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Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine General Information & Diagnosis - Qr25DE (4 Of 5) >> DTC P1421: Cold Start Control >> DTC Confirmation Procedure >> With SDT
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With SDT

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Select "Data list" mode with SDT.
  4. Check that the "COOLAN TEMP/S" indication is between 4 °C (39 °F) and 36 °C (97 °F). If "COOLAN TEMP/S" indication is within the specified value, go to the following steps. If "COOLAN TEMP/S" indication is out of the specified value, cool engine down or warm engine up and go to step  1.
  5. Start engine and let it idle for 5 minutes.
  6. Check 1st trip DTC.
  7. If 1st trip DTC is detected, go to [Diagnosis Procedure ].
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