Cadillac SRX II (2009-2012) data bus - Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 1-2/3-4 SHIFT SOLENOID VALVE AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) (LEFT FRONT ENGINE COMPT) GEAR SHIFT POSITION SENSOR GMLAN GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT W/ IGNITION RUN RELAY ENERGIZED TCM/ RUN/ CRNK FUSE INSTRUMENT CLUSTER LINE PRESSURE CONTROL SOLENOID VALVE LOGIC LOGIC DISPLAY NCA WIRE ORG/BLK WIRE P/N SIG PARK/NEUTRAL SIG DATA BUS (-) DATA BUS (+) DATA BUS (+) GND PNK IGN VOL WAKE-UP SIG WIRE PNK WIRE PPL PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAP UP/TAP DOWN SW SIG PPL TCM BATT FUSE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANS ENABLE SWITCH TRANSMISSION CONTROL MODULE TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT)

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS (-) IGN VOL DATA BUS (-) WAKE-UP SIG DATA BUS - DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) (LEFT FRONT ENGINE COMPT) GMLAN GMLAN SERIAL DATA BUS + GND DATA BUS (+) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION RUN RELAY ENERGIZED IGN INSTRUMENT CLUSTER ISS ISS LO SIG HI SIG LOGIC DISPLAY LOW REF ORG/BLK WIRE OSS + OSS LO SIG HI SIG P/N P/N SIG PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK WIRE PPL 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 SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 SS 1 SS 2 TAN WIRE TAN/BLK WIRE TAP UP/TAP DOWN SW SIG PPL TCC SOLENOID TCM BATT FUSE TCM RUN CRNK FUSE TFP 4 TFP 3 TFP 1 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL (PC) SOLENOID VALVE TRANS ENABLE SWITCH TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR (ISS) TRANSMISSION INTERNAL MODE SWITCH (IMS) TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR (OSS) TRANSMISSION SHIFT LEVER TRNS LOW REF RANGE SIG P TRNS TRNS TRNS RANGE RANGE RANGE SIG C SIG A SIG B UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT) WHT WIRE YEL WIRE

BAT POS VOLT BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN 1 FUSE COOLING FAN 2 FUSE COOLING FAN DIODE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN LOW SPEED RESISTOR (FAN SHROUD) COOLING FAN MEDIUM SPEED 1 RELAY COOLING FAN MEDIUM SPEED RESISTOR (FAN SHROUD) COOLING FAN MOTOR COOLING FAN SPEED CONTROL 2 RELAY COOLING FAN SPEED CONTROL RELAY DATA BUS - DK BLU WIRE DK GRN WIRE ECM_BATT FUSE ENGINE COMPT) ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR LEFT CYLINDER HEAD) FAN RLY CTRL GROUND GRY WIRE HOT AT ALL TIMES LEFT COOLING FAN DIODE LOW REF LT BLU WIRE POWERTRAIN RELAY RED/WHT WIRE RIGHT COOLING FAN DIODE SENS SIG TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT FRONT YEL WIRE

2.8L 3.0L A/C COMPRESSOR CLUTCH (2.8L: A/C COMPRESSOR) AFTERBOIL PUMP FUSE AUXILIARY COOLANT PUMP (LEFT SIDE ENGINE) BATTERY FUSE BLK WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CONTROL MODULE (2.8L) DATA BUS - DIC DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY INSTRUMENT CLUSTER ECT SENS SIG ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) FAN RLY CTRL FUSE 4 FUSE 5 BLOCK GROUND GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FRT BLWR FUSE HOT AT ALL TIMES INSTRUMENT PANEL HVAC FUSE FUSE BLOCK (CENTER CONSOLE) IPC FUSE LO REF LOGIC LOW REF NCA WIRE ORG/BLK WIRE PNK PPL WIRE PNK WIRE POSITIVE POSITIVE VOLT POWER- TRAIN RELAY PPL PRESSURE RED WIRE RED/BLK WIRE RED/WHT WIRE RLY CTRL SENS SIG SUPPLY VOLT SW SIG TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT FRONT ENGINE COMPT) VOLT YEL WIRE

