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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Initial Inspection and Diagnostic Overview



Keyless Transmitter Battery

Inspection
Measure the voltage between battery (+) terminal and (-) terminal.

NOTE:
- Battery discharge occurs during measurement. Complete the measurement within 5 seconds.












If NG, replace the battery. (Use CR1620 or equivalent.)