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 30° C (86° F).
3. Start engine and allow to idle for 2 minutes.
4. Perform 2 light accelerations 0 to 35 mph (0 to 56 km/h) with light pedal pressure.
5. Perform 2 medium accelerations 0 to 45 mph (0 to 72 km/h) with moderate pedal pressure.
6. Perform 2 hard accelerations 0 to 55 mph (0 to 88 km/h) with heavy pedal pressure.
7. Cruise at 60 mph (96 km/h) for 5 minutes.
8. Cruise at 50 mph (80 km/h) for 5 minutes.
9. Cruise at 35 mph (56 km/h) for 5 minutes.
10. Allow engine to idle for 2 minutes.
11. Connect TestBook and check for fault codes.