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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Fail-Safe Chart








CAN COMMUNICATION SYSTEM: FAIL-SAFE CHART

FAIL-SAFE CHART

1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for each system operates to prevent those systems from malfunctioning.
(b) Effects on each system when communication is impossible.










HINT:
- a: Control master
- o: System related