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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Brake Signal: Description and Operation

PURPOSE
Stoplight switch signal is one of several inputs used by ECU to calculate control of idle speed control system.

LOCATION
Beneath dash adjacet to brake pedal assembly.

OPERATION
Switch is "ON" (shows continuity) when pedal is depressed, and "OFF" (no continuity) when pedal is released.