With SDT

WARNING: This page is about a different variant/trim than selected.

Start engine and warm it up to normal operating temperature.
Select "A/F SEN1 (B1)" or "A/F SEN1 (B2)" in "Data list" mode with SDT.
Check "A/F SEN1 (B1)" or "A/F SEN1 (B2)" indication.
If the indication is constantly approx. 2.2V and does not fluctuates, go to [P0130, P0150 A/F SENSOR 1 ].

If the indication fluctuate around 2.2V, go to next step.
Select "A/F SEN1 (B1) P1276" (for DTC P0130) or "A/F SEN1 (B2) P1286" (for DTC P0150) of "A/F SEN1" in "DTC work support" mode with SDT.
Touch "START".

When the following conditions are met, "TESTING" will be displayed on the SDT screen.

VEHICLE SPEED REFERENCE

ENG SPEED	1, 750 - 3, 200 RPM
VHCL SPEED SE	More than 64 km/h (40 MPH)
B/FUEL SCHDL	1.0 - 8.0 msec
Shift lever	D position with "OD" OFF (A/T) 5th position (M/T)

If "TESTING" is not displayed after 20 seconds, retry from step 2.

Release accelerator pedal fully.
NOTE: Never apply brake when releasing the accelerator pedal.
Check that "TESTING" changes to "COMPLETED".
If "TESTING" changed to "OUT OF CONDITION", retry from step 6.
Check that "OK" is displayed after touching "DTC check".
If "NG" is displayed, go to [P0130, P0150 A/F SENSOR 1 ].