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Home >> Kia >> 2017 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC U0164-00: Lost Communication With HVAC Control Module (FATC CAN Time Out) (C-CAN) >> Wiring Inspection >> Module Power Circuit Inspection
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Module Power Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect FATC connectors.
  3. Ignition "ON".
  4. Measure voltage between Pin No. 12 (Memory Power) terminal of FATC connector and chassis ground.
  5. Measure voltage between Pin No. 23 (ON/START Input) terminal of FATC connector and chassis ground.
  6. Measure voltage between Pin No. 24 (ON Input) terminal of FATC connector and chassis ground.

    Specification:  B+

  7. Is the measured value within specification?

    YES 

    NO