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Home >> Suzuki >> 2002 >> XL-7 Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Engine Controls - Self-Diagnostics - 1.6L) >> Diagnostic Tests >> DTC P0446: EVAP System Vent Control Circuit Malfunction >> DTC Confirmation Test
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DTC Confirmation Test

WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off, connect scan tool and turn ignition on. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Ensure fuel tank is 1/4-3/4 full, vehicle is at an altitude of 8000 feet or below, barometric pressure is 75 kPa or more, ambient temperature is 14°F (-10°C) or more, intake air temperature is 158°F (70°C) or less, and engine coolant temperature 158-230°F (70-110°C). Drive vehicle at normal speeds 10 minutes. Go to, next step.
  2. Stop vehicle, and allow to idle for one minute or more. Using scan tool, check for current or pending DTC P0446. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTC resets, go to DIAGNOSIS & REPAIR PROCEDURE  .