2 3 PPL 2.8L 24 25 DATA BUS (-) DATA BUS (+) 24 8 44 82 LOW REF ECT SENS SIG 27 26 26 9 SECONDARY SENS LOW REF 2761 410 (OR 476) 3.0L 40 39 55 42 DATA BUS - DATA BUS + 5 - VOLT REF PARK BRK SW SPLY VOLT 7 1 PPL 9 15 PPL PPL 9 23 OIL PRESS SW LOW REF AJAR SW RR DOOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON MASTER BRAKE CYLINDER RESERVOIR) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN SWITCH ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR ENGINE COMPT) ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) FUEL LEVEL SENSOR FUEL PRESSURE SENSOR (CALIFORNIA FEDERAL EMISSION SYSTEM) (FUEL SUPPLY PIPE) FUEL PUMP, LEVEL SENSOR ASSEMBLY (RIGHT SIDE GND OIL PRESS SENS GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEVEL SENS BRAKE FLUID LIFTGATE AZAR SW LIFTGATE LATCH ASSEMBLY (W/O BODY EQUIPMENT) LOCAL NETWORK 3 LOCAL NETWORK 4 LR DOOR AJAR SW LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MENU SWITCH NETWORK OF FUEL TANK) PARK BRAKE CONTROL SWITCH PARK BRK SW APPLY SIG PARK BRK SW SIG PARKING BRAKE CONTROL MODULE PNK WIRE PNK/BLK WIRE PPL PPL PPL PPL PPL 10 16 PPL PRIMARY SENS RIGHT QUARTER PANEL RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SECONDARY FUEL LEVEL SENSOR (UNDER VEHICLE, IN LEFT SIDE OF FUEL TANK) SET/CLR SWITCH TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UP SWITCH YEL WIRE

BATT POS VOLT BLK/WHT WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA CELLULAR TELEPHONE VOICE SIGNAL + COAX COMPUTER DATA LINES SYSTEM DATA BUS - DK BLU WIRE DRAIN WIRE HIGH SPEED GMLAN SERIAL DATA BUS + HOT AT ALL TIMES ONSTAR FUSE INSTRUMENT PANEL FUSE BLOCK (CENTER CONSOLE) LT BLU/BLK WIRE MOBILE TELEPHONE CONTROL MODULE NAVIGATION ANTENNA SIGNAL SPLITTER NCA WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (IF EQUIPPED) W/ ONSTAR W/O ONSTAR

5841 (OR 3378) AMPLIFIER CTRL AUDIO COMMON SIG AUX DETECTION SIG BATT POS VOLT BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER STACK SIG CGI - COMPUTER DATA LINES SYSTEM COMPUTER VIDEO DATA SYSTEM LINES CIRCUIT SYSTEM CTR SIG + DATA BUS - DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE LEFT AUX SIG (2) LF AUD SIG - LR AUD SIG+ LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MICROPHONE SIG MOBILE TELEPHONE CONTROL MODULE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE RADIO REAR AUDIO CONTROL MODULE (IF EQUIPPED) RED/WHT WIRE REMOTE ENABLE RF AUD SIG + RIGHT AUX SIG (2) RR AUD SIG+ RSA AUDIO SIG RSA LEFT SIG RSA RIGHT SIG SERIAL DATA SERIAL DATA BUS- SIG STACK RESET SIG SUBWOOFER SPK HI SUBWOOFER SPK LO TAN WIRE TAN/BLK WIRE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB CABLE VOICE SIG W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE

2.8L 24 25 6 SERIAL DATA BUS - SERIAL DATA BUS+ SHIFT CTRL SIG 3.0L 5 V REF AUTOMATIC TRANSMISSION ASSEMBLY BCM 6 FUSE BLOCK FUSE (CENTER CONSOLE) BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (NEAR TOP OF BRAKE PEDAL) BRK PEDAL POS SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CTRL SOFT SOL PARK LOCK DATA BUS - DATA SERIAL DK BLU WIRE ENGINE CONTROL MODULE (LEFT FRONT ENGINE COMPT) 2.8L 3.0L GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL LOGIC LOW REF ORG/BLK WIRE PARK LOCK SOL CTRL PARK/NEUTRAL SIG RED WIRE RED/WHT WIRE SHIFT LOCK CTRL SOL CTRL TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR WHT WIRE YEL WIRE