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Home >> Kia >> 2023 >> Forte GT, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (2 Of 6) >> DTC P0133-00: O2-Sensor Circuit Slow Response (Bank 1/Sensor 1) >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

G14565932Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the HO2S (Bank 1, Sensor 1) connector.
  2. Ignition "ON".
HO2S (Bank 1, Sensor 1) connector 2 (nernst voltage) Chassis ground - 0V
HO2S (Bank 1, Sensor 1) connector 1 (virtual ground) Chassis ground - 0V
HO2S (Bank1, Sensor1) connector 3 (pumping current) Chassis ground - 0V
HO2S (Bank1, Sensor1) connector 6 (trim resistor) Chassis ground - 0V
  1. Ignition "OFF".
  2. Disconnect the HO2S (Bank 1, Sensor 1) and PCM connectors.
HO2S (Bank1, Sensor1) connector 2 (nernst voltage) PCM connector 59 (nernst voltage) Approx. below 1Ω
HO2S (Bank1, Sensor1) connector 1 (virtual ground) PCM connector 80 (virtual ground) Approx. below 1Ω
HO2S (Bank1, Sensor1) connector 3 (pumping current) PCM connector 81 (pumping current) Approx. below 1Ω
HO2S (Bank1, Sensor1) connector 6 (trim resistor) PCM connector 60 (trim resistor) Approx. below 1Ω

Good 

No Good