Kia Niro: High Voltage Battery Control System / Main Relay (+) / (-) Schematic diagrams

Circuit Diagram

[B03-C] (Relay Control)

[B03-S] (Relay Control)

Main Relay (+) / (-) Description and operation
Description Main Relay is divided into the positive (+) relay and negative (-) relay. It is integrated into the Power Relay Assembly (PRA) and connects the power supply line and groun ...

Main Relay (+) / (-) Repair procedures
Removal    • Be sure to read and follow the “General Safety Information and Caution” ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection 1. Switch "OFF" the ignition. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1]. Specification: 2.5 - 4.0Ω [20°C(68°F)] ...

Kia Niro 2017 (DE HEV) Service Manual: Resolver Sensor Repair procedures
Inspection Hybrid Drive Motor 1. Inspect the resolver sensor resistance. Item Pin Specification Remarks Resistance (Resolver sensor) 1 - 5 ...

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