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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Air Conditioning System Diagnosis) >> DTC B1685-88: Engine RPM Fault - CAN Signal >> DTC Information And Inspection >> Monitor Current Data

Monitor Current Data

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect GDS to Data Link Connector (DLC).
  2. Diagnose the engine.
  3. Check if there is any DTC related to the engine RPM, inspect this first. Then, see if the DTC is cleared.
  4. If no relevant DTC exist, select the "Engine RPM" parameter on the "Current data" of the GDS.
  5. Check whether the RPM changes as changing the RPM value.

    Check If The Engine RPM Changes As The Engine Speed Does. 

  6. Is the parameter within the specification?

    YES 

    • Go to next procedure.

    NO 

    • Inspect circuits and components related to the Engine RPM. Repair or replace relevant component (s) as necessary and then go to "VERIFICATION OF VEHICLE REPAIR ".
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