DTC 15: Cruise Control Switch System: Operation

This circuit judges the signals of each switches (cruise control ON/OFF, "CANCEL", "SET-" and "RES+") of the cruise control switches. The ECM detects the state of the cruise control switch by sensing the voltages shown below.

• When all switches are released: 4.7 to 5.0 volts
• When the cruise control ON/OFF switch is pressed: 0.9 to 1.7 volts
• When the "CANCEL" switch is pressed: 1.9 to 2.7 volts
• When the "SET-" switch is pressed: 2.9 to 3.6 volts
• When the "RES+" switch is pressed: 3.8 to 4.5 volts