Chevrolet HHR I (2005-2011) computer data lines system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 GMLAN + GMLAN + 1 2 3 4 5 6 7 8 TOR SENS GND EXCITING GND 1 2 3 4 5 6 SENS EXCITING 1 2 3 MTR W PHASE MTR V PHASE MTR U PHASE 1 2 B+ GND 2500 2500 COMPUTER DATA LINES SYSTEM (ON LEFT FRONT SHOCK TOWER) 642 1150 CRUISE CONTROL SYSTEM BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK PNK MOTOR RESOLVER WIRE ELECTRONIC POWER STEERING (EPS) MOTOR (AT BASE OF STEERING COLUMN) EPS COMPARTMENT, FUSE 1 NEXT TO LEFT STRUT TOWER) EPS/STR WHL CNTRL FUSE 19 EXCITING GND GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LT BLU WIRE LT DK PNK IGN GMLAN - GMLAN - WIRE PNK PNK WIRE PNK WIRE RED WIRE RED/BLK WIRE SENS COS SENS SN TAN WIRE TAN/BLK WIRE TOR SENS EXCIT OUT SHAFT COS OUT SHAFT SN IN SHAFT COS IN SHAFT SN TORQUE RESOLVER UNDERHOOD FUSE BLOCK (IN ENGINE WHT WIRE YEL WIRE

B(+) BLK WIRE CLASS 2 SERIAL DATA COMPARTMENT, NEXT TO LEFT STRUT TOWER) COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DK GRN/BLK WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ELECTRIC POWER STEERING (EPS) MOTOR EPS FUSE 1 EPS/STR WHL CNTRL FUSE 19 GRN WIRE GROUND HOT AT ALL TIMES HOT IN RUN OR START IGN 1 VOLT LEFT ASSIST MOTOR CTRL INSTRUMENT PANEL CLUSTER (IPC) LOGIC PNK PNK WIRE PNK WIRE POWER STEERING CONTROL MODULE (PSCM) RED WIRE RED/BLK WIRE RIGHT ASSIST MOTOR CTRL STEERING COLUMN) STEERING SHAFT TORQUE SENSOR TAN WIRE UNDERHOOD FUSE BLOCK (IN ENGINE

2.0L TURBO, 5 SPEED 2.2L, 2.4L 2.0L 2500 2500 2501 2501 COMPUTER DATA LINES SYSTEM 39 35 11 42 55 380 2700 5514 2500 2501 SNS SIG 4 SPEED 5 V REF 5 VOLT REF LO REF ABS FUSE ABS IND. BAT POS VOLT RF WHEEL SPD SENS LO REF RF WHEEL SPD SENS SIG BCM 2 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER LOGIC BPP SENS BRAKE BOOSTER VACUUM SENSOR BRAKE IND BRAKE PEDAL POSITION SENSOR (BPP) (ON BRAKE PEDAL MOUNTING BRACKET) BRAKE PRESSURE MODULATOR VALVE (BPMV) BRK FLUID LVL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM SPD GMLAN DASH, BELOW RADIO, ON RIGHT SIDE OF CENTER CONSOLE) DATA SERIAL DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE ENGINE CONTROLS GROUND GRY WIRE GRY/BLK WIRE HIGH 2 SERIAL DATA LOW 2 SERIAL DATA HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT WHEEL SPEED SENSOR (WSS) (INSIDE LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (WSS) (INSIDE LEFT REAR WHEEL HUB) LF WHEEL SPD SENS SIG LF WHEEL SPD SENS LO REF LO REF LO REF HI SPD GLMAN (+) HI SPD GLMAN (-) 43 44 COMPUTER DATA LINES SYSTEM LOW REF VACUUM SENS SIG RR WHEEL SPD SENS LO REF RR WHEEL SPD SENS SIG LR WHEEL SPD SENS SIG LR WHEEL SPD SENS LO REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRK PNK IGN 1 VOLT WIRE PNK WIRE PNK/BLK WIRE PUMP MOTOR CONTROL RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (INSIDE RIGHT FRONT WHEEL HUB) RIGHT REAR WHEEL SPEED SENSOR (WSS) (INSIDE RIGHT REAR WHEEL HUB) SENSOR LOW REF SIG STEERING ANGLE SENSOR (EXCEPT 2.0L) SW SIG SWITCH SYSTEM 2.0L 1 2 3 4 LOW REF BUS LO BUS HI TAN WIRE TAN/BLK WIRE TRAC DISABLE IND LOGIC TRACTION CONTROL SWITCH TRACTION CTRL SW WHT WIRE YAW, LATERAL ACCELEROMETER SENSOR YEL WIRE

