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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC/AHB Diagnosis (HEV) >> DTC C1287-02: Brake Fluid Level Fail >> Wiring Inspection >> Signal Circuit inspection

Signal Circuit inspection

  1. IG "OFF" & Disconnect Brake fluid level sensor connector.
  2. Measure resistance between Pin No. 2 (signal) terminal of Brake fluid level sensor harness connector and chassis ground.

    Specification:  ∞

  3. Is the measured value within specifications?

    YES 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace Brake fluid level sensor and then go to "System Inspection" procedure.

    NO