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Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different car >> Section 254 (Dual Clutch Transmission Diagnosis (2 Of 2) - 1.6L) >> DTC U1117-88: High Speed CAN 2 Communication (EMS - DCT) >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

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.
Item Normal Value Prerequisite Condition Probe (+) Probe (-)
Power Circuit (Open/Short): Voltage B+
  1. ECM connector: Disconnected
  2. Ignition: ON
ECM power terminal Chassis ground
Ground Circuit (Open): Resistance Approx. below 1Ω
  1. Ignition: OFF
  2. ECM connector: Disconnected
ECM ground terminal Chassis ground
  1. Is the result within specifications?

    YES 

    • Go to next procedure.

    NO