Hyundai IONIQ I (2016-2024) nca Wiring diagrams

ACC/ON INPUT BATTERY C/FAN FUSE BATTERY C/FAN RELAY BATTERY MANAGEMENT FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BMS ASSEMBLY BMS BLOWER MOTOR BMS CONTROL MODULE BRAKE SIG BRN WIRE BURGLAR ALARM RELAY BURGLAR ALARM RLY CTRL CLUSTER FUSE COMPUTER DATA LINES SYSTEM COOLING FAN RLY CTRL CRASH SIG CURRENT SENS GND CURRENT SENS GND PNK CURRENT SENS VOUT WIRE E/R JUNCTION BLOCK E/R-D FEEDBACK SIG FROM MAIN BATTERY SERVICE PLUG (DIAGRAM 5 OF 5) GRN WIRE GRN/WHT WIRE GRY WIRE H-CAN LOW HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START I/P-A I/P-C I/P-D I/P-E I/P-F IG SENSING IGPM IPS CONTROL MODULE LOCK MEMORY PWR PNK ON/START INPUT WIRE MODULE 2 FUSE MODULE 8 FUSE NCA WIRE ON/START INPUT ORG/ WIRE P-CAN HIGH P-CAN LOW P/N SW (P, N POSITION: SW CLOSE) PCB BLOCK PNK CURRENT SENS SIG WIRE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PWR PWR RLY ASSEMBLY GND RED WIRE RED/BLK WIRE RED/WHT WIRE RLY CTRL (RESET) RLY CTRL PRE RLY CTRL (SET) CURRENT SENS VOUT RLY CTRL MAIN + RLY CTRL VPD RLY GND RLY GND PNK RLY CTRL MAIN- WIRE RLY ON SIG RLY SW SIG SERVICE PLUG SIG SMART KEY CONTROL MODULE (IF EQUIPPED) (RIGHT END OF DASH) SPEED START FUSE START RLY START/STOP BUTTON SWITCH SUPPLEMENTAL RESTRAINTS SYSTEM TO MAIN BATTERY SERVICE PLUG (DIAGRAM 5 OF 5) TRANSAXLE RANGE SWITCH VF (FEEDBACK) VF (FEEDBACK) H-CAN HIGH VPD SENSOR W/ SMART KEY W/O SMART KEY W/O SMART KEY WHT WIRE WHT YEL/ WIRE YEL WIRE YEL/BLK WIRE YEL/ORG WIRE

BLK WIRE BLK/ORG WIRE BLU WIRE BLU/ORG WIRE BRAKE LIGHT SW BRAKE SWITCH FUSE BRAKE TEST SW BRN WIRE CAMSHAFT POSITION SENSOR 1 (INTAKE) CAMSHAFT POSITION SENSOR 2 (EXHAUST) CLUSTER FUSE CMPS (EXHAUST) GND CMPS (EXHAUST) SIG CMPS (INTAKE) GND GND CMPS (INTAKE) SIG ECM (LEFT REAR OF ENGINE COMPT) ETC MOTOR (-) GND ETC MOTOR, +/- ETC MOTOR, THROTTLE POSITION SENSOR GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START IGPM I/P-A I/P-C I/P-D I/P-F INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR GND 1 (-) INJECTOR GND 2 (-) INJECTOR GND 3 (+) INJECTOR GND 4 (-) INJECTOR GND 4 (-) ENGINE RPM OUTPUT IPS CONTROL MODULE KNOCK SENSOR GND KNOCK SENSOR SHIELD KNOCK SENSOR SIG MODULE 1 FUSE MODULE 3 FUSE MOTOR MOTOR (-) TPS PWR NCA WIRE NERNST VOLTAGE ORG/ WIRE OXYGEN SENSOR (DOWN) OXYGEN SENSOR (UP) PNK WIRE PNK/BLK WIRE PUMPING CURRENT RED WIRE RED/BLK WIRE RED/ORG WIRE RPS GND RPS POWER RPS SIG SENS GND SENS SIG SIG STOP LAMP SIG THROTTLE POSITION SENSOR TOP OF ENGINE) TPS 1 SIG TPS 2 SIG TRIM RESISTOR VIRTUAL GND WHT WIRE WIPER SW INPUT WIPER/WASHER SYSTEM YEL WIRE YEL/ORG WIRE

