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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Engine Control System Diagnosis (PHEV) (07 Of 10)) >> DTC P1DFE-00: EVAP System Purge Pump Delta Pressure Low >> 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.
G14943239Courtesy of KIA MOTORS AMERICA, INC.
Inspection Item Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
Voltage inspection (Active purge pump ↔ Chassis ground) 1. Connect the active purge pump connector.
2. Ignition "ON".
Active purge pump connector 1 (power) Chassis ground - B+
Voltage inspection (Active purge pump ↔ Chassis ground) 1. Connect the active purge pump connector.
2. Ignition "ON".
Active purge pump connector 2 (LIN) Chassis ground - Approx. 10.6V
Voltage inspection (Front active purge pump sensor ↔ Chassis ground) 1. Connect the front active purge pump sensor connector.
2. Ignition "ON".
Front active purge pump sensor connector 3 (power) Chassis ground - Approx. 5V
Voltage inspection (Front active purge pump sensor ↔ Chassis ground) 1. Connect the front active purge pump sensor connector.
2. Ignition "ON".
Front active purge pump sensor connector 1 (signal) Chassis ground - Approx. 3.8V
Voltage inspection (Active purge pump ↔ Chassis ground) 1. Disconnect the active purge pump connector.
2. Ignition "ON".
Active purge pump connector 1 (power) Chassis ground - B+
Voltage inspection (Active purge pump ↔ Chassis ground) 1. Disconnect the active purge pump connector.
2. Ignition "ON".
Active purge pump connector 2 (LIN) Chassis ground - Approx. 10.6V
Voltage inspection (Front active purge pump sensor ↔Chassis ground) 1. Disconnect the front active purge pump sensor connector.
2. Ignition "ON".
Front active purge pump sensor connector 3 (power) Chassis ground - Approx. 5V
Voltage inspection (Front active purge pump sensor ↔ Chassis ground) 1. Disconnect the front active purge pump sensor connector.
2. Ignition "ON".
Front active purge pump sensor connector 1 (signal) Chassis ground - Approx. 5V
Voltage inspection (Rear active purge pump sensor ↔ Chassis ground) 1. Disconnect the rear active purge pump sensor connector.
2. Ignition "ON".
Rear active purge pump sensor connector 3 (power) Chassis ground - Approx. 5V
Voltage inspection (Rear active purge pu↔ Chassis ground) 1. Disconnect the rear active purge pump sensor connector.
2. Ignition "ON".
Rear active purge pump sensor connector 1 (signal) Chassis ground - Approx. 5V
Open in circuit inspection (Active purge pump ↔ Chassis ground) 1. Ignition "OFF".
2. Disconnect the active purge pump connector.
Active purge pump connector 3 (ground) Chassis ground - Approx. below 1Ω
Open in circuit inspection (Front active purge pump sensor ↔ Chassis ground) 1. Ignition "OFF".
2. Disconnect the front active purge pump sensor connector.
Front active purge pump sensor connector 2 (ground) Chassis ground - Approx. below 1Ω
Open in circuit inspection (Rear active purge pump sensor ↔ Chassis ground) 1. Ignition "OFF".
2. Disconnect the rear active purge pump sensor connector.
Rear active purge pump sensor connector 2 (ground) Chassis ground - Approx. below 1Ω
Oscilloscope (Active purge pump) 1. Ignition "ON".
2. Measuring oscilloscope waveform with KDS.
Active purge pump connector 1 (power) Chassis ground - Fig.1
Active purge pump connector 2 (LIN) Chassis ground -
Oscilloscope (Front active purge pump sensor) Front active purge pump sensor connector 3 (power) 3 (power) Chassis ground - Fig.2
Front active purge pump sensor connector 1 (signal) 1 (signal) Chassis ground -
Oscilloscope (Rear active purge pump sensor) 1. Ignition "ON".
2. Measuring oscilloscope waveform with KDS.
Rear active purge pump sensor connector 3 (power) Chassis ground - Fig.3
Rear active purge pump sensor connector 1 (signal) Chassis ground
G14943240Courtesy of KIA MOTORS AMERICA, INC.
G00671907Courtesy of KIA MOTORS AMERICA, INC.
G00671908Courtesy of KIA MOTORS AMERICA, INC.
G00671909Courtesy of KIA MOTORS AMERICA, INC.

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