Circuit description

In addition to switching the cruise control system to ON/OFF, the cruise control main switch can operate the following seven functions. For SET, -(COAST), TAP DOWN, use -SET switch. For RES, +(ACCEL), TAP UP, use +RES switch. For CANCEL, use CANCEL switch. As the cruise control main switch is an auto return type switch, it is ON while operated in each arrowed direction, and OFF while not operated. Inner contact of the cruise control main switch turns to ON by operating the switch. ECM identifies voltages for each switch operation.