toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Engine Controls - MIL ON/O2 Sensor DTC's Set|Page 2847 > < Engine Controls - MIL ON/O2 Sensor DTC's Set|Page 2845
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Calibration Identification Chart

Repair Procedure

1.

Replace both Bank 1, Sensor 1 and Bank 2, Sensor 1 air fuel ratio sensors.

2.

Check for the Authorized Modifications Label affixed to the vehicle in the location shown in Figure 1. Confirm if ECM (PCM) calibration has
been updated. If not the latest ECM (PCM) calibration go to step 3.

Engine Controls - MIL ON/O2 Sensor DTC's Set|Page 2847 > < Engine Controls - MIL ON/O2 Sensor DTC's Set|Page 2845