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)

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Instruments Test

Instruments Test
This test is conducted check Instruments for proper operation.

Tech 2 must be used for this test.

Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is "On".




3. Select F3: Miscellaneous Test in the Application Menu.




4. Select F4: Instruments in the Miscellaneous Menu.




5. Select F0: Fuel Gauge level.




6. Push "Decrease" or "Increase" soft key.




7. Control Fuel Level and check data list.
8. If data list and Fuel gauge meter changes, Fuel Gauge level is normal.
9. Select F1: Tachometer Control Test.




10. Push "Inactive" or "active" soft key.
11. Control tachometer and data list.
12. If data list and meter changes, the tachometer control is normal.