Nexon EV Fuse Boxes Diagram and locations
Where the fuse box located?
There are three fuse boxes in the Tata Nexon EV:
- Battery mounted fuse box: Mounted on 12V Auxiliary Battery under front bonnet.
- Motor Compartment Fuse Box: Located under the bonnet on the left hand side of the vehicle behind the 12V battery.
- Cabin Compartment Fuse Box: Located inside the cover below steering column.
1. Battery mounted fuse box:
This particular fuse box is mounted on the 12V Auxiliary Battery located under the front bonnet of the Tata Nexon EV . It is covered by a red plastic cover.
2. Motor Compartment Fuse Box
The motor compartment fuse box in the Tata Nexon EV is situated under the hood on the left side of the vehicle, behind the 12V battery.
3. Cabin Compartment Fuse Box
The fuse box is located inside the cover below the steering column. To access the fuse box, you need to remove the cover.
Nexon EV Diagram
Motor Compartment Fuse Box:
Fuse Box Diagram:
Fuse Details
| Fuse | Fuse Function | Problems, if blown or malfunction |
| EF1 | SUPPLY CABIN FUSE BOX-1 | |
| EF2 | ABS ECU | ABS warning light ON |
| EF3 | SPARE | |
| EF4 | COOLING FAN | |
| EF5 | EV POWERTRAIN | |
| EF6 | COOLING FAN | |
| EF7 | SUPPLY CABIN FUSE BOX-2 | |
| EF8 | VACCUM PUMP | |
| EF9 | SPARE | |
| EF10 | IGN LOADS | |
| EF11 | EPAS | |
| EF12 | VCU KP SUPPLY_BATT | |
| EF13 | MAIN RELAY | |
| EF14 | ABS ECU | ABS warning light ON |
| EF15 | HEAD LAMP LOW | Head lamp low beam won’t work |
| EF16 | BLOW HORN | Horn won’t work. |
| EF17 | SAPRE | |
| EF18 | RNDS SWITCH/CHARGING GUN | Nexon EV won’t charge. Read more about Nexon EV won’t charge |
| EF19 | HEAD LAMP HIGH BEAM | Head lamp high beam won’t work |
| EF20 | BMS POWER _BATT | |
| EF21 | BLOW BRAKE SW | |
| EF22 | HV BATTERY COOLING PUMP_BATT | Nexon EV HV battery overheat and may not charging. Read more about Nexon EV won’t charge |
| EF23 | CHILLER SOENOID | |
| EF24 | REVERSE LAMP | |
| EF25 | E-DRIVE BATT | |
| EF26 | ITS | |
| EF27 | OBD_BATT | |
| EF28 | EVAPORATOR SOLENOID | |
| EF29 | DC-DC CONVERTER_BATT | |
| EF38 | VCU | |
| EF39 | PT RELAY CONTROL | |
| EF40 | OBC_BATT | |
| EF41 | PDU | |
| EF42 | ABS ECU | ABS warning light ON |
| EF43 | WIPER MOTOR | |
| EF44 | COMPRESSOR _BATT | |
| EF45 | REAR WIPER MOTOR | |
| EF46 | TRACTION COOLANT PUMP_BATT |
Nexon EV Relay Details
| Relay | Relay Function | Problems, if malfunction |
| R1 | SPARE | |
| R2 | SPARE | |
| R3 | HV BATT KP ALIVE RELAY | |
| R4 | VCU MAIN RELAY | |
| R5 | COOLING FAN SLOW | |
| R6 | COOLING FAN FAST1 | |
| R7 | INT WIPE (ON/OFF) | |
| R8 | COOLING PUMP_BATT | |
| R9 | SPARE | |
| R10 | COOLING FAN FAST2 | |
| R11 | SPARE | |
| R12 | E-DRIVE BATTERY SUPPLY RLY | |
| R13 | HEAD LAMP LOW BEAM | |
| R14 | HEAD LAMP HIGH BEAM | |
| R15 | REAR WIPER MOTOR | |
| R16 | HORN | |
| R17 | IGNITION | |
| R18 | FRONT WIPER MOTOR SPEED | |
| R19 | REVERSE LAMP RELAY |
Cabin Compartment Fuse Box :
Fuse Box Diagram:
Fuse Details
| No. | Fuse Function | Problem, if blown |
| F1 | BCM # 1 | |
| F2 | ACC/OBD BATT | |
| F3 | REAR POWER SOCKET | |
| F4 | BLOW BCM # 2 | |
| F5 | BCM # 3 | |
| F6 | BLOWER | |
| F7 | MIRROR ADJUST MOTORS | |
| F8 | POWER SOCKET 1 | |
| F9 | SUNROOF | |
| F10 | RESTRAINTS CONTROL MODULE | |
| F11 | EPAS | |
| F12 | IGNITION | |
| F13 | PEPS | |
| F14 | CDL ACTUATOR | |
| F15 | CLUSTER | |
| F16 | TAILGATE RELEASE MOTOR | |
| F17 | PDC IGN/RPAS | |
| F18 | HVAC | |
| F19 | HEATED REAR SCREEN | |
| F20 | BLOW PEPS ECU |
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
