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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Engine Control System Diagnosis (PHEV) (05 Of 10)) >> DTC P04DF-00: EVAP System Purge Control Valve 'A' Performance/Stuck Open >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
G14966748Courtesy of KIA MOTORS AMERICA, INC.
G00671901Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. 2. Connect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
Rear active purge pump sensor connector 3 (power) Chassis ground - Approx. 5V
Rear active purge pump sensor connector 1 (signal) Chassis ground - Approx. 3.8V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
Rear active purge pump sensor connector 3 (power) Chassis ground - Approx. 5V
Rear active purge pump sensor connector 1 (signal) Chassis ground - Approx. 5V
  1. Ignition "ON".
  2. 2. Disconnect the electrical connector(s) from the concerned component.
Rear active purge pump sensor connector 2 (ground) Chassis ground - Approx. below 1Ω
1. Ignition "ON".
2. Measuring oscilloscope waveform with KDS.
Rear active purge pump sensor connector 3 (power) Chassis ground - Fig.1
Rear active purge pump sensor connector 1 (signal) Chassis ground -
1. Ignition "OFF".
2. Disconnect the electrical connector(s) from the concerned component.
3. Ignition "ON".
PCSV connector 1 (power) Chassis ground - Approx. 12V
PCSV connector 2 (control) Chassis ground - Approx. 3.5V
1. Ignition "OFF".
2. Disconnect the electrical connector(s) from the concerned component.
PCSV connector 2 (control) Chassis ground - ∞(infinity)Ω
PCSV connector 2 (control) PCSV connector 1 (power) ∞(infinity)Ω
1. Ignition "ON". PCSV connector 1 (power) Chassis ground - Fig.2
PCSV connector 2 (control) Chassis ground
G14966749Courtesy of KIA MOTORS AMERICA, INC.

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