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Power Transistor

  1. Disconnect connector from power transistor. To check power transistor for cylinders No. 1 and 4, apply 1.5 volts between power transistor terminals No. 3 (negative) and No. 4 (positive). See Fig 1 .
  2. Using analog ohmmeter, check continuity between terminals No. 3 (positive lead) and No. 5 (negative lead). With voltage applied to terminal No. 4, continuity should exist. With voltage removed from terminal No. 4, continuity should not exist.
  3. To check power transistor for cylinders No. 2 and 3, apply 1.5 volts between power transistor terminals No. 2 (positive) and No. 3 (negative). Using analog voltmeter, check for continuity between terminals No. 1 (negative lead) and No. 3 (positive lead). With voltage applied to terminal No. 2, continuity should exist. With voltage removed from terminal No. 2, continuity should not exist.
Fig 1: Checking Power Transistor
G92E24921Courtesy of HYUNDAI MOTOR CO.
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