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

On-Board System Readiness Tests Access Procedure

NOTE: This is a generic function.

1. Perform the NGS tester hook-up procedure.




2. Move the cursor to GENERIC OBD II FUNCTIONS.
3. Press the TRIGGER key to enter this selection.




4. Press TESTS.




5. Monitor the OBD-II Systems operating status.

6. If each system's status initialization is necessary, use the following procedures:
1. Press the cancel key until you return to the main menu.
2. Move the cursor to GENERIC OBD II FUNCTIONS.
3. Press the TRIGGER key to enter this selection.
4. Press CONT.




5. Move the cursor to CLEAR DIAGNOSTIC CODES.
6. Press the TRIGGER key to enter this selection.




7. Press START.