Component Inspection

IG "OFF".
Disconnect ECM/PCM harness connector.
Short terminal 53/C01-1 (94/C01) of PCM (ECM) harness connector to ground.
Specification: Fuel filler cap lamp ON

PCM A/T

Fig 1: Connecting Short Terminal 53/C01-1 To Ground
Courtesy of HYUNDAI MOTOR CO.

ECM M/T

Fig 2: Connecting 94/C01 Of PCM (ECM) Harness Connector To Ground
Courtesy of HYUNDAI MOTOR CO.
Is the Fuel filler cap warning lamp turned on normally?
YES
- Substitute with a known - good ECM/PCM and check for proper operation. If the problem is corrected, replace ECM/PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- 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.