Hyundai Tucson: Power Relay Assembly (PRA) - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / 48V Battery System / Power Relay Assembly (PRA) - Removal
Removal
- Remove the PRA assembly.
(Refer to 48V Battery System - "Power Relay Assembly (PRA)")
- Remove the PRA cover.
- Remove the mounting bolts and remove the power relay busbar (A).
- Disconnect the main relay connector (A).
- Remove the main relay (B).
Installation
- Install in the reverse order of removal.
Removal
- Turn ignition switch OFF and disconnect the battery (-) terminal.
- Remove the 48V battery assembly.
(Refer to 48V Battery System - "Repair procedures")
- Remove the battery cover (A) after loosening the mounting bolts.
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
- Remove the terminal capacitor (A) after loosening the mounting bolts.
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
- Remove the mounting uuts and remove the battery module (-) busbar (A).
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
- Remove the mounting nuts and remove the battery module (+) busbar (A).
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
- Remove the BMS wiring harness terminal after loosening the mounting bolts (A).
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
- Remove the 48V battery case assembly after loosening the mounting bolts (A).
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
- Disconnect the PRA extension connector (A) and the BMS & LDC connectors (B).
- Disconnect the battery temperature sensor extension connector (C).
- Disconnect the cooling blower fan connector (A).
- Remove the battery cooling blower unit (B) from the battery module (A).
Tightening torque : 5.9 - 9.8 N.m (0.6 - 1.0 kgf.m, 4.3 - 7.2 lb-ft)
Installation
- Install in the reverse order of removal.
READ NEXT:
Battery Pack Assembly Inlet Duct/ Battery Pack
Assembly Outlet Duct
Removal and
Installation
Battery Pack Assembly Inlet Duct
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Remove the luggage board (A).
Separate the inlet cooling duct (A) in the direction of the arrow.
Tigh
Battery Module Inlet Duct
Turn ignition switch OFF and disconnect the battery (-) terminal.
Remove the 48V battery assembly
(Refer to 48V Battery System - "Repair procedures")
Remove the battery cover (A) after loosening the mounting bolts.
Tightening
Battery Module Inlet B Duct
Remove the 48V battery assembly.
(Refer to 48V Battery System - "Repair procedures")
Remove the battery pack assembly inlet duct B (A) after loosening the
mounting bolts.
Install in the reverse order of removal.
Sp
SEE MORE:
Injector - Replacement
The injector combustion seal should be replaced new one to prevent leakage
after removing the injector.
1. Remove the combustion seal (A) with a wire cutter.
WARNING
Grip the sealing ring carefully, pull it to form a small loop
and t
Rear Glass Defogger
Inspection
Wrap tin foil around the end of the voltmeter test lead to prevent damaging
the heater line. Apply
finger pressure on the tin foil, moving the tin foil along the grid line to
check for open circuits.
Turn on the defogger swit
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual