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Check the Power Source Circuit

  1. Disconnect the connector from the ESC control module.
  2. Turn the ignition switch ON, measure the voltage between terminal 8 of the ESC control module harness side connector and body ground.

    Specification:  approximately B+

  3. Is the voltage within specification?

    YES 

    • Check the ground circuit.

    NO 

    • Check the harness or connector between the fuse (10A) in the engine compartment junction block and the ESC control module. Repair if necessary.
Fig 1: Measuring Voltage Between Terminal 8 Of ESC Control Module Harness Side Connector And Body Ground
G06101193Courtesy of HYUNDAI MOTOR CO.
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