toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Controls - MIL ON/DTC's P0031/P2238 Set|Page 716 > < Engine Controls - MIL ON/DTC's P0031/P2238 Set
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Required SSTs

Calibration Information

Repair Procedure

For DTC P0031 and/or P2238:

1.

Replace Bank 1 Sensor 1 A/F Sensor.

2.

Perform ECM (PCM) recalibration (see Calibration Procedure) with New Calibration ID as shown above in Calibration Information table.

Calibration Procedure

Verify Vehicle Condition

Engine Controls - MIL ON/DTC's P0031/P2238 Set|Page 716 > < Engine Controls - MIL ON/DTC's P0031/P2238 Set