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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System Outline

SYSTEM OUTLINE

The vehicle condition is input into the passenger side J/B ECU through the communication control of the J/B ECU and door ECU etc., and controls the wiper and washer.

1. INTERMITTENT WIPER FUNCTION RESPONDING TO VEHICLE CONDITION
The passenger side J/B ECU controls the intermittent operation time according to the time adjustable volume (Variable resistor) and vehicle speed (w/o rain sensor) or rain sensor (w/ rain sensor).

2. WASHER LINKED FUNCTION (WITH EXCESS FLUID WIPE OFF FUNCTION)
When the washer SW is pushed while the wiper is not operating, the passenger side J/B ECU controls the wiper to operate for a certain time. The wiper operates once to wipe off the excess fluid, vehicle speed linked operation.