Hyundai Ioniq: Hybrid Motor Control System / Resolver Sensor. Repair procedures
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".) |
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

Description•
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Air bag warning labels, required by the U.S. National Highway Traffic Safety
Administration (NHTSA), are attached to alert the driver and passengers of potential
risks of the air bag system. Be sure to read all of the information about the air
bags that are installed on your vehicle in this Owners Manual.
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