Operation CHARM: Car repair manuals for everyone.
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Monitors, Trips, Drive Cycles and Readiness Codes




1. Switch on ignition for 30 seconds.
2. Ensure that coolant temperature is less than 140 °F (30 °C).
3. Start engine and allow to idle for 2 minutes.
4. Perform 2 light accelerations (0 to 35 mph with light pedal pressure).
5. Perform 2 medium accelerations (0 to 45 mph with moderate pedal pressure).
6. Perform 2 hard accelerations (0 to 55 mph with heavy pedal pressure).
7. Cruise at 60 mph for 5 minutes.
8. Cruise at 50 mph for 5 minutes.
9. Cruise at 35 mph for 5 minutes.
10. Allow engine to idle for 2 minutes.
11. Connect TestBook and check for fault codes.