Hyundai Sonata IV (1998-2001) passenger compartment junction block Wiring diagrams

12 3 SENS GRD FLASH SOURCE 15 14 FLASH SOURCE FLASH SOURCE 7 5 K-LINE SPARK TIMING A/T ABS CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BRN WIRE CHECK CONNECTOR DATA INPUT/ OUTPUT DATA LINK CONNECTOR (DLC) (RIGHT OF STEERING COLUMN) DIAG ECM CONTROL RELAY (BEHIND DASH) ELECTRONIC POWER STEERING CONTROL MODULE (BEHIND CENTER OF DASH) ENGINE COMPARTMENT JUNCTION BLOCK ENGINE CONTROL MODULE (ECM) (BEHIND LOWER CENTER OF DASH) ENGINE CONTROLS SYSTEM ENGINE/TRANSMISSION CONTROL MODULE (E/TCM) (BEHIND LOWER CENTER OF DASH) FUSE 20 GRN WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONNECTOR K LINE KEYLESS ENTRY CONTROL MODULE (BEHIND LOWER CENTER OF DASH) LT BLU WIRE M/T ORG/ WIRE ORG/BLK WIRE PASSENGER COMPARTMENT JUNCTION BLOCK POWER DISTRIBUTION SYSTEM SENS GRD SPARK TIMING SRS CONTROL MODULE (UNDER FLOOR CONSOLE) SUNROOF FUSE TAN WIRE TAN/WHT WIRE VEHICLE SPEED SENSOR (ON BOTTOM OF TRANSAXLE) VSS OUT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

A/C SIG INPUT A/T M/T AIR CONDITIONING SYSTEM B+ H- H+ L- BLK WIRE BLU WIRE CONDENSER FAN MOTOR CONDENSER FAN RELAY (HIGH 1) CONDENSER FAN RELAY (HIGH 2) CONDENSER FAN RELAY (LOW) CONDENSER FUSIBLE LINK ECM CONTROL RELAY (BEHIND DASH, ON RIGHT SIDE OF CENTER SUPPORT BRACKET) ENGINE COMPARTMENT JUNCTION BLOCK FAN RLY (HI) CTRL FROM RADIATOR/ CONDENSER FAN RELAYS GRN WIRE GRN/WHT WIRE GRY WIRE H+ L- B+ H- HOT AT ALL TIMES IGNITION SWITCH LOCK LT BLU WIRE MAIN FUSE NCA WIRE ORG/ WIRE PASSENGER COMPARTMENT JUNCTION BLOCK PNK WIRE RADIATOR FAN MOTOR RADIATOR FAN RELAY (HIGH 1) RADIATOR FAN RELAY (HIGH 2) RADIATOR FAN RELAY (LOW) RADIATOR FUSIBLE LINK RED WIRE TAN WIRE TO ENGINE CONTROL MODULE (ECM) TRIPLE SWITCH (TOP OF RECEIVER- DRIER ASSEMBLY) WHT WIRE YEL WIRE

A/C CONTROL MODULE A/C SWITCH AIR CONDITIONING SYSTEM AUTO A/C BLK WIRE BLOCK DEFOGGER RELAY DEFOGGER RELAY CONTROL DEFOGGER SWITCH DEFOGGER SWITCH INPUT ELECTRONIC TIME, ALARM CONTROL MODULE (EATCM) ENGINE COMPARTMENT JUNCTION FUSE 27 HOT AT ALL TIMES INDICATOR JUNCTION BLOCK GROUND JUNCTION CONNECTOR LEFT DOOR MIRROR DEFOGGER LT BLU WIRE MANUAL A/C NCA WIRE OFF ON OFF PANEL) PASSENGER COMPARTMENT JUNCTION BLOCK REAR DEFOGGER FUSE REAR WINDOW DEFOGGER RED WIRE RIGHT DOOR MIRROR DEFOGGER

