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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0335: Crankshaft Position Sensor 'A' Circuit >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Check for open or short to ground in signal circuit
    1. Ignition "ON" & Engine "OFF"
    2. Measure voltage between signal terminal of CKPS harness connector and chassis ground

      Specification:  Approx. 5V

      Fig 1: Measuring Voltage Between Signal Terminal Of CKPS Harness Connector And Chassis Ground
      G10606608Courtesy of HYUNDAI MOTOR AMERICA
    3. Is voltage within the specification?

      YES 

      • Go to next step as below

      NO 

  2. Check for short to power in signal circuit
    1. Ignition "OFF"
    2. Disconnect PCM connector
    3. Ignition "ON" & Engine "OFF"
    4. Measure voltage between signal terminal of CKPS harness connector and chassis ground.

      Specification:  Approx. 0V

      Fig 2: Measuring Voltage Between Signal Terminal Of CKPS Harness Connector And Chassis Ground
      G10606609Courtesy of HYUNDAI MOTOR AMERICA
    5. Is voltage within the specification?

      YES 

      • Go to next step as below

      NO