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Home >> Kia >> 2024 >> Telluride SX X-Line >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (11 Of 13) >> DTC P0638-00: Throttle Actuator Control Range/Performance (Bank 1) >> Wiring Inspection >> Basic Inspection >> Inspection Procedure

Inspection Procedure

  1. Check fuses and relays.
  2. Check battery terminals and charge status.
  3. Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

    Good 

    • Go to "CIRCUIT INSPECTION" procedure.

    No Good 

G15725998Courtesy of KIA MOTORS AMERICA, INC.
G15725999Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
ETC connector 2 (ETC +) Chassis ground - Approx. 1.87V
ETC connector 1 (ETC -) Chassis ground - Approx. 0.09V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component and ECM.
ETC connector 2 (ETC +) Chassis ground - ∞ (infinity)Ω
ETC connector 1 (ETC -) Chassis ground - ∞ (infinity)Ω
ETC connector 2 (ETC +) ECM connector 40 (ETC +) Approx. below 1Ω
ETC connector 1 (ETC -) ECM connector 19 (ETC -) Approx. below 1Ω
ETC connector 2 (ETC +) TPS connector 1 (ETC -) ∞ (infinity)Ω

Good 

No Good