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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTCS P2227, P2228 Or P2229: Barometric Pressure Circuit - Performance/Low/High >> DTC Confirmation Test (DTC P2227)

DTC Confirmation Test (DTC P2227)

WARNING: This page is about a different car, the 2003 Suzuki XL-7. 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. Start engine and allow it to reach normal operating temperature.
  2. Drive vehicle with engine at 3000 RPM in 3rd gear (M/T) or 2 range (A/T). Release accelerator pedal and allow vehicle to coast (with vehicle in gear) for 5 seconds or more with engine speed of 1600-3000 RPM. Stop vehicle and allow engine to idle.
  3. Preform step  2 2 more times, for three times total. Using scan tool, check for current or pending DTC P2227. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTC resets, go to DIAGNOSIS & REPAIR PROCEDURE .
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