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Sonata (2.5L)

  1. Remove ECM control relay which is mounted to right side of instrument panel center support, under radio. Using a fused jumper wire, apply battery voltage to relay terminal No. 4. Using another jumper wire, ground relay terminal No. 2. See Fig 1.
  2. With relay energized, check for continuity between relay terminals No. 1 and 5. Continuity should exist until voltage is disconnected. Replace relay if continuity does not exist.
Fig 1: Identifying ECM Control Relay Terminals
G95H30962Courtesy of HYUNDAI MOTOR CO.
Fig 2: Identifying ECM Control Relay 8-Pin Connector
G99A03471Courtesy of HYUNDAI MOTOR CO.
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