Kia Niro: Hybrid Control System / DC Fuse Repair procedures

Removal
  

Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

Be sure to shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.

Shut off the High Voltage circuit.

(Refer to Hybrid Control System - “High Voltage Shutoff Procedure”)

2.

Remove the air cleaner and air duct.

(Refer to Engine Mechanical System - "Air Cleaner")

3.

Disconnect the power cable (A) and inverter power cable (B).

4.

Remove the DC fuse cover (B) after loosening the mounting hexagon head bolts (A).

DC Fuse cover mounting hexagon head bolt :

4.9 - 6.9 N·m (0.5 - 0.7 kgf·m, 3.6 - 5.0 lb·ft)

5.

Remove the seal cover (B) using pliers (A).

6.

Remove the DC fuse (A) after loosening the mounting bolts.

DC Fuse mounting bolt :

9.3 - 10.4 N·m (0.95 - 1.06 kgf·m, 6.9 - 7.7 lb·ft)

Installation
  

Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

Be sure to shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.

Install the DC fuse in the reverse order of removal.

Inspection
  

Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

Be sure to shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.

Shut off the High Voltage circuit.

(Refer to Hybrid Control System - “High Voltage Shutoff Procedure”)

2.

Remove the air cleaner and air duct.

(Refer to Engine Mechanical System - "Air Cleaner")

3.

Disconnect the power cable (A) and inverter power cable (B).

4.

Remove the DC fuse cover (A) after loosening the mounting hexagon head bolts.

DC Fuse cover mounting bolt :

4.9 - 6.9 N·m (0.5 - 0.7 kgf·m, 3.6 - 5.0 lb·ft)

5.

Remove the seal cover (B) using pliers (A).

6.

Check the continuity between ends of the DC fuse.

Specification : Less than 1Ω [20°C(68°F)]

DC Fuse Schematic diagrams
Circuit Diagram ...

Low Voltage DC/DC Converter (LDC)
...

Other information:

Toyota Corolla 2019-2022 Owners Manual: Replacing the battery
► Vehicles without a smart key system 1 Remove the key cover. To prevent damage to the key, cover the tip of the flathead screwdriver with a rag. 2 Remove the battery cover. If the battery cover is difficult to remove, lift the edge to remove it. 3 Remove the depleted battery using a small flat ...

Toyota Corolla 2019-2022 Owners Manual: Selecting wheel set
Your vehicle is equipped with tire pressure warning system with the function to have ID codes registered for a second wheel set, for example a winter set, by Toyota dealer. After registration of a second wheel set, either of these two wheel sets can be selected for usage with the tire pressure wa ...

© 2016-2022 www.kniro.net