Circuit Operation

This circuit judges the signals of each switch ("COAST/SET", "ACC/RES" and "CANCEL") of the auto-cruise control switch. The ECM < M/T > or PCM < A/T > detects the state of the auto-cruise control switch by sensing the voltages shown below.

• When all switches are OFF: 4.7-5.0 volts
• When the "CRUISE" (MAIN) switch is "ON": 0-0.3 volt
• When the "COAST/SET" switch is ON: 2.0-2.8 volts
• When the "ACC/RES" switch is ON: 3.3-4.1 volts
• When the "CANCEL" switch is ON: 0.8-1.5 volts