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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Navigation System Voice Control Switch Test (With Navigation)




Navigation System Voice Control Switch Test

1. Remove the steering wheel. Steering Wheel Removal

2. Remove the voice control switch. Overhaul

3. Measure the resistance between the terminals No. 2 and No. 4 in each switch position according to the table.





4. If the resistance is not as specified, replace the voice control switch.






5. Use a diode tester between the terminals in each switch position according to the table.

6. If the diode test is bad, replace the switch.