LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine General Information & Diagnosis - Qr25DE (2 Of 5) >> DTC P0133: A/F Sensor 1 >> DTC Confirmation Procedure >> With SDT
April 5, 2026: LEMON Manuals is launched! Read the announcement.

With SDT

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at least 1 minute under no load.
  4. Let engine idle for 1 minute.
  5. Select "A/F SEN1(B1) P1278/P1279" of "A/F SEN1" in "DTC work support" mode with SDT.
  6. Touch "START".

    If "COMPLETED" appears on SDT screen, go to step  10.

    If "COMPLETED" does not appear on SDT screen, go to the following steps.

  7. After perform the following procedure, "TESTING" will be displayed on the SDT screen.
    1. Increase the engine speed up to between 4, 000 and 5, 000 RPM and maintain that speed for 10 seconds.
    2. Fully release accelerator pedal and then let engine idle for about 10 seconds.

      If "TESTING" is not displayed after 10 seconds  , refer to SDT Reference Value in Data list Mode .

  8. Wait for about 20 seconds at idle under the condition that "TESTING" is displayed on the SDT screen.
  9. Make sure that "TESTING" changes to "COMPLETED".

    If "TESTING" changed to "OUT OF CONDITION"  , refer to SDT Reference Value in Data list Mode .

  10. Make sure that "OK" is displayed after touching "DTC check".

    If "NG" is displayed, go to [Diagnosis Procedure ].