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Home >> Suzuki >> 2003 >> Vitara 4D Utility, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0031 & DTC P0032 >> DTC Confirmation Test
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DTC Confirmation Test

Ensure intake air temperature is 18°F (8°C) or more, and engine coolant temperature is 18-230°F (-8-110°C). Vehicle is at an altitude of 8000 feet or below, and barometric pressure is 75 kPa or more. Turn ignition switch to LOCK position. Connect SUZUKI scan tool or equivalent to DLC, located below left side of instrument panel. See Figure . Turn ignition switch to ON position. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Start engine and allow it to idle for 5 minutes. Using scan tool, check for current or pending DTC. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTCs P0031 or P0032 resets, see DIAGNOSIS & REPAIR PROCEDURE  .