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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 full. A 3/4 full tank is preferable. Use the following procedures to complete a specific monitor and 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 CODES  under SELF-DIAGNOSTIC SYSTEM.
  2. Using scan tool, select PCM PIDs: ECT, EVAPDC, FLI (if available) and TP MODE from PID/DATA MONITOR & RECORD menu. 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 drive cycle procedure(s). See OBD-II DRIVE CYCLE PROCEDURES . If IAT PID is not 40-100°F (4-38°C), perform appropriate monitor drive cycle procedure(s), ensuring EVAP MONITOR BY-PASS drive cycle is performed to clear DTC P1000.

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