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Home >> Scion >> 2004 >> xA Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnosis >> DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Circuit Description
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Circuit Description

Refer to DTC P0130 OXYGEN SENSOR CIRCUIT (BANK 1 SENSOR 1), DTC P2195 OXYGEN SENSOR SIGNAL STUCK LEAN (BANK 1 SENSOR 1), DTC P2196 OXYGEN SENSOR SIGNAL STUCK RICH (BANK 1 SENSOR 1) .

DTC P0133

DTC No. DTC Detection Condition Trouble Area
P0133 After Engine Has Been Warmed Up, If Response Time That Heated Oxygen Sensor's Output Voltage Reaches From RICH to LEAN, Or From LEAN to RICH, Is 0.6 Sec Or More During Idling (2 Trip Detection Logic)
  • Open Or Short In Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit
  • Heated Oxygen Sensor (Bank 1 Sensor 1)
  • Heated Oxygen Sensor Heater (Bank 1 Sensor 1)
  • EFI Relay
  • Air Induction System
  • Fuel Pressure
  • Injector
  • ECM
If Response Time Of Heated Oxygen Sensor's Output Voltage In One RICH-LEAN Cycle Is 9 Sec Or More (M/T Vehicle: 5.5 Sec Or More) During Idling (2 Trip Detection Logic)
NOTE: Sensor 1 refers to the sensor closest to the engine body.