2.0L TURBO, 5 SPEED 2.2L, 2.4L 2.0L 39 35 11 42 55 380 2700 5514 2500 2501 SNS SIG 4 SPEED 5 V REF 5 VOLT REF LO REF ABS FUSE ABS IND. BAT POS VOLT BCM 2 FUSE ABS FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER LOGIC BPP SENS BRAKE BOOSTER VACUUM SENSOR BRAKE IND BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL MOUNTING BRACKET) BRAKE PRESSURE MODULATOR VALVE (BPMV) BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM SPD GMLAN CTRL SW TRACTION DASH, BELOW RADIO, ON RIGHT SIDE OF CENTER CONSOLE) DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE ENGINE CONTROLS SYSTEM GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT WHEEL SPEED SENSOR (WSS) (INSIDE LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (WSS) (INSIDE LEFT REAR WHEEL HUB) LF WHEEL SPD SENS LO REF LF WHEEL SPD SENS SIG LO REF LO REF 43 44 HI SPD GLMAN (+) HI SPD GLMAN (-) LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LVL SENS BRK FLUID NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRK PNK WIRE PUMP MOTOR CONTROL RED/BLK WIRE RED/WHT WIRE RF WHEEL SPD SENS SIG RF WHEEL SPD SENS LO REF RIGHT FRONT WHEEL SPEED SENSOR (WSS) (INSIDE RIGHT FRONT WHEEL HUB) RIGHT REAR WHEEL SPEED SENSOR (WSS) (INSIDE RIGHT REAR WHEEL HUB) SERIAL DATA SIG SW SIG SWITCH TAN WIRE TAN/BLK WIRE TRAC DISABLE IND TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) VACUUM SENS SIG WHT WIRE YEL WIRE

2500 2501 COMPUTER DATA LINES SYSTEM 43 44 GMLAN SERIAL DATA + GMLAN SERIAL DATA - 6 10 7 8 FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL A/T A/T M/T ACC VOLT B(+) BATTERY (B+) BETWEEN DOOR HINGES) BLK WIRE BLK/WHT WIRE BRN WIRE CLSTR FUSE 7 COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROLS SYSTEM EXCEPT PANEL VAN FUSE 10 GMLAN SERIAL DATA GMLAN SERIAL DATA - GMLAN SERIAL DATA + GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOOD AJAR SWITCH HORN RELAY CTRL HORNS SYSTEM HOT AT ALL TIMES HVAC IGN KEY RESISTOR SIG IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR ACCESS PANEL LATCH (REAR OF LEFT REAR ACCESS PANEL) LOGIC LOGIC SECURITY IND SUPPLY VOLTAGE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT M/T OFF OFF/RUN/CRANK PANEL VAN PARK LAMP RELAY CTRL PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL 3 4 19 20 1 22 RED WIRE RED/WHT WIRE RELAY CTRL RIGHT FRONT DOOR JAMB SWITCH (RIGHT "A" PILLAR RUN WIRE SECURITY IND SECURITY INDICATOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ ONSTAR W/ REMOTE KEYLESS ENTRY LOCK CONTROL WHT WIRE WHT/BLK WIRE WHT/RED WIRE XM/ ONSTAR FUSE 24

ANTI-THEFT SYSTEM BRAKE PEDAL POS SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SW SIG IGNITION KEY RESISTOR SIGNAL CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRL AMBIENT LIGHT SENS LOW REF DRL AMBIENT LIGHT SENS SIG FLASH TO PASS SIG GRY WIRE HAZARD SWITCH SIG HEADLIGHTS SYSTEM HIGH SPEED GMLAN SER BUS - HIGH SPEED GMLAN SER BUS - I/P LAMP DIMMER SW SIG LOCK CONTROL LOGIC LOW SPEED GMLAN SERIAL DATA LR TURN SIG SW SIG RR TURN SIG SW SIG REAR DEFOG SW SIG A/C REQUEST SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NOT USED NOT USED OFF/RUN/CRANK VOLTAGE WINDSHIELD WIPER SW SIG 1 LOW REF LOW REF ORG/ WIRE PASS SEAT BELT INDICATOR REAR DEFOG RLY CTRL PPL PPL/WHT WIRE REAR WIPER/WASHER SW VOLT RR ACCESS PANEL SW SIG SECURITY IND SPLY VOLTAGE SUPPLEMENTAL RESTRAINTS SYSTEM DEFOGGER SYSTEM TAN WIRE TAN/BLK WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/BLK WIRE

1 8 10 9 A/C REQ SIG IGN 1 VOLTAGE BATT GND PNK WIRE 2.0L EXCEPT 2.0L 30 43 44 25 44 42 55 39 RLY CTRL SERIAL DATA + SERIAL DATA - PRESS SENS SIG 5 VOLT REF 58 4 82 44 ECT SIG LOW REF A/C CLUTCH RELAY 15 A/C COMPRESSOR CLUTCH (LOWER LEFT FRONT OF ENGINE) A/C FUSE 22 A/C REFRIGERANT PRESSURE SENSOR (ON A/C LINE, NEAR COMPRESSOR) A/C REQUEST INDICATOR A/C REQUEST SIG A/C REQUEST SWITCH BLK WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE (ECT) SENSOR DIODE A/C CLUTCH DIODE 9 DK GRN WIRE DK GRN/WHT WIRE EARLY PRODUCTION FUSE 10 GRY WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY 26 ENERGIZED HOT W/ RUN/CRANK RELAY 51 ENERGIZED HVAC CONTROL ASSEMBLY HVAC/ IP IGN FUSE 16 LOGIC LOW REF LT GRN WIRE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) YEL WIRE

1 2 3 4 B+ GROUND 2.0L 46 42 55 335 2500 2501 RELAY CTRL SERIAL DATA + SERIAL DATA - BLK WIRE COMPUTER DATA LINES SYSTEM COOL FAN FUSE 40 COOL FAN FUSE 7 COOL FAN RELAY 50 CTRL DK GRN WIRE ECT SIG ENGINE COOLING FAN (EXCEPT 2.0L) (FRONT OF ENGINE COMPT, ATTACHED TO RADIATOR) ENGINE COOLING FAN (FRONT OF ENGINE COMPT, ATTACHED TO RADIATOR) ENGINE COOLING FAN MODULE (ATTACHED TO ENGINE COOLING FAN MOTOR ASSEMBLY) EXCEPT 2.0L EXCEPT 2.0L 2.0L GROUND SPLY VOLT HOT AT ALL TIMES LOE REF LT BLU WIRE RED WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) YEL WIRE

2.0L 2.2L/2.4L 400 401 (OR 6354) (OR 6356) PPL 42 55 2500 2501 GMLAN (+) GMLAN (-) 7 6 38 37 16 41 GMLAN (+) GMLAN (-) GMLAN (+) GMLAN (-) VSS LO SIG VSS HI SIG A/T M/T ACCELERATOR PEDAL POSITION (APP) SENSOR (ON ACCELERATOR PEDAL BRACKET) BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL MOUNTING BRACKET) BRAKE/ BRN WIRE CHMSL RELAY CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) COMPUTER DATA LINES SYSTEM CRUISE CONTROL ON IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM EPS/STR CRUISE WHL CNTRL POS CTRL FUSE 19 SIG SW SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/ CRNK RELAY ENERGIZED LEFT STEERING WHEEL CONTROL SWITCH LOGIC LT BLU WIRE LT GRN WIRE ORG/DK GRN WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL TP SENS 2 SIG RED/WHT WIRE RELAY GND CTL RES+ SET- STOP LP FUSE 9 TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT SIDE OF ENGINE COMPT) TRANSMISSIONS SYSTEM UNDERHOOD RELAY BLOCK VEHICLE SPEED SENSOR (AT REAR OF ENGINE, ON TOP OF TRANSMISSION) W/ ACCESSORY STEERING WHEEL CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

6 7 8 9 10 11 PNK PNK WIRE A/C REQUEST INDICATOR A/C REQUEST SIG A/C REQUEST SWITCH BCM 3 FUSE 4 BLK WIRE BLK/WHT WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR SWITCH BODY CONTROL MODULE (BCM) (UNDER CENTER BRN WIRE COMPUTER DATA LINES SYSTEM DASH, BELOW RADIO, ON RIGHT SIDE OF CENTER CONSOLE) DEFOGGER INDICATOR DEFOGGER SWITCH DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DRIVER HEATED SEAT HI INDICATOR DRIVER HEATED SEAT LO INDICATOR DRIVER HEATED SEAT SWITCH FRESH AIR INDICATOR FUSE 10 GND GND DOOR CTRL AIR TEMP DOOR CTRL 5 VOLT REF WAKE UP VOLT OFF GRY WIRE HI/LOW SIGNAL R DEFOG SWITCH SIG LOW TEMP IND A/C REQUEST SIG HIGH TEMP IND BATTERY POSITIVE GND IGN 1 VOLTAGE HIGH/LOW SIG HIGH TEMP CTRL DIMMER SWITCH SIG R DEFOG RELAY CTRL HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY 51 ENERGIZED HTD SEAT LO HVAC CONTROL ASSEMBLY HVAC RELAY 30 HVAC/ IP IGN FUSE 16 LOGIC LOW OFF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DOOR POSITION SIG MODE SWITCH ORG/ WIRE PASSENGER HEATED SEAT HI INDICATOR PASSENGER HEATED SEAT LO INDICATOR PASSENGER HEATED SEAT SWITCH PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM RECIR- CULATION INDICATOR RECIR- CULATION SWITCH RED WIRE RED/WHT WIRE SEATS SYSTEM SEATS SYSTEM DEFOGGER SYSTEM SEATS SYSTEM SERIAL DATA TAN WIRE TAN/BLK WIRE TEMPERATURE CONTROL SWITCH UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE WHT/BLK WIRE YEL WIRE