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Home >> Suzuki >> 2009 >> Equator Base, 4D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (4 Of 5) >> DTC P0031, P0032, P0051, P0052: A/F Sensor 1 Heater >> DTC Confirmation Procedure
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DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next step.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: 

Before performing the following procedure, confirm that battery voltage is between 10.5V and 16V at idle. 

  1. Start engine and let it idle for at least 10 seconds.
  2. Check 1st trip DTC.
  3. If 1st trip DTC is detected, go to [P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER ].