| System Block Diagram |

| Component part | Function | |
| Vehicle-speed sensor | Converts vehicle speed to pulse. | |
| ECM | Receives signals from sensor and control