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Home >> Hyundai >> 2017 >> Ioniq Electric >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (HEV Motor Control System Diagnosis) >> DTC P0DFB: Generator Position Exceeding Learn Limit >> DTC Inspection >> Current data Analysis

Current data Analysis

WARNING: This page is about a different variant/trim than selected.
  1. IG key "ON"/Ready, Transmission Shift Lever "P" range.
  2. Select "Current Data" with GDS.
  3. Operate the vehicle within DTC Enable conditions in General information.
  4. Monitor "Generator (HSG) Resolver Offset" parameter.

    Reference Data 

    GENERATOR (HSG) RESOLVER OFFSET REFERENCE

    Normal  □ Generator (HSG) Resolver Offset: 6.00rad~6.53rad
    Not Learned  □ Generator (HSG) Resolver CAL Command: ON
    Abnormal  □ Generator (HSG) Resolver Mal Counter: Over "1"
  5. Is the displayed current data normal?

    YES 

    • Perform "Motor/HSG Resolver Calibration" procedure in "HCU/LDC" system →"Vehicle S/W Management"

    NO 

    • Substitute with a known-good HSG* and then check for proper operation.

      → If the problem is corrected, replace HSG*.

      → Go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NOTE: HSG*: "HYBRID STARTER & GENERATOR MOTOR"
NOTE: After HPCU is replaced or reinstalled, must perform the following.
  • Perform "Motor/HSG Resolver Calibration" procedure in "HCU/LDC" system →"Vehicle S/W Management"
  • Fill the coolant, and then perform "Actuation Test" → [EWP Actuation] and circulate the coolant.
WARNING: Non-compliance with the following instructions can induce death or injury caused by electric shock.
  • Carefully read and follow service information instructions.
  • Wear insulated gloves, safety glasses and use insulated tools for your safety.
  • Turn the ignition switch off and Disconnect ground cable of auxiliary battery and Remove the safety plug.
  • Wait for more than 5 minutes so that the inverter capacitor can be naturally discharged.
  • Check high voltage terminal on Power Relay Assembly is lower than 30V.