DTC P2237-P2239, P2252, P2253; Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) [12/2012 - 08/2014]: Description
HINT:
- Although the DTC titles say oxygen sensor, these DTCs relate to the air fuel ratio sensor.
- Sensor 1 refers to the sensor mounted in front of the three-way catalytic converter and located near the engine assembly.
- Refer to DTC P2195.
Refer to DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P2237 | Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) | An open in the circuit between terminals A1A+ and A1A- of the air fuel ratio sensor while the engine is running (2 trip detection logic). |
|
Comes on | DTC stored | DTC for Mexico Models - Applies |
| P2238 | Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1) |
|
|
Comes on | DTC stored | DTC for Mexico Models - Applies |
| P2239 | Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) | The A1A+ voltage is higher than 4.5 V (2 trip detection logic). |
|
Comes on | DTC stored | DTC for Mexico Models - Applies |
| P2252 | Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) | The A1A- voltage is 0.5 V or less (2 trip detection logic). |
|
Comes on | DTC stored | DTC for Mexico Models - Applies |
| P2253 | Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) | The A1A- voltage is higher than 4.5 V (2 trip detection logic). |
|
Comes on | DTC stored | DTC for Mexico Models - Applies |