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Power Circuit Inspection

WARNING: This page is about a different car, the 2018 Kia Forte5 and 2018 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.

■ Power Inspection 

  1. IG "ON" & ENG "OFF".
  2. Measure the power voltage of "Rear left side sensor" at SJB (Smart Junction Box)

    Specification:  Approx. 12V

  3. Is the signal output normal?

    YES 

    • Go to "Ground Inspection" procedure below.

    NO 

    • Thoroughly check fuses or 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.

■ Ground Inspection 

  1. IG "ON" & ENG "OFF".
  2. Measure voltage between power voltage of "Rear left side sensor" and ground terminal of "Rear left side sensor" at SJB (Smart Junction Box).

    Specification:  Approx.12V

  3. Is the signal output normal?

    YES 

    • Go to 'Inspection of LIN communication line between Rear left side sensor and BCM [PAS (Parking Assist System)] below.

    NO 

    • Check a circuit between Rear left side sensor and chassis ground and poor connection. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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