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

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Verification of Vehicle Repair





Engine Control
P0077 Intake Valve Control Solenoid Circuit-High (Bank 1) - Verification of Vehicle Repair

Verification of Vehicle Repair

After a repair, it is essential to verifying that the fault has been corrected.
1. Connect GDS and select "Diagnostic Trouble Codes(DTCs)" mode.
2. Using GDS, Clear DTC.
3. Operate the vehicle within DTC Enable conditions in General information.
4. Are any DTCs present ?