Monitor SCANTOOL Data

Connect scantool to data link connector (DLC).
Engine "ON".
Monitor the "CAN COMMUNICATION SERVICE DATA (ENGINE RPM, VEHICLE SPEED SENSOR, THROTTLE P. SENSOR)" parameters on the scantool.

Fig 1: Scan Tool Data Display - CURRENT DATA
Courtesy of HYUNDAI MOTOR CO.

Does "CAN BUS LINE DATA" follow the reference data?

Yes:
- Fault is intermittent caused by poor contact in the sensor's and/or PCM/TCM's connector or was repaired and PCM/TCM memory was not cleared. And go to VERIFICATION OF VEHICLE REPAIR procedure.
No:
- Go to W/Harness Inspection procedure.