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Home >> Kia >> 2020 >> Optima LX >> Repair and Diagnosis >> External Pages >> Different car >> Section 517 (Double Clutch Transmission Diagnosis - 1.6L (4 Of 4)) >> DTC U1117-88: High Speed CAN2 Communication (EMS-DCT) >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
G13506123Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "ON".
TCM connector 24 (CCP-CAN high) Chassis ground - Fig.1
TCM connector 23 (CCP-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
ECM (component side) 84 (CCP-CAN high) ECM (component side) 62 (CCP-CAN low) Approx. 120Ω
TCM (component side) 24 (CCP-CAN high) TCM (component side) 23 (CCP-CAN low) Approx. 120Ω
G13506124Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

Module Circuit Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
ECM connector 4, 7 (memory power) Chassis ground - Approx. 12V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
ECM connector 1, 2, 3 (ground) Chassis ground - Approx. below 1Ω
  1. Ignition "OFF".
  2. Disconnect battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
TCM connector 24 (CCP-CAN high) ECM connector 84 (CCP-CAN high) Approx. below 1Ω
  1. Ignition "OFF".
  2. Disconnect battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
TCM connector 23 (CCP-CAN low) ECM connector 62 (CCP-CAN low) Approx. below 1Ω

Good 

No Good