Operation CHARM: Car repair manuals for everyone.

Drive Cycles




Drive Cycles

Drive Cycle 1 Description
- Ignition On
- Make sure that no parking brake activation (diagnostic command or switch input) is attempted for a minimum of 3 seconds
- Retest for functionality

Drive Cycle 2 Description
- Ignition On
- Drive vehicle at a constant speed of 20KPH (13MPH) or slightly above in 2nd gear
- At a constant speed of 20KPH (13MPH) or slightly above apply the parking brake via the parking brake switch
- Press the brake pedal

Drive Cycle 3 Description
- Ignition On
- Make sure that the vehicle is stationary and that the parking brake is released
- Pull the parking brake switch to the apply position and hold in this position until the parking brake motor has stopped (this may take up to 5 seconds)
- Release the parking brake switch to the idle position, leave in the idle position for 2 seconds
- Push the parking brake switch to the release position (while pressing the brake pedal) and keep in this position until the parking brake motor has stopped (this may take up to 5 seconds)
- Release the parking brake switch to the idle position