What is the purpose of the OBD II drive cycle?

Generic Drive Cycle The purpose of the OBDII drive cycle is to run your vehicle’s onboard diagnostics. This, in turn, allows monitors to operate and detect potential malfunctions of your vehicle’s emission system.

How do I set my Mercedes air secondary monitor?

Open the hood, with engine cold start the car and listen to air pump. It will run up to 90 seconds. Keep it idling at ~1200 rpm until it reaches 83C, let it drop to idle, pump will come on for about 10 seconds and OBDII monitor will be set to ready.

How many miles do you have to drive to complete a drive cycle?

When you have accelerated up to around 60 mph and have safely merged into the flow of traffic, stay in the slow lane and maintain a steady speed of 55 to 60 mph for a minimum of five miles.

Can I pass CA smog with Catalyst Monitor Not ready?

Answer: Depending how old your vehicle is, the catalyst monitor might be allowed to remain incomplete and the vehicle still pass the smog inspection. Currently 1999 and older gasoline powered vehicle’s are allowed one incomplete monitor.

When do I need to do an OBDII drive cycle?

If you have a 1996-up BMW, you have the OBD-II diagnostic system that constantly monitors the sensors and solenoids on the engine. You will need to do a Driving Cycle if you have replaced the battery, disconnected the battery, or cleared the codes after a repair.

How long is the drive cycle for a Mercedes?

2. On-Board Diagnostic System (OBDII) used on the vehicle, are ME1.0, ME2.0 or ME2.1 systems. 3. Performing the drive cycle on the vehicle will take up to 1 1/2 hours. 4. Required tools are: SDS equipment and all required cables. Readiness/function codes cannot be displayed for tests performed on vehicles at altitudes above 8200 feet.

Can a 2002 Mercedes Benz drive cycle be incomplete?

Also, one customer with a 2002 Mercedes was unable to complete the secondary air injection monitor until one evening he allowed his vehicle to idle for 5-20 minutes in his driveway. He then turned off his vehicle and restarted the vehicle the next morning and allowed it to idle for another 5-10 minutes.

How to reset the OBD II drive cycle?

Decelerate without using the brake (coast down) to 20 MPH or less, then stop the vehicle. Allow the engine to idle for 10 seconds, turn the key off, and wait one minute. Restart and accelerate to 40-55 MPH at 25% throttle and maintain speed for two minutes.