Hyundai Ioniq (AE): Hybrid Motor Control System / Resolver Sensor. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Motor System / Hybrid Motor Control System / Resolver Sensor. Repair procedures

Inspection
1.
Check the resolver sensor resistance.
[Hybrid drive motor]
Measuring equipment: Multimeter
Category
Inspection area
Inspection criteria
Remarks
Resistance
(Resolver
sensor)
Pin 1 - 5
11.7 Ω ± 10%
(10.5 - 12.9 Ω)
Based on ambient temperature (20°C)
Pin 2 - 6
32 Ω ± 10%
(28.8 - 35.2 Ω)
Pin 3 - 7
32 Ω ± 10%
(28.8 - 35.2 Ω)

[Hybrid starter generator (HSG)]
Measuring equipment: Multimeter
Category
Inspection area
Inspection criteria
Remarks
Resistance
(Resolver
sensor)
Pin 1 - 6
15.8 ± 2Ω
Based on ambient temperature (23°C)
Pin 2 - 7
28.2 ± 2Ω
Pin 3 - 8
28.2 ± 2Ω

2.
If you need to replace the resolver sensor, replace the HSG assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Starter Generator".)
Removal
   
You need to perform resolver compensation whenever the engine, HPCU (inverter), drive motor, or starter generator (HSG) is replaced, removed, or reinstalled.
Perform compensation according to the GDS motor/HSG resolver compensation procedure shown below.
GDS Motor / HSG Resolver Compensation Procedure

    Circuit DiagramResolver sensor (hybrid drive motor)Resolver sensor (HSG)

    Description• Motor temperature affects the motor power significantly.• If the motor overheats, its main components, including permanent magnet, stator coil, etc.

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