Component Inspection

IG "OFF".
Disconnect PCM harness connector.
Short terminal 7/C01-2 (94/C01) of PCM (ECM) harness connector to ground.
1. Specification : Fuel filler cap lamp ON.
  
  Fig 1: Identifying Fuel Filler Cap Lamp Location
  Courtesy of HYUNDAI MOTOR CO.
  
  Fig 2: Shorting Terminal 7/C01-2 Of PCM Harness Connector To Ground
  Courtesy of HYUNDAI MOTOR CO.
  
  Fig 3: Shorting Terminal 94/C01 Of ECM Harness Connector To Ground
  Courtesy of HYUNDAI MOTOR CO.
Is the Fuel filler cap warning lamp turned on normally?
YES
1. Substitute with a known - good PCM and check for proper operation.
  If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
1. Substitute with a known - good instrument cluster and check for proper operation.
  If the problem is corrected, replace instrument cluster and go to "VERIFICATION OF VEHICLE REPAIR " procedure.