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What Is A Complete A Drive Cycle - Autos - Nairaland

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What Is A Complete A Drive Cycle by leeyack: 12:30pm On Mar 26, 2020
If you are a newer mechanic or getting more educated about diagnosing emissions systems through the OBD-II diagnosis system, you may have come across the phrase “drive cycle.” A drive cycle is a term used to test whether repairs to emissions-related parts were successfully recognized by the powertrain control module or PCM. The examination itself involves a test drive unique to each car manufacturer. When it is done as directed, it will assist reset the sensors and monitoring equipment inside the PCM and help the mechanic know if the repairs were done correctly.

While it would be great and convenient for the drive cycle to be consistent and easy to follow, in truth it is unique for every car manufacturer. Any responsible mechanic understands that the best resource for getting the exact drive cycle instructions for the car they are servicing is the service and repair manual or software program.

As such, the drive cycle instructions we’ve put below are 5 GENERAL STEPS and should NOT be seen as exact steps to follow. Always refer to your car service manual or a professional mechanic who has access to the exact drive cycle instructions — and follow them to ensure accuracy. In most situations, a correct drive cycle will take no longer than 15 minutes to complete.



Step 1: Complete Repairs and Clear all Fault Codes

This is the step that many inexperienced mechanics seem to forget — but it’s the most vital. After completing any emissions-related service, you have to clear all OBD-II diagnosis fault codes by using a professional digital scanner. This needs to be done prior to beginning the actual drive cycle test.

Step 2: Preparing the Car

The next step is to prepare the car for an efficient drive cycle test. There are a few general items that have to be completed in order for the drive cycle test to be effective:
Read More:https://automobileglobe.com/what-is-a-complete-a-drive-cycle/

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