LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (Except HEV) >> DTC C1501-01: Switch Failure >> Component Inspection

Component Inspection

Check EPB Switch 

  1. Ignition "OFF".
  2. Disconnect EPB Switch.
  3. Measure resistance between EPB Switch terminals.

    Specification:  Refer the specification

    Measure EPB Switch EPB Switch pushed EPB Switch pulled
    M1 Measure SW1 & SW4 Connected Not connected
    M2 Measure SW2 & SW3 Not connected Connected
  4. Is the measured Valule within specification?

    YES 

    • This fault may be intermittently caused by poor connection in the EPB switch. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    • This DTC may be intermittently caused by an unusual operation of EPB switch. (Switch is controlled too much, pulled or pushed for 90 seconds or pulled/pushed slowly)

    NO 

    • Substitute with a known-good EPB Switch and check for proper operation. If problem is corrected, replace EPB Switch and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.