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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Diagnostic Check [Car-Navigation System]

DIAGNOSTIC CHECK [CAR-NAVIGATION SYSTEM]

Inspection Item List:






Vehicle Signal Check
1. Switch the ignition to ACC or ON.
2. Launch the diagnostic mode. (See STARTING PROCEDURE FOR DIAGNOSTIC MODE [CAR-NAVIGATION SYSTEM].) Starting Procedure For Diagnostic Mode [Car-Navigation System]
3. Select "Vehicle Signal Check".
4. Verify the condition of the vehicle signal input to the display.
5. To stop the on-board diagnostic mode, switch the ignition to off.






Switch Check
1. Switch the ignition to ACC or ON.
2. Launch the diagnostic mode. (See STARTING PROCEDURE FOR DIAGNOSTIC MODE [CAR- NAVIGATION SYSTEM].) Starting Procedure For Diagnostic Mode [Car-Navigation System]
3. Select "Switch Check".
4. Operate the panel switches and verify that they operate correctly.
5. To stop the on-board diagnostic mode, switch the ignition to off.






Products Version
1. Switch the ignition to ACC or ON.
2. Launch the diagnostic mode. (See STARTING PROCEDURE FOR DIAGNOSTIC MODE [CAR- NAVIGATION SYSTEM].) Starting Procedure For Diagnostic Mode [Car-Navigation System]
3. Select "Products Version".
4. Verify each version.
5. To stop the on-board diagnostic mode, switch the ignition to off.