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Home >> Suzuki >> 2001 >> Vitara JS, 4D Utility, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0136: Ho2S No. 2 Circuit Malfunction >> DTC Confirmation Test
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DTC Confirmation Test

  1. Ensure intake air temperature is 18°F (-8°C) or more, vehicle is at an altitude of 8000 feet or below, engine coolant temperature is at 18-230°F (-8-110°C), fuel tank is 1/4 full, and barometric pressure is 75 kPa or more. Turn ignition off, connect scan tool and turn ignition on. Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Drive vehicle at speeds of 40 MPH or more until engine reaches normal operating temperature. Continue to drive vehicle at speeds of 30-40 MPH for 8 minutes or more.
  2. Check for DTC P0136. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTC is not set, check completion status of HO2S monitoring test in READINESS TESTS mode. If testing has not been completed, go to next step.
  3. Drive vehicle at speeds of 40 MPH or more until engine reaches normal operating temperature. Continue to drive vehicle at speeds of 30-40 MPH for 8 minutes or more. Check for DTC P0136. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.
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