BCM BLK WIRE BLK/ORG WIRE BLU WIRE BLU/ORG WIRE BRAKE LIGHT SW BRAKE LT SIG BRAKE TEST SW BRN WIRE C-CAN TRANSCEIVER CHECK ENGINE IND COMPUTER DATA LINES SYSTEM FLOAT EMPTY FPS GND FPS SIG FUEL FUEL LEVEL FUEL PRESSURE SENSOR FUEL RAIL PRESSURE SENSOR FUEL SENDER GND SIG 1 GRN WIRE GRY WIRE GRY/BLK WIRE HPCU HYBRID POWER CONTROL UNIT IBAU (INTEGRATED BRAKE ASSIST UNIT) INSTRUMENT CLUSTER KNOCK SENSOR LAMP SW MICOM NATURAL VACUUM LEAK DETECTION NCA WIRE O/P (FR) ON/START IN ORG/ WIRE P-CAN HIGH P-CAN LOW PNK MEMORY PWR WIRE PNK WIRE PNK/BLK WIRE PWR RED WIRE RED/ORG WIRE RIGHT END OF DASH) SIG STOP STOP LAMP SWITCH STOP SIG USED) W/ 4.3 INCH TFT LCD W/ 4.3 INCH TFT LCD W/ 7 INCH TFT LCD WHEEL SENS WHT WIRE YEL WIRE YEL/ORG WIRE

APT GND B+5 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BRAKE SW SIG BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL COOLING FANS E/R JUNCTION BLOCK ECM (LEFT REAR OF ENGINE COMPT) EMS EMS COM ENGINE COOLANT ENGINE RPM FTPS GND FTPS SIG FUEL PUMP FUSE FUEL PUMP RELAY FUEL TANK LEVEL SENDER GRN WIRE GRY WIRE H-CAN LOW HOT AT ALL TIMES IC IGNITER IGN COIL CTRL CYL 1 IGN COIL CTRL CYL 2 IGN COIL CTRL CYL 3 IGN COIL CTRL CYL 4 IGNITION COIL 1 IGNITION COIL 4 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 1 IMMO COMMUNICATION IMMOBILIZER MODULE LIN COMMUNICATION LINE MEMORY PWR MULTI FUSE 1 NCA WIRE NVLD DATA LINE OCV EXHAUST ORG/ WIRE P-CAN LOW PCSV GND RED WIRE RIGHT END OF DASH) SENS HEATER SENSOR (REAR OF ENGINE) SMART KEY CONTROL MODULE SYSTEM TEMPERATURE VEHICLE SPD W/ IMMOBILIZER W/O IMMOBILIZER W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK WIRE WTS GND WTS SIG YEL WIRE YEL/ORG WIRE

BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BRN WIRE CELL MONITORING UNIT 6 OPD HI CELL MONITORING UNIT 6 OPD LI CELL MONITORING UNIT 6 RXNL CELL MONITORING UNIT 6 RXPL CELL MONITORING UNIT 6 TXNL CELL MONITORING UNIT 6 TXPL CELL MONITORING UNIT 7 CELL MONITORING UNIT 7 OPD HI CELL MONITORING UNIT 7 OPD LI CELL MONITORING UNIT 7 RXNL CELL MONITORING UNIT 7 RXPL CELL MONITORING UNIT 7 TXNL CELL MONITORING UNIT 7 TXPL CELL MONITORING UNIT 8 CELL MONITORING UNIT 8 OPD HO CELL MONITORING UNIT 8 OPD LO CELL MONITORING UNIT 8 RXNH CELL MONITORING UNIT 8 RXPH CELL MONITORING UNIT 8 TXNH CELL MONITORING UNIT 8 TXPH CELL MONITORING UNIT 9 OPD HO CELL MONITORING UNIT 9 OPD LO CELL MONITORING UNIT 9 RXNH CELL MONITORING UNIT 9 RXPH CELL MONITORING UNIT 9 TXNH CELL MONITORING UNIT 9 TXPH EV BATT MOD 13/14 TEMP GND EV BATT MOD 13/14 TEMP SIG EV BATTERY MODULE 13 EV BATTERY MODULE 14 EV BATTERY MODULE 15 EV BATTERY MODULE 16 EV BATTERY MODULE TEMPERATURE SENSOR 7 FROM BMS CONTROL MODULE (DIAGRAM 7 OF 12) FROM HIGH VOLTAGE CABLE CONNECTED SENSOR (DIAGRAM 5 OF 12) GRN WIRE GRN/ORG WIRE GRY WIRE MAIN BATTERY PACK NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE RED/BLK WIRE RED/ORG WIRE SENS GND SENS SIG TEMP TO EV BATTERY MODULE 17 (DIAGRAM 11 OF 12) WHT WIRE YEL/GRN WIRE

BCM BLK WIRE BLK/ORG WIRE BLU WIRE BRN WIRE C-CAN HIGH C-CAN LOW CHARGE CONN DR SW CHARGE CONNECTOR DOOR SWITCH CHARGE CONNECTOR RESISTOR CHARGER LAMP COMPUTER DATA LINES SYSTEM EV FUSE FROM EV BATTERY MODULE 24 (DIAGRAM 12 OF 12) FUSE GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE H-CAN HIGH H-CAN LOW MAIN BATTERY PACK MAIN NEGATIVE RELAY MAIN POSITIVE RELAY NCA WIRE OBC (+) RELAY ORG/ WIRE PNK WIRE POWER RELAY ASSEMBLY PRE CHARGE RELAY PRE-CHARGE RESISTOR RED WIRE RED/WHT WIRE RIGHT END OF DASH) TO BMS CONTROL MODULE (DIAGRAM 7 OF 12) TO HIGH VOLTAGE CABLE CONNECTED SENSOR (DIAGRAM 5 OF 12) WHT WIRE

BATT VOLT SENS MOD 1 BATT VOLT SENS MOD 12 BATT VOLT SENS MOD 13 BATT VOLT SENS MOD 24 BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BMS CONTROL MODULE BMS CONTROL MODULE OPD HI BMS CONTROL MODULE OPD LI BMS CONTROL MODULE RXNL BMS CONTROL MODULE RXPL BMS CONTROL MODULE TXNL BMS CONTROL MODULE TXPL BRN WIRE CELL MONITORING UNIT 1 CELL MONITORING UNIT 1 OPD HI CELL MONITORING UNIT 1 OPD LI CELL MONITORING UNIT 1 RXNH CELL MONITORING UNIT 1 RXNL CELL MONITORING UNIT 1 RXPH CELL MONITORING UNIT 1 RXPL CELL MONITORING UNIT 1 TXNH CELL MONITORING UNIT 1 TXNL CELL MONITORING UNIT 1 TXPH CELL MONITORING UNIT 1 TXPL CELL MONITORING UNIT 2 CELL MONITORING UNIT 2 OPD HO CELL MONITORING UNIT 2 OPD LO CELL MONITORING UNIT 2 RXNH CELL MONITORING UNIT 2 RXPH CELL MONITORING UNIT 2 TXNH CELL MONITORING UNIT 2 TXPH CELL MONITORING UNIT 3 OPD HO CELL MONITORING UNIT 3 OPD LO CELL MONITORING UNIT 3 RXNH CELL MONITORING UNIT 3 RXPH CELL MONITORING UNIT 3 TXNH CELL MONITORING UNIT 3 TXPH EV BATT MOD 3/4 TEMP GND EV BATT MOD 3/4 TEMP SIG EV BATTERY MODULE 1 EV BATTERY MODULE 2 EV BATTERY MODULE 3 EV BATTERY MODULE 4 EV BATTERY MODULE TEMPERATURE SENSOR 2 FROM BMS CONTROL MODULE (DIAGRAM 5 OF 12) FROM EV BATTERY MODULE 12 (DIAGRAM 9 OF 12) FROM HIGH VOLTAGE CABLE CONNECTED SENSOR (DIAGRAM 5 OF 12) FROM POWER RELAY ASSEMBLY (DIAGRAM 4 OF 12) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY WIRE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/ORG WIRE SENS GND SENS SIG SUB BATTERY PACK TEMP TO EV BATTERY MODULE 13 (DIAGRAM 10 OF 12) TO EV BATTERY MODULE 5 (DIAGRAM 8 OF 12) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BRN WIRE CELL MONITORING UNIT 2 OPD HI CELL MONITORING UNIT 2 OPD LI CELL MONITORING UNIT 2 RXNL CELL MONITORING UNIT 2 RXPL CELL MONITORING UNIT 2 TXNL CELL MONITORING UNIT 2 TXPL CELL MONITORING UNIT 3 CELL MONITORING UNIT 3 OPD HI PNK CELL MONITORING UNIT 5 OPD HO WIRE CELL MONITORING UNIT 3 OPD LI CELL MONITORING UNIT 3 RXNL CELL MONITORING UNIT 3 RXPL CELL MONITORING UNIT 3 TXNL CELL MONITORING UNIT 3 TXPL CELL MONITORING UNIT 4 CELL MONITORING UNIT 4 OPD HO CELL MONITORING UNIT 4 OPD LO CELL MONITORING UNIT 4 RXNH CELL MONITORING UNIT 4 RXPH CELL MONITORING UNIT 4 TXNH CELL MONITORING UNIT 4 TXPH CELL MONITORING UNIT 5 OPD LO CELL MONITORING UNIT 5 RXNH CELL MONITORING UNIT 5 RXPH CELL MONITORING UNIT 5 TXNH CELL MONITORING UNIT 5 TXPH EV BATT MOD 5/6 TEMP GND EV BATT MOD 5/6 TEMP SIG EV BATTERY MODULE 5 EV BATTERY MODULE 6 EV BATTERY MODULE 7 EV BATTERY MODULE 8 EV BATTERY MODULE TEMPERATURE SENSOR 3 FROM BATTERY CURRENT SENSOR (DIAGRAM 5 OF 12) FROM EV BATTERY MODULE 4 (DIAGRAM 7 OF 12) GRN/ORG WIRE GRY WIRE NCA WIRE ORG/ WIRE PNK WIRE RED/BLK WIRE RED/ORG WIRE SENS GND SENS SIG SUB BATTERY PACK TEMP TO BATTERY CURRENT SENSOR (DIAGRAM 5 OF 12) TO EV BATTERY MODULE 9 (DIAGRAM 9 OF 12) WHT WIRE YEL/GRN WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BRN WIRE CELL MONITORING UNIT 4 OPD HI CELL MONITORING UNIT 4 OPD LI CELL MONITORING UNIT 4 RXNL CELL MONITORING UNIT 4 RXPL CELL MONITORING UNIT 4 TXNL CELL MONITORING UNIT 4 TXPL CELL MONITORING UNIT 5 CELL MONITORING UNIT 5 OPD HI CELL MONITORING UNIT 5 OPD LI CELL MONITORING UNIT 5 RXNL CELL MONITORING UNIT 5 RXPL CELL MONITORING UNIT 5 TXNL CELL MONITORING UNIT 5 TXPL CELL MONITORING UNIT 6 CELL MONITORING UNIT 6 OPD HO CELL MONITORING UNIT 6 OPD LO CELL MONITORING UNIT 6 RXNH CELL MONITORING UNIT 6 RXPH CELL MONITORING UNIT 6 TXNH CELL MONITORING UNIT 6 TXPH CELL MONITORING UNIT 7 OPD HO CELL MONITORING UNIT 7 OPD LO CELL MONITORING UNIT 7 RXNH CELL MONITORING UNIT 7 RXPH CELL MONITORING UNIT 7 TXNH CELL MONITORING UNIT 7 TXPH EV BATT MOD 11/12 TEMP GND EV BATT MOD 11/12 TEMP SIG EV BATTERY MODULE 10 EV BATTERY MODULE 11 EV BATTERY MODULE 12 EV BATTERY MODULE 9 EV BATTERY MODULE TEMPERATURE SENSOR 6 FROM EV BATTERY MODULE 8 (DIAGRAM 8 OF 12) GRN/ORG WIRE GRY WIRE NCA WIRE ORG/ WIRE PNK WIRE RED/BLK WIRE RED/ORG WIRE SENS GND SENS SIG SUB BATTERY PACK TEMP TO BMS CONTROL MODULE (DIAGRAM 7 OF 12) TO SERVICE PLUG (DIAGRAM 5 OF 12) WHT WIRE YEL/GRN WIRE

AMS FUSE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/ORG WIRE BRAKE LIGHT SW BRAKE SWITCH FUSE BRAKE TEST SW BRN WIRE CAMSHAFT POSITION SENSOR 1 (INTAKE) CAMSHAFT POSITION SENSOR 2 (EXHAUST) CLUSTER FUSE CMPS (EXHAUST) GND CMPS (EXHAUST) SIG CMPS 1 (INTAKE) GND GND CMPS 1 (INTAKE) SIG ECM (LEFT REAR OF ENGINE COMPT) ETC MOTOR (-) GND ETC MOTOR, +/- ETC MOTOR, THROTTLE POSITION SENSOR GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START IGPM I/P-A I/P-C I/P-F INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR GND 1 (-) INJECTOR GND 2 (-) INJECTOR GND 3 (+) INJECTOR GND 4 (-) INJECTOR GND 4 (-) ENGINE RPM OUTPUT IPS CONTROL MODULE KNOCK SENSOR GND KNOCK SENSOR SHIELD KNOCK SENSOR SIG MODULE 3 FUSE MOTOR MOTOR (-) TPS PWR NCA WIRE NERNST VOLTAGE ORG/ WIRE OXYGEN SENSOR (DOWN) OXYGEN SENSOR (UP) PNK WIRE PNK/BLK WIRE PUMPING CURRENT RED WIRE RED/BLK WIRE RED/ORG WIRE RPS GND RPS POWER RPS SIG SENS GND SENS SIG SIG STOP LAMP SIG THROTTLE POSITION SENSOR TOP OF ENGINE) TPS 1 SIG TPS 2 SIG TRIM RESISTOR VIRTUAL GND WAKEUP SIG WHT WIRE WIPER SW INPUT WIPER/WASHER SYSTEM YEL WIRE YEL/ORG WIRE