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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Switch Monitor Function

Switch Monitor Function:






PURPOSE
The ECU Switch Monitor Function permits checking individual switches with Mazda System Selector (SST #49 B019 9A0) and Self-Diagnosis Checker (SST #49 H018 9A1), or a compatible aftermarket "Scan" tool.

OPERATION
With ignition switch "ON," the SST's will check switches as indicated on the image chart. Consult aftermarket "Scan" tool instructions for proper use of this function.