Volkswagen OBD II Monitor Drive Cycle

Volkswagen OBD II Monitor Drive Cycle

A reader wrote in to say that she’s having trouble getting her 2007 Volkswagen Rabbit to complete OBD II monitors.  I shared the following drive cycle wither her, and decided to post it here for others experiencing similar issues with their Volkswagen vehicles. This drive cycle should be valid for Volkswagen engine codes BGP and […]

Toyota Camry Failed Smog : Not Ready : No Check Engine Light

Toyota Camry Failed Smog : Not Ready : No Check Engine Light

Our customer’s 1999 Toyota Camry CE 2.2L failed the biennial smog check inspection (category: OBD System Checks for being “Not Ready“). In most situations driving the vehicle for a week or two (streets & highway) will allow the vehicle to complete it’s self tests (readiness monitors) and become “Ready” so that it will pass the […]

Check OBD II Monitor Readiness Without A Scan Tool

Check OBD II Monitor Readiness Without A Scan Tool

It is possible to check OBD II monitor readiness on many late model vehicles without connecting a scan tool. This can often be necessary in order to determine if your car is ready for its California smog inspection. What is OBD II monitor readiness? On 1996 and newer model year vehicles, the on board diagnostic system (OBDII) performs […]

Mercedes Drive Cycle for Incomplete Readiness (Failed Smog Check)

Mercedes Drive Cycle for Incomplete Readiness (Failed Smog Check)

Many drivers have had difficulty completing readiness monitors for their Mercedes Benz. The two readiness monitors that seem to be the most stubborn to complete are: Secondary Air Injection and Catalyst (Catalytic Converter). We located a Mercedes Benz Service Bulletin (S-B-14.00/17) that may be helpful. Also, one customer with a 2002 Mercedes was unable to […]

1996 to 2002 Toyota OBD II Catalyst Monitor Readiness Drive Patterns

1996 to 2002 Toyota OBD II Catalyst Monitor Readiness Drive Patterns

The catalyst monitor on many Toyota vehicles can be difficult to complete.  That’s why it’s important to follow the Toyota recommended drive cycle after performing actions that are known to clear your Toyota’s computer memory. Remember, all on-board diagnostic monitors are cleared when the battery is disconnected, or when the power train control module (PCM) […]

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