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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Powertrain Management: Tools and Equipment

Service Tools:




Service Tools:




Service Tools:






For a thorough diagnosis, the system requires a test light, a digital multimeter, a vacuum gage, a pressure gage, a tachometer and some fused jumper wires. A test light or digital multimeter must be used when specified in the diagnosis procedures. See accompanying illustrations for tool descriptions and part numbers.