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Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine General Information & Diagnosis - Qr25DE (2 Of 5) >> DTC P0137: Ho2S2 >> DTC Confirmation Procedure >> With SDT
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With SDT

TESTING CONDITION: 

For the best results, perform "DTC work support" at a temperature of 0 to 30 °C (32 to 86 °F). 

  1. Turn ignition switch ON and select "Data list" mode with SDT.
  2. Start engine and warm it up to the normal operating temperature.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at least 1 minute under no load.
  5. Let engine idle for 1 minute.
  6. Make sure that "COOLAN TEMP/S" indicates more than 70 °C (158 °F).

    If not, warm up engine and go to next step when "COOLAN TEMP/S" indication reaches 70 °C (158 °F).

  7. Open engine hood.
  8. Select "HO2S2 (B1) P1147" of "HO2S2" in "DTC work support" mode with SDT.
  9. Start engine and follow the instruction of SDT display.
    NOTE: It will take at most 10 minutes until "COMPLETED" is displayed.
  10. Make sure that "OK" is displayed after touching "DTC check".

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

    If "CAN NOT BE DIAGNOSED" is displayed, perform the following.

    1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
    2. Return to step  1.