Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check CAN communication line Open

Disconnect the connectors related to the CAN communication.
Ignition "ON" & Engine "OFF".
Measure resistance between High signal terminal of PCM and TCM.
Measure resistance between Low signal terminal of PCM and TCM.
Specification: Approx. 0Ω

Fig 1: Measuring Resistance Between High And Low Signal Terminal Of PCM And TCM
Courtesy of HYUNDAI MOTOR AMERICA
Is voltage within the specification?
YES
- Go to next step as below.
NO
- Repair CAN communication line for Open. And then go to "VERIFICATION OF VEHICLE REPAIR " procedure.