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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) >> DTC C1542-01: Brake Switch Circuit Error >> Wiring Inspection >> Power Circuit Inspection

Power Circuit Inspection

  1. IG "OFF" & Disconnect Stop lamp Switch connector.
  2. IG "ON"
  3. Measure voltage between Pin No. 1 (or No. 3) power terminal of Stop lamp Switch harness connector and chassis ground.

    Specification:  Approx. 12V

  4. Is the measured value within specifications?

    YES 

    NO