Circuit Operation

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

This circuit judges the signals of each switch (SET, RESUME, CANCEL and MAIN) of the auto-cruise control switch. The auto-cruise control-ECU detects the state of the auto-cruise control switch by sensing the voltages shown below.

When all switches are "OFF", the ECU detects 3.5 - 5.0 volts.
When the SET switch is "ON", the ECU detects 0.4 - 2.3 volts.
When the RESUME switch is "ON", the ECU detects 2.3 - 3.5 volts.
When the CANCEL switch is "ON", the ECU detects 0.4 volts or less.
When the MAIN switch is "ON", the ECU detects 7.0 volts.