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Home › Kia › 2017 › Niro FE › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (5 Of 6) › DTC P2196-00: O2 Sensor Signal Stuck Rich (Bank 1 / Sensor 1) › Wiring Inspection › Circuit Inspection

Circuit Inspection

Fig 1: ECM System Circuit
G12330399Courtesy of KIA MOTORS AMERICA, INC.
INSPECTION PART - O2 SENSOR (UP) AND ECM CONNECTORS INSPECTION

Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the battery (-) cable.
  3. Disconnect the electrical connector(s) from the component and ECM.
 O2 Sensor (UP) Connector 1 (Virtual Ground) Chassis ground - ∞ (Infinite) Ω
O2 Sensor (UP) Connector 2 (Nernst Voltage) Chassis Ground - ∞ (Infinite) Ω
O2 Sensor (UP) Connector 3 (Current Pump) Chassis Ground - ∞ (Infinite) Ω
O2 Sensor (UP) Connector 4 (Current Adjust) Chassis Ground - ∞ (Infinite) Ω
O2 Sensor (UP) Connector 1 (Virtual Ground) ECM Connector 43 (Virtual Ground) Approx. Below 1Ω
O2 Sensor (UP) Connector 2 (Nernst Voltage) ECM Connector 58 (Nernst Voltage) Approx. Below 1Ω
O2 Sensor (Up) Connector 3 (Current Pump) ECM Connector 59 (Current Pump) Approx. Below 1Ω
O2 Sensor (UP) Connector 4 (Current Adjust) ECM Connector 44 (Current Adjust) Approx. Below 1Ω
  1. Disconnect The Electrical Connector(s) From The Concerned Component.
  2. Ignition "On".
 O2 Sensor (Up) Connector 1 (Virtual Ground) Chassis Ground - Approx. 0V
O2 Sensor (up) Connector 2 (Nernst Voltage) Chassis ground - Approx. 0V
O2 Sensor (UP) Connector 3 (Current Pump) Chassis Ground - Approx. 0V
O2 Sensor (UP) Connector 4 (Current Adjust) Chassis Ground - Approx. 0V
Good 
No Good 
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