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OBD-II Drive Cycle Vehicle Preparation

OBD-II drive cycle procedure is designed to execute and complete OBD-II monitors and clear DTC P1000. Ensure level in fuel tank is between 1/2-3/4. A 3/4 tank is preferable. Use the following procedures to complete a specific MONITOR & RECORD for repair verification:

  1. Install scan tool. Turn ignition switch to ON position. Cycle ignition switch off, then on. Using scan tool, select vehicle and engine. Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.
  2. Using scan tool, MONITOR & RECORD PCM PIDs: ECT, EVAPDC, FLI (if available) and TP MODE. Start engine. DO NOT turn ignition switch to OFF position. Allow engine to idle for 15 seconds. Drive at 40 MPH until ECT PID is at least 170°F (77°C).
  3. If IAT PID is 40-100°F (4-38°C), perform appropriate MONITOR & RECORD drive cycle procedure(s). See OBD-II DRIVE CYCLE PROCEDURES . If IAT PID is not 40-100°F (4-38°C), perform appropriate MONITOR & RECORD drive cycle procedure(s), ensuring EVAP MONITOR BYPASS drive cycle is performed to clear DTC P1000.

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