Buick Rendezvous I (2001-2007) hvac control module (center of dash, below radio) Wiring diagrams

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

1049 (OR 2759) 3.4L 3.6L 3.6L 3.4L 39 27 34 49 9 39 A/C CLU RLY CTRL A/C PRESS SIG 58 80 48 25 SERIAL DATA LOW REFERENCE A/C CLUTCH DIODE 70 A/C CLUTCH FUSE A/C CLUTCH RELAY 51 BLK WIRE BRN WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) IGN 3 HVAC FUSE IGN 3 VOLTAGE BAT CLASS 2 SERIAL GND IGNITION PTRAIN (3.4L) (3.6L) IP MDL FUSE ORG/ WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RELAY 59 RUN WIRE UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) WHT WIRE

241 640 IGNITION BATTERY A/C REQUEST GROUND 39 27 34 459 380 2700 A/C CLU RLY CTRL A/C PRESS SIG 58 80 SERIAL DATA LOW REFERENCE A/C CLUTCH DIODE 70 A/C CLUTCH FUSE A/C CLUTCH RELAY 51 A/C COMPRESSOR CLUTCH (RIGHT FRONT LOWER ENGINE) A/C REQUEST SERIAL DATA BLK WIRE BODY CONTROL MODULE (IN CONSOLE, ABOVE FUSE BLOCK, IN CENTER CONSOLE) BRN WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) DATA LINK PPL CONNECTOR (DLC) (BELOW STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) IGN 3 HVAC FUSE IP MDL FUSE LT GRN WIRE MANUAL A/C CIRCUIT ORG/ WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RUN WIRE SPLICE SPLICE PACK UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY)

1 2 (MANUAL A/C) (AUTOMATIC A/C) 10 11 B+ I/P LMPS VOLT AUTO BCML FUSE BLK WIRE BODY CONTROL MODULE (BCM) BRN WIRE BRN/WHT WIRE CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) DRIVER INFORMATION CENTER SWITCH EXTERIOR LAMPS SYSTEM GRY WIRE GRY/BLK WIRE HEAD UP DISPLAY (HUD) SWITCH HEAD- LAMP SWITCH HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) I/P LMPS DIM I/P SWITCH ASSEMBLY INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) (8 BULBS) LOW REFERENCE PNK WIRE LT BLU WIRE NCA WIRE OFF PARK HEAD PARK LAMP SIG PARK LMP SUPP I/P LMPS SUPP PARK LPS FUSE PARK LPS RELAY PNK WIRE PRK LP RLY CTRL RADIO REAR SEAT AUDIO (RSA) CONTROL I/P LMPS VOLT PARK LMPS VOLT RIGHT STEERING WHEEL CONTROLS LEFT STEERING WHEEL CONTROLS STG COL FUSE 2 UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) WHT WIRE YEL WIRE

640 241 241 9 193 BATTERY A/C CLU RLY CTRL A/C CLUTCH DIODE 70 A/C CLUTCH RELAY 51 A/C COMPRESSOR CLUTCH (RIGHT FRONT LOWER ENGINE) A/C REQUEST SERIAL DATA ACCESS PANEL) 410 380 2700 26 27 34 39 ECT SENSOR A/C PRESS SIGNAL BLK WIRE BLOCK, IN CENTER CONSOLE) BLOWER MOTOR (PART OF HVAC MODULE, BEHIND GLOVE BOX) BLOWER MOTOR RELAY BLOWER MOTOR RESISTORS BODY CONTROL MODULE (BCM) (IN CONSOLE, ABOVE FUSE BRN WIRE BUICK PONTIAC CENTER CONSOLE FUSE BLOCK (IN FLOOR CONSOLE) BLWR FUSE COOL FAN 1 FUSE COOL FAN 2 FUSE A/C CLUTCH FUSE COOL FAN 1 RELAY 61 COOL FAN 2 RELAY 58 COOL FAN 3 RELAY 60 DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) IGN 3 FUSE IGN 3 HVAC FUSE IP MDL FUSE LATE PRODUCTION EARLY PRODUCTION LOGIC LOGIC LOGIC LT BLU WIRE LT GRN WIRE MODE ACTUATOR (ON LEFT END OF HVAC ASSEMBLY) OFF LO ORG/ WIRE ORG/BLK WIRE PONTIAC POWER DISTRIBUTION SYSTEM PPL RECIRCULATION ACTUATOR (ON RIGHT END OF HVAC ASSEMBLY) RED WIRE RED/BLK WIRE RIGHT AIR TEMPERATURE ACTUATOR LEFT AIR TEMPERATURE ACTUATOR RUN WIRE SPLICE PACK PPL DATA LINK CONNECTOR (BELOW STEERING COLUMN) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (FRONT OF RIGHT WHEELHOUSE, ABOVE BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE