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





P1690 Immobilizer-Smartra No Response

Verification of Vehicle Repair

After a repair, it is essential to verify that the fault has been corrected.
1. Connect GDS and check "No. of Key learnt, PCM status and Smart key PCM status.
2. Select "Diagnostic Trouble Codes (DTCs)" mode and then clear DTC.
3. Operate the vehicle within the enable condition and monitor the DTC on the GDS.
4. Are any DTCs present?