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CAN Communication Circuit Inspection

WARNING: This page is about a different car, the 2015 Kia Soul EV. However, it is still accessible from the selected car via links, so may be relevant.

■ Check For Open In Harness 

  1. Ignition "OFF".
  2. Disconnect safety plug from the main battery (Wait for 15 minutes after OFF).
  3. Disconnect FATC and EPCU main harness connector.
  4. Measure resistance between Pin No. 10 (C-CAN-HIGH) terminal of EPCU harness connector and Pin No. 3 (C-CAN-HIGH) terminal of FATC harness connector.
  5. Measure resistance between Pin No. 9 (C-CAN-LOW) terminal of EPCU harness connector and Pin No. 4 (C-CAN-LOW) terminal of FATC harness connector.

    Specification:  Approx. 1Ω

  6. Is the measured resistance within specification?

    YES 

    • Check Each Module connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification Of Vehicle Repair " procedure.

    NO 

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