSOR (BANK 1) (ON RIGHT CYLINDER HEAD) EXHAUST SPLY (2) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE INTAKE CAMSHAFT POSITION SENSOR (BANK 2) (ON LEFT CYLINDER HEAD) LOW REF LOW REF 2 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE SECONDARY AIR INJECTION (AIR) SOLENOID VALVE (BANK 1) (ON RIGHT CYLINDER HEAD) SECONDARY AIR INJECTION (AIR) SOLENOID VALVE (BANK 2) (ON LEFT CYLINDER HEAD) VEHICLE STABILITY CONTROL SWITCH VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

5 VOLT REF BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CRANK POS SENS SIG ENGINE CONTROL MODULE (ECM) (RIGHT FRONT OF ENGINE COMPT) FUEL RAIL PRESSURE SENSOR (ON ENGINE FUEL RAIL) GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/RED WIRE GRY/WHT WIRE HI BANK 1 SENS (1) HI BANK 2 SENS (1) HI BANK 1 SENS (2) HI BANK 2 SENS (2) HUMIDITY SENS SIG ACTUATOR CTRL CLOSE VLV 1 LOW REF 5-VOLT REF FRP SENS SIG KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENSOR 1 (RIGHT SIDE OF ENGINE BLOCK) KNOCK SENSOR 2 (LOWER LEFT SIDE OF ENGINE BLOCK) LOGIC LOW BANK 1 SENS (1) LOW BANK 2 SENS (1) LOW BANK 1 SENS (2) LOW BANK 2 SENS (2) LOW REF LOW REF SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (IN ENGINE COMPT) MAP SENS SIG 5 VOLT REF MULTI-FUNCTION INTAKE AIR SENSOR (ON AIR CLEANER ASSEMBLY) NAVIGATION, SOUND SYSTEMS 6091 3113 3122 432 2704 OIL LEVEL SW SIG STARTING/ CHARGING STARTING/ CHARGING SYSTEM SYSTEM SYSTEM 1174 3212 3223 469 TAN WIRE THROTTLE ACTU CTRL OPEN THROTTLE BODY (FRONT OF ENGINE) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE