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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Engine Control System Diagnosis - 2.0L (5 Of 6)) >> DTC P0557-00: Brake Booster Pressure Sensor Circuit Low Input >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
G13506761Courtesy of KIA MOTORS AMERICA, INC.
G13506762Courtesy of KIA MOTORS AMERICA, INC.
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".
 Brake Vacuum Sensor connector 3 (power) Chassis ground - Approx. 5V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
 Brake Vacuum Sensor connector 1 (signal) Chassis ground - Approx. 0V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 Brake Vacuum Sensor connector 1 (signal) Chassis ground - ∞ (infinity)Ω
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 Brake Vacuum Sensor connector 2 (ground) Chassis ground - Approx. below 1Ω
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 Brake Vacuum Sensor connector 1 (signal) ECM/PCM connector 80 (signal) Approx. below 1Ω

Good 

No Good 

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