DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1): Description

Refer to DTC P2195 

HINT

• DTC P2A00 indicates malfunctions related to the bank 1 air fuel ratio sensor.
• DTC P2A03 indicates malfunctions related to the bank 2 air fuel ratio sensor
• Bank 1 refers to the bank that includes No 1 cylinder
• Bank 2 refers to the bank that includes No 2 cylinder
• Sensor 1 refers to the sensor mounted in front of the three-way catalytic converter and located near the engine assembly
  DTC DETECTION CONDITION CHART
  
  

  DTC No.	DTC Detection Condition	Trouble Area
  P2A00 P2A03	Calculated value for air fuel ratio sensor response rate deterioration level is less than threshold	Open or short in air fuel ratio sensor (bank 1, 2 sensor 1) circuit Air fuel ratio sensor Air fuel ratio sensor heater ECM