1 2 PNK WIRE A/C PRES A/C SYSTEM A/T RELAY AIR FLOW SENS PNK GEN G WIRE AIR TEMP SENS BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CHECK CONNECTOR CHECK ENGINE IND CLOSE COOLING FANS SYSTEM ECM CONTROL RELAY (BEHIND DASH, RIGHT SIDE OF CENTER SUPPORT BRACKET) EGR SOL ENGINE COMPARTMENT JUNCTION BLOCK ENGINE COMPARTMENT JUNCTION BLOCK MAIN FUSE ENGINE/TRANSMISSION CONTROL MODULE (E/TCM) (BEHIND LOWER CENTER OF DASH) FAN RLY FAN RLY FUEL INJECTORS FUEL SENDER AND FUEL PUMP MOTOR (TOP OF FUEL TANK) FUSE 10 GRN WIRE GRN/WHT WIRE GROUND BATTERY MEM PWR PNK WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ECM FUSE HOT IN ON OR START IGN COIL 2, 3 IGN COIL 1, 4 IGNITION COIL 1 (TOP FRONT OF ENGINE) IGNITION COIL 2 (TOP REAR OF ENGINE) IGNITION SWITCH INJ 2 CCV PURGE SOL INJ 3 INJ 4 INJ 1 SPARK TIMING MIL CTRL A/C REL F PMP CTRL INSTRUMENT CLUSTER LOCK LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE P/S SW PASSENGER COMPARTMENT JUNCTION BLOCK PNK 10 11 12 13 14 15 16 17 18 WIRE PNK 6 5 7 PNK WIRE PNK PNK PNK PNK PNK PNK PNK 1 2 3 4 5 6 7 8 9 WIRE PNK WIRE PNK/BLK WIRE POWER STEERING PRESSURE SWITCH (RIGHT FRONT OF ENG COMPT) PPL START SIG P/N INPUT PURGE CONTROL SOLENOID VALVE (FRONT OF INTAKE MANIFOLD) RED WIRE STARTING/ CHARGING SYSTEM TACHO- METER TAN WIRE TAN/BLK WIRE TO SPARK PLUGS WHT WIRE YEL WIRE YEL/BLK WIRE

15 16 17 18 19 PNK PNK WIRE 18 19 PPL 6 7 8 9 PNK WIRE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CAMSHAFT POSITION SENSOR (RIGHT FRONT OF CYL HEAD) CHECK CONNECTOR CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE) CRUISE CONTROL MODULE (ON RIGHT STRUT TOWER) ENGINE COMPARTMENT JUNCTION BLOCK GRN WIRE GRY WIRE HOT IN ON OR START FUSE 5 KNOCK SENSOR (LEFT SIDE OF ENGINE BLOCK) LT BLU/BLK WIRE MASS AIR- FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) NCA WIRE PASSENGER COMPARTMENT JUNCTION BLOCK PNK 1 2 WIRE PNK PNK PNK 6 7 8 WIRE PNK WIRE POWER STEERING, INSTRUMENT CLUSTER SYSTEMS PPL 11 12 13 TAN WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) VEHICLE SPEED SENSOR (BOTTOM OF TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 PNK WIRE A/C PRES GEN FR PNK WIRE A/C SIG A/C SYSTEM BLK WIRE BLU WIRE BRN/WHT WIRE CHECK CONNECTOR CHECK ENGINE IND CLOSE COOLING FANS SYSTEM ECM CONTROL RELAY (BEHIND DASH, RIGHT SIDE OF CENTER SUPPORT BRACKET) EGR SOL ENGINE COMPARTMENT JUNCTION BLOCK ENGINE CONTROL MODULE (BEHIND LOWER CENTER OF DASH) FUEL INJECTORS FUEL SENDER AND FUEL PUMP MOTOR (TOP OF FUEL TANK) FUSE 10 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN COIL 1, 4 PURGE SOL F PMP CTRL IGN COIL 2, 3 A/C REL FAN RLY FAN RLY IGNITION COIL 1 (TOP FRONT OF ENGINE) IGNITION COIL 2 (TOP REAR OF ENGINE) IGNITION SWITCH INJ 3 INJ 1 GROUND BATTERY INJ 4 INJ 2 INSTRUMENT CLUSTER LOCK LT BLU WIRE LT GRN/BLK WIRE MAIN FUSE NCA WIRE ORG/ WIRE ORG/BLK WIRE P/S SW MIL CTRL PASSENGER COMPARTMENT JUNCTION BLOCK PNK PNK PNK PNK PNK PNK PNK 1 2 3 4 5 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER STEERING PRESSURE SWITCH (RIGHT FRONT OF ENG COMPT) PURGE CONTROL SOLENOID VALVE (FRONT OF INTAKE MANIFOLD) RED WIRE STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM GEN G TAN WIRE TAN/BLK WIRE TO SPARK PLUGS WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAMSHAFT POSITION SENSOR (RIGHT FRONT OF CYL HEAD) CAN CLOSE CANISTER CLOSE VALVE (UNDER LEFT REAR OF VEHICLE) CHECK CONNECTOR CKP SENS CMP SENS IDLE SW VSS IN AIR FLOW SEN TP SENS ECT SENS CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE) CRUISE CONTROL MODULE (ON RIGHT STRUT TOWER) ECM FUSE ENGINE COMPARTMENT JUNCTION BLOCK ENGINE CONTROL MODULE (BEHIND LOWER CENTER OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF CYLINDER HEAD) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START FUSE 5 IGN CTRL IGN DET SIG K-LINE DIAG FTP SENS PPL PNK WIRE LT BLU/BLK WIRE MAP SENS AIR TEMP ST SIG SENS GND GROUND MASS AIR- FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) MEM PWR FLASH SOURCE KS SIG NCA WIRE ORG/ WIRE PASSENGER COMPARTMENT JUNCTION BLOCK PNK 2 1 3 WIRE PNK 2 3 4 WIRE PNK PNK PNK WIRE PNK WIRE POWER STEERING, INSTRUMENT CLUSTER SYSTEMS PPL PNK 6 7 8 9 10 11 12 13 14 15 WIRE STARTING/ CHARGING SYSTEM TAN WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) VEHICLE SPEED SENSOR (BOTTOM OF TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE

1 (PINS 2-6) 7 (PINS 8-12) 13 14 15 16 17 18 19 20 21 22 23 24 PNK WIRE 1 2 3 4 5 6 7 8 9 PNK IGNITION WIRE AIR TEMPERATURE SENSOR (UPPER LEFT SIDE OF INTAKE MANIFOLD) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE CKP SIGNAL ECM CONTROL RELAY (BEHIND DASH, RIGHT SIDE OF CENTER SUPPORT BRACKET) ECM FUSE ECM RELAY ENGINE COMPARTMENT JUNCTION BLOCK ENGINE CONTROL MODULE (ECM) (BEHIND LOWER CENTER OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) FUEL INJECTORS GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IGNITION SWITCH K-LINE GROUND GROUND GROUND MEM PWR BATTERY BATTERY LOCK LT GRN/BLK WIRE MAF SENS GRD MAIN FUSE OPENING CLOSING GROUND ORG/ WIRE ORG/BLK WIRE PASSENGER COMPARTMENT JUNCTION BLOCK PCSV CNTRL PNK PNK PNK PNK PNK PNK PNK 2 3 4 5 6 7 8 WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWER SUPPLY PPL PPL/WHT WIRE PURGE CONTROL SOLENOID VALVE (TOP LEFT SIDE INTAKE MANIFOLD) STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE TP SENS SENS GROUND CKP SENS GRD AIR TEMP IN ATS GRD ECT INPUT ECT SENS GRD WHT/BLK WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAMSHAFT POSITION SENSOR (FRONT OF LEFT CYLINDER HEAD) CANISTER CLOSE VALVE (UNDER LEFT REAR OF VEHICLE) CHECK CONNECTOR CRANKSHAFT POSITION SENSOR (FRONT OF LEFT CYLINDER HEAD) CRUISE CONTROL MODULE (ON RIGHT STRUT TOWER) ENGINE COMPARTMENT JUNCTION BLOCK GRN WIRE GRN/WHT WIRE HOT IN ON OR START FUSE 5 IDLE SPEED CONTROL ACTUATOR (ON THROTTLE BODY ASSEMBLY) MASS AIR- FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) NCA WIRE ORG/BLK WIRE PASSENGER COMPARTMENT JUNCTION BLOCK PNK PNK 4 5 6 WIRE PNK PNK 7 8 WIRE PNK WIRE POWER STEERING, INSTRUMENT CLUSTER SYSTEMS THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) VEHICLE SPEED SENSOR (ON TOP OF TRANSAXLE) WHT WIRE YEL WIRE

1 2 3 4 5 CYLINDER 3/6 CYLINDER 2/5 CYLINDER 1/4 38 39 40 WHL SPD IN WHL SPD IN FAN REL CTRL A/C REL CTRL CCV CNTRL ABS CONTROL MODULE (RIGHT REAR SIDE OF ENG COMPT) AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CHCK ENG IND CHECK ENGINE IND CMP SIG IN CMP SENS GRD COM NTWK HI COM NTWK LO CONDENSER COOLING FANS SYSTEM ENG SPD SIG FAN REL CTRL ENGINE COMPARTMENT JUNCTION BLOCK ENGINE CONTROL MODULE (ECM) (BEHIND LOWER CENTER OF DASH) FUEL PMP REL FUEL TANK PRESSURE SENSOR (UNDER REAR OF VEHICLE, ABOVE REAR CROSSMEMBER) FUSE 10 GRN WIRE GRN/WHT WIRE GROUND (PINS 6-9) HOT IN ON OR START IGNITION COIL (TOP REAR OF ENGINE) IGNITION COIL FUSE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PASSENGER COMPARTMENT JUNCTION BLOCK PNK WIRE PNK/BLK WIRE PPL PPL FTP SENS RED WIRE RED/BLK WIRE RIGHT FRONT WHEEL SENSOR (WITHOUT ABS/TCS) SENS GROUND SENS PWR SPARK PLUGS TACHOMETER TAN/BLK WIRE TRANSMISSION CONTROL MODULE (BEHIND LOWE CENTER OF DASH) W/ ABS/TCS WHEEL SPD IN A/C SIG INPUT A/C ON INPUT A/C PRESS WHT WIRE YEL WIRE YEL/WHT WIRE