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Home >> Kia >> 2020 >> Soul GT Line Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Continuously Variable Transmission Diagnosis - 2.0L) >> DTC U0100-00: Lost Communication With ECM/PCM 'A' >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
G13292027Courtesy of KIA MOTORS AMERICA, INC.
G13292028Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Connect VMI to KDS and launch the oscilloscope (2 Channel):
  3. Ignition "ON".
PCM connector 77 (P-CAN high) Chassis ground - Fig.1
PCM connector 60 (P-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
PCM connector (component side) 77 (P-CAN high) PCM connector (component side) 60 (P-CAN low) Approx. 120Ω
ICU (component side) 12 (P-CAN high) ICU (component side) 11 (P-CAN low) Approx. 120Ω
PCM connector (component side) 77 (P-CAN high) Chassis ground - ∞ (infinity)Ω
PCM connector (component side) 60 (P-CAN low) Chassis ground -
G13292029Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

MODULE CIRCUIT INSPECTION SPECIFICATION

Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
PCM connector 64, 75, 85 (memory power) Chassis ground - B+
PCM connector 41 (ON/Start Input) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
PCM connector 1, 2, 4, 45, 46 (ground) Chassis ground - Approx. below 1Ω

Good 

No Good