Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Test Enabling Conditions

When the test enabling conditions for a particular test are met, the test will continue to run until one of the following occur:

^ The conditions for enabling that test are no longer present.

^ The test is completed and passed. In this instance the Diagnostic Executive will store the following information:

- The test has ran since the last ignition cycle.

- The test has passed during the current ignition cycle.

- A malfunction is not present at this time.

^ The test is completed and failed. In this instance the Diagnostic Executive will store the following information:

- The test has ran since the last ignition cycle.

- The malfunction is present at this time.

- Certain engine data values present at the time of the malfunction.