Buick Rendezvous I (2001-2007) low ref Wiring diagrams

5 V REF C ANTI-LOCK BRAKES SYSTEM BLK WIRE BRN WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL RELEASE SWITCH (ON BRAKE PEDAL SUPPORT) CRUISE FUSE DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HZDFL FUSE IGN LOGIC INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA CRUISE INDICATOR LOW REF OFF ON ON/OFF INPUT ORG/ WIRE PNK PNK WIRE PNK WIRE PPL PPL CRUISE RELEASE PPL TP SENSOR 2 SIGNAL PPL VSS SIG LOW R/A RESUME/ACCEL INPUT SERIAL DATA SET SW OFF SET/COAST INPUT STOP LAMP SW SIG STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT) TAC MOTOR CONTROL-1 TAC MOTOR CONTROL-2 THROTTLE BODY ASSEMBLY TP SENSOR 1 SIGNAL TRANSMISSION CONTROL MODULE (TCM) (INSIDE AIR CLEANER ASSEMBLY) TURN SIGNAL SWITCH/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) VEHICLE SPEED SENSOR (ON TRANSAXLE) VSS SIG HIGH WHT WIRE YEL WIRE

1 2 3 4 BAT MTR SPD SIG MTR SPD CTRL GND 1049 473 335 58 5 6 48 4 20 SERIAL DATA HI SPD FAN CTRL LO SPD FAN CTRL 3.4L 3.6L 3.6L 3.4L 380 (OR 2709) 27 34 9 39 A/C PRESS SIGNAL A/C CLU RLY CTRL A/C CLUTCH FUSE COOL FAN 1 FUSE A/C CLUTCH RELAY 51 A/C COMPRESSOR CLUTCH (3.4L: RIGHT FRONT LOWER ENGINE) (3.6L: LEFT FRONT ENGINE) A/C COMPRESSOR CLUTCH DIODE 70 BLK WIRE BLOWER MOTOR (PART OF HVAC MODULE, BEHIND GLOVE BOX) BOX, ON COWLING) BRN WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) COMPUTER DATA LINES SYSTEM COOL FAN 1 RELAY 61 COOL FAN 2 FUSE IGN 3 FUSE COOL FAN 2 RELAY 58 COOL FAN 3 RELAY 60 DEFOG RLY CTRL I/P LAMP SPLY DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EARLY PRODUCTION ECT SENSOR EVAP TEMP SIG SUNLOAD SIG EVAPORATIVE TEMPERATURE SENSOR (IN HVAC MODULE, MOUNTED TO EVAPORATOR COIL) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES IP MDL FUSE HOT IN RUN IGN 3 HVAC FUSE HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) IGNITION RELAY 59 (3.4L) PTRAIN RELAY 59 (3.6L) LATE PRODUCTION LEFT COOLING FAN (MOUNTED TO REAR LEFT SIDE OF RADIATOR) LOGIC LOGIC LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE MODE ACTUATOR (ON LEFT END OF HVAC ASSEMBLY) MTR SPD CTRL MTR SPD SIG ORG/ WIRE ORG/BLK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (3.4L) ENGINE CONTROL MODULE (ECM) RECIRCULATION ACTUATOR (IN DASH, BEHIND GLOVE RED WIRE RED/BLK WIRE RIGHT COOLING FAN (MOUNTED TO REAR RIGHT SIDE OF RADIATOR) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AFT BLK WIRE BRN WIRE BRN/WHT WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DR ST HORI POS SEN DR ST RR VERT POS SEN DR ST FRT VERT POS SEN DRIVER OUTSIDE REARVIEW MIRROR DRIVER SEAT ADJUSTER MOTOR ASSEMBLY DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT POSITION SENSOR EXIT MEM 1 FORE/ FRONT UP/DOWN FRONT VERTICAL FRT DN FRT UP GND BAT (+) GRY WIRE HORI- ZONTAL HORIZONTAL FOR/AFT HOT AT ALL TIMES LEFT LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT MIR HOR POS SEN LT MIR VER POS SEN RT MIR HOR POS SEN RT MIR VER POS SEN LT MIR MTR RT CTRL LT MIR MTR LT CTRL LT MIR MTR DN CTRL LT RT MEM 2 MEMORY 2 SW SIG MEMORY 1 SW SIG MEMORY SEAT, MIRROR MODULE (UNDER DRIVER SEAT) MEMORY SEAT, MIRROR SWITCH MIR SW PWR DR SEAT SW PWR NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL PPL 616 615 PPL/WHT WIRE PWR STS CIRCUIT BREAKER 11 REAR UP/DOWN REAR VERTICAL RED/DK BLU WIRE RED/DK GRN WIRE RED/WHT WIRE RR DN RR UP RT MIR MTR RT CTRL RT MIR MTR LT CTRL RT MIR MTR DN CTRL TAN WIRE VERTICAL WHT WIRE YEL WIRE YEL/DK BLU WIRE YEL/DK GRN WIRE YEL/WHT WIRE

BACK-UP LPS RELAY BLK WIRE BODY CONTROL MODULE (IN CONSOLE, ABOVE FUSE BLOCK, IN CENTER CONSOLE) BRN WIRE CENTER AMBER IND CTRL LEFT AMBER IND CTRL CENTER AMBER INDICATOR CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) DK BLU WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM FUSE 26 GROUND B+ PARK ASSIST SW SIG BACKUP LAMP VOLTAGE DIAGNOSTIC INPUT PNK WIRE GRY WIRE HOT IN RUN OR START I/P SWITCH ASSEMBLY INDICATOR LEFT AMBER INDICATOR LEFT REAR CORNER OBJECT SENSOR (BEHIND LEFT CORNER OF REAR BUMPER) LEFT REAR MIDDLE OBJECT SENSOR (BEHIND MIDDLE OF REAR BUMPER) LOW REF LT BLU WIRE LT GRN WIRE MIRRORS SYSTEM ORG/ WIRE PARK AID PNK WIRE POWER DISTRIBUTION SYSTEM REAR PARK CHIME SIG TELLTAIL ASSY VOLTAGE REAR PARKING ASSIST (RPA) DIAGNOSTIC CONNECTOR REAR PARKING ASSIST (RPA) DISPLAY REAR PARKING ASSIST (RPA) MODULE (BEHIND FRONT CENTER DASH CONSOLE) RED IND CTRL WIRE RED WIRE RIGHT REAR CORNER OBJECT SENSOR (BEHIND RIGHT CORNER OF REAR BUMPER) RIGHT REAR MIDDLE OBJECT SENSOR (BEHIND MIDDLE OF REAR BUMPER) SENSOR SIGNAL SPLICE SPLICE PACK SUPPLY VOLTAGE TRNSIG FUSE 19 UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) AWD FUSE 30 VSS SIGNAL WHT WIRE YEL WIRE

BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BODY CONTROL MODULE (IN CENTER CONSOLE) BRN/WHT WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ENG CONTROLS FUSE 4 EVAP CAN PURGE CTRL GROUND LOW REF GROUND LOW REF A/T ISS SEN LO A/T ISS SEN HI VSS HI SIG VSS LO SIG GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IAC COIL B HI CTRL IC TIMING SIG IC TIMING CTRL VSS OUT GROUND GROUND SERIAL CLASS 2 DATA IGN 0 VOLT BATTERY IGNITION SWITCH INJ 6 CONTROL LOW REFERENCE INTAKE AIR TEMPERATURE SENSOR (NEAR THROTTLE BODY, IN AIR INTAKE DUCT) KNOCK SENSOR (ON LOWER LEFT SIDE OF ENGINE, ABOVE STARTER) LOCK OFF LOW REF LOW REF TCC BRAKE SW LOW REF EGR SOL LOW CTRL KNOCK SENS SIG PPL LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF MASS AIRFLOW SENSOR (AT LEFT SIDE OF ENGINE COMPT, ON AIR CLEANER HOUSING) NAVIGATION SYSTEM ORG/ WIRE ORG/BLK WIRE PCM FUSE 5 PNK WIRE PNK/BLK WIRE PPL PPL 7 8 9 PPL/WHT WIRE PWR RED/BLK WIRE REQ TORQUE SIG CRUISE INHIBIT IN INJ 5 CONTROL AXLE ACT CTRL SECONDARY AIR INJECTION SOLENOID TAN WIRE TAN/BLK WIRE TRANS RANGE "B" MAF SENS SIG TRANSMISSIONS ANTI-LOCK SYSTEM BRAKES SYSTEM UNDER- HOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) VEHICLE SPEED SENSOR (ON TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE

AIR PUMP FUSE 21 AIR PUMP RELAY AUTOMATIC TRANSAXLE BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CKP SENS SIG CRANKSHAFT POSITION SENSOR B (ON LOWER RIGHT SIDE OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SWITCH (LOWER LEFT SIDE OF ENGINE, ABOVE STARTER) EXHAUST GAS RECIRC- ULATION VALVE (TOP REAR OF ENGINE, ON INTAKE MANIFOLD) GRD GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START CENTER CONSOLE FUSE INTEMM FUSE 24 BLOCK (IN FLOOR CONSOLE) IC TIMING CNTRL IC TIMING SIG IDLE AIR CONTROL (IAC) VALVE (ON THROTTLE BODY) IGN IGNITION CONTROL MODULE (TOP OF RIGHT VALVE COVER) LO RES ENG SPD LOW REF LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SECONDARY AIR INJECTION PUMP TAN WIRE TAN/BLK WIRE TCC SWITCH THROTTLE POSITION SENSOR TRANSAXLE INTERNAL MODE SWITCH (IMS) UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) VENT SOL FUSE 24 ELEC ENG FUSE 13 WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE

1227 1589 1867 PPL 812 407 1868 436 625 12 VOLT REF LOW REF A/C COMP RLY CTRL A/C REFRIGERANT PRESSURE SENSOR (BELOW AIR CLEANER ASSEMBLY) AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM STARTING/ CHARGING SYSTEM CRUISE ENGAGE SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CAN VENT SOL CTRL FUEL PUMP RELAY CTRL EGR SOL HI CTRL MIL CTRL FUEL INJ FUSE 11 FUEL INJECTORS (ON INTAKE MANIFOLD) FUEL TNK PRESS SENS SIG TRS SIG C FUSE 27 GENERATOR TURN ON SIG GRY WIRE HEATED OXYGEN SENSOR 1 (AT RIGHT SIDE OF ENGINE, ON EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (ON EXHAUST SYSTEM, BEHIND CATALYTIC CONVERTER) HOT IN RUN OR START IAC COIL A HI CTRL ENG SPEED SIG TORQUE SIG IAC COIL A LO CTRL PC SOL VAL HI CTRL PC SOL VAL LO CTRL IAC COIL B LO CTRL IAT SENS SIG INJ 4 CONTROL LOW REF LOW REF AIR PUMP RLY CTRL CRANK RLY CTRL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN AIR CLEANER ASSEMBLY) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SENSORS FUSE 10 STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TCC PWM SOL CTRL TCC RELEASE SW SIG TFT SENS SIG FUEL LEVEL SENS SIG 12 VOLT REF TPS SENS SIG TRS SIG A OIL PRESSURE SW SIG TRS SIG P UNDER- HOOD FUSE BLOCK (ABOVE BATTERY) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 PPL 21 22 23 PPL BARE BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE CMP SIG CMP SIG GEN FDC SIG CMP SOL CTRL CMP SOL CTRL CRANKSHAFT POSITION (CKP) SENSOR (LEFT LOWER REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SIG ENGINE CONTROL MODULE (ECM) ENGINE OIL LEVEL/TEMPERATURE SENSOR ENGINE OIL PRESSURE SENSOR GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN IGN 3 CTRL CKP SENS REF IGN 4 SIG CKP SENS SIG IGN 6 CTRL IGN 2 CTRL INJ 2 CTRL INJ 1 CTRL INJ 6 CTRL INTAKE MANIFOLD RUNNER CONTROL DRIVER MODULE INTAKE MANIFOLD RUNNER CONTROL SOLENOID KNOCK SENSOR BANK 1 (LOWER RIGHT SIDE OF ENGINE) KNOCK SENSOR BANK 2 (LOWER LEFT SIDE OF ENGINE, ABOVE STARTER) KS SIG LOW REF LOW REF PPL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE PPL PPL CMP SOL CTRL CMP SOL CTRL TAC MTR CTRL PPL PPL 17 18 19 20 PPL/WHT WIRE RED WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM TAC MTR CTRL TAN WIRE TAN/BLK WIRE TP SIG BARO SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

23 24 25 26 27 28 PPL BAROMETRIC PRESSURE (BARO) SENSOR BLK WIRE BRN WIRE CAMSHAFT POSITION ACTUATOR SOLENOID (EXHAUST BANK 1) CAMSHAFT POSITION ACTUATOR SOLENOID (EXHAUST BANK 2) CAMSHAFT POSITION ACTUATOR SOLENOID (INTAKE BANK 1) CAMSHAFT POSITION ACTUATOR SOLENOID (INTAKE BANK 2) CAMSHAFT POSITION SENSOR EXHAUST BANK 1 CAMSHAFT POSITION SENSOR EXHAUST BANK 2 CAMSHAFT POSITION SENSOR INTAKE BANK 1 CAMSHAFT POSITION SENSOR INTAKE BANK 2 DK GRN WIRE DK GRN/WHT WIRE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE GRY WIRE IAT SENSOR LOW REF LT GRN WIRE MAF SENSOR ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL SIGNAL SOLENOID VALVE (ON TOP RIGHT REAR OF ENGINE, NEAR THROTTLE BODY) TAN WIRE THROTTLE BODY ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

1589 492 1162 397 PPL FUEL LEV SIG MAF SIG APP SENS 2 SIG CRUISE CTRL SW 2501 1274 1669 500 GMLAN BUS 625 540 464 STARTER RLY BATTERY + TORQUE SIG 87 463 CRUISE CTRL SW REQ TORQ SIG ANTI-LOCK BRAKES SYSTEM APP SENS SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (IN CONSOLE, ABOVE FUSE BLOCK, IN CENTER CONSOLE) BRN WIRE BRN/WHT WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) CLASS 2 DATA CLU RLY CTRL MIL CTRL COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM ANTI-LOCK BRAKES SYSTEM CRUISE CTRL SW CRANK VOLT P/N SIG EVAP SOL CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE GRY/BLK WIRE HEATED OXYGEN ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) HOT AT ALL TIMES HOT AT ALL TIMES HZDFL FUSE 40 IGN VOLTS IGNITION SWITCH INSTRUMENT PANEL CLUSTER LAN BUS + LOCK OFF LOGIC IGN LOW REF LT BLU WIRE MALFUNCTION IND LAMP NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT FAN RLY CTRL WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE REAR PARKING ASSIST (RPA) MODULE (BEHIND FRONT CENTER DASH CONSOLE) RED/BLK WIRE RLY CTRL FAN RLY CTRL RUN WIRE SHIFT INTERLOCK SYSTEM SPD SIG STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) TRANSMISSION INTERNAL MODE SWITCH TRANSMISSIONS SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL YEL WIRE YEL/BLK WIRE