Cadillac CTS II (2007-2014) logic Wiring diagrams

3.0L, 3.6L 6.2L ACC VOLT ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (ISS) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED SENSOR (OSS) B+ GND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE ENABLE SWITCH AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH FUSE GMLAN GMLAN SERIAL DATA BUS + GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) TCM BATT HOT W/ IGN 1 RELAY ENERGIZED IGN IGN LOCK SIG IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) INSTRUMENT CLUSTER ISS/OSS ISS CTRL SIG LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH (IF EQUIPPED) LOGIC LOW REF OFF ORG/BLK WIRE OSS SENS P/N SIG PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL 9 3 PPL CRUISE CONTROL, SOUND SYSTEMS PPL REMOTE RADIO CTRL SPLY VOL PPL TAP UP/TAP DOWN SW SIG PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED WIRE RED/WHT WIRE REMOTE SHIFT SELECTOR SIG RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH RUN WIRE SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 SS 1 SS 2 SYSTEM TAN WIRE TAN/BLK WIRE TAP UP/ DOWN SWITCH TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TRANS.) TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION SHIFT LEVER TRNS TRNS GND RANGE RANGE SIG C SIG P TRNS TRNS RANGE RANGE SIG A SIG B W/O REMOTE START WAKEUP SERIAL DATA BUS (+) DATA BUS (-) IGN 1 VOLT DATA BUS (-) DATA BUS (+) WHT WIRE YEL WIRE

29 7 55 53 GEN DUTY CYCLE SIG GEN TURN ON SIG 53 33 39 40 SERIAL DATA BUS+ SERIAL DATA BUS- 6.2L 3.0L&3.6L 8 9 SERIAL DATA BUS+ SERIAL DATA BUS- BATTERY BATTERY CURRENT SENSOR (RIGHT RARE OF LUGGAGE COMPT) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CURRENT SENS LOW REF CURRENT SENS CURRENT SENS SIG DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) GENERATOR GROUND GRY WIRE INLINE FUSE GENERATOR INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA PNK SPLY VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/WHT WIRE RVC/SNSR FUSE STARTER MOTOR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WHT WIRE WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ON/OFF SW SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 MTR OPEN CTRL MTR CLOSE CTRL 1 2 3 4 5 6 MTR OPEN CTRL MTR CLOSE CTRL B+ B+ 1 7 3 SW SIG LAMPS CTRL GROUND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLOSE SIG AJAR SW SIG AJAR SW SIG AJAR SW SIG SER DATA OBJECT SENS SIG COMPUTER DATA LINES SYSTEM DISPLY FUSE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY EXTERIOR LIFTGATE CONTROL SWITCH GROUND GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES LIFTGATE MODULE (LGM) INLINE FUSE (NEAR REAR FUSE BLOCK) INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIFTGATE CONTROL SWITCH LAMP CTRL LEFT LIFTGATE OBJECT SENSOR (LEFT SIDE OF LIFTGATE) LIFTGATE CLOSE SWITCH LIFTGATE LATCH ASSEMBLY LIFTGATE MODULE (LGM) (RIGHT SIDE OF LIFTGATE) LIFTGATE MOTOR ASSEMBLY (LEFT REAR OF LUGGAGE COMPT) LOGIC LOW REF LT BLU WIRE MAX 3/4 MSM FUSE NCA WIRE OFF PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE RIGHT LIFTGATE OBJECT SENSOR SER DATA SW OPEN SIG UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM COUPE DIFF PUMP FUSE DIFFERENTIAL COOLER PUMP DIFFERENTIAL COOLER PUMP RELAY 1 DIFFERENTIAL COOLER PUMP RELAY 2 (COUPE) DIFFERENTIAL TEMPERATURE SWITCH DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE GMLAN SER DATA HOT AT ALL TIMES HOT W/ IGN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC OIL TEMP SENS SIG ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE REAR DIFFERENTIAL TEMPERATURE SENSOR REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT)

AIR BAG FUSE AIR BAG IGN FUSE AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BATT POSITIVE VOLT BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA SERIAL DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT IND GMLAN LO SPD GROUND GRY WIRE HOT AT ALL TIMES HOT IN ON OR START I/P MOD HI CTRL STAGE 1 I/P MOD HI CTRL STAGE 2 I/P MOD LO CTRL STAGE 1 I/P MOD LO CTRL STAGE 2 IGN VOLT INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) INFLATABLE RESTRAINT STEERING WHEEL MODULE (ON STEERING WHEEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) INSTRUMENT PANEL CLUSTER LEFT REAR INFLATABLE RESTRAINT SIDE IMPACT SENSOR (LEFT REAR DOOR) LO SPD GM LAN SERIAL DATA LO SPD GMLAN SERIAL DATA LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER SEAT BELT IND PNK POWER DISTRIBUTION SYSTEM WIRE PNK WIRE PPL RADIO/HVAC CONTROL REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) RED/WHT WIRE SEDAN/WAGON SERIAL DATA SHORTING BAR STEER WHL HI CTRL STAGE 2 STEER WHL LO CTRL STAGE 2 TAN WIRE TAN/ORG WIRE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

12 8 HDLMPS ON PARK LAMP ON SIG 13 9 RF DOOR AJAR SERIAL DATA 14 15 RR DOOR AJAR SW LR DOOR AJAR SW 8 9 SERIAL DATA BUS+ SERIAL DATA BUS- 9 13 SERIAL DATA LF DOOR AJAR 9 2 4 GROUND BATT POSITIVE VOLT BATT POSITIVE VOLT AUDIO AMPLIFIER (W/ SURROUND AMPLIFIER) (SEDON: REAR OF LEFT REAR STRUT TOWER) BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/DK BLU WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUPE CRANK VOLT DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH (DRIVER'S DOOR) DRIVER DOOR LOCK/WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT IND DRIVER SEAT BELT SWITCH DRIVER RADIO/HAVC CONTROL SEAT BELT BUCKLE GRY/BLK WIRE HDLMPS OFF HEAD HOT AT ALL TIMES IGNITION SWITCH IND CTRL INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER CENTER CONSOLE) INSTRUMENT PANEL CLUSTER (IPC) KEY IN IGN SW SIG KEY-IN IGNITION SWITCH LEFT REAR DOOR LATCH (SEDON, WAGON) (LEFT REAR DOOR) LO SPD GM LAN SERIAL DATA LO SPD GMLAN SERIAL DATA LOGIC LOW TIRE PRESSURE IND LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE OFF ORG/ WIRE ORG/BLK WIRE PARK AUTO PARK AUTO OFF HEAD PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PARK IND PASS SEAT BELT IND PASSENGER DOOR LATCH (PASSENGER'S DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE RADIO RED/WHT WIRE RIGHT REAR DOOR LATCH (SEDON, WAGON) (RIGHT REAR DOOR) RUN WIRE SEDAN/WAGON SWITCH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ KEYLESS ENGINE W/O KEYLESS ENGINE WHT WIRE

15 7 WINDSHIELD RELAY CTRL WINDSHIELD WIPER MOTOR 3.0L, 3.6L 6.2L 7 20 21 HEADLAMP RELAY CTRL WINDSHIELD SW SIG 2 FR WIPER SW HIGH SIG BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, CENTER (DIC) DISPLAY COMPUTER DATA LINES SYSTEM DK GRN WIRE DK PPL DRIVER INFORMATION DRL WSW FUSE GRN WIRE GRY WIRE HDM WASH FUSE HEAD LAMP WASH RELAY HEADLAMP WASHER FLUID PUMP (IF EQUIPPED) (IN WASHER RESERVOIR) HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW IND CTRL LOW SPD GMLAN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASHER SWITCH WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER MOTOR (LEFT SIDE OF FIREWALL) WINDSHIELD WIPER/WASHER SWITCH WPR FUSE WPR HI RELAY WPR RELAY WSW PUMP RELAY YEL WIRE

15 7 WINDSHIELD RELAY CTRL WINDSHIELD WIPER MOTOR 3.0L, 3.6L 6.2L 7 20 21 HEADLAMP RELAY CTRL WINDSHIELD SW SIG 2 FR WIPER SW HIGH SIG BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, CENTER (DIC) DISPLAY COMPUTER DATA LINES SYSTEM DK GRN WIRE DK PPL DRIVER INFORMATION DRL WSW FUSE GRN WIRE GRY WIRE HDM WASH FUSE HEAD LAMP WASH RELAY HEADLAMP WASHER FLUID PUMP (IF EQUIPPED) (IN WASHER RESERVOIR) HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW IND CTRL LOW SPD GMLAN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PPL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASHER SWITCH WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WIPER MOTOR (LEFT SIDE OF FIREWALL) WINDSHIELD WIPER/WASHER SWITCH WPR FUSE WPR HI RELAY WPR RELAY WSW PUMP RELAY YEL WIRE

BLK WIRE BLU WIRE DK BLU WIRE DK DK DK GRN WIRE GRN WIRE GRY WIRE HDM WASH FUSE HEAD LAMP WASH RELAY HEADLAMP WASHER FLUID PUMP (IF EQUIPPED) (IN WASHER RESERVOIR) HOT AT ALL TIMES LOGIC LT GRN WIRE ORG/ WIRE PPL REAR FUSE BLOCK (RIGHT REAR OF LUGGAGE COMPT) REAR WINDOW WASHER FLUID PUMP RELAY REAR WINDOW WIPER MOTOR (CENTER OF LIFTGATE) REAR WIPER FUSE RED WIRE RED/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WASHER PUMP FUSE WHT WIRE WINDSHIELD WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP RELAY YEL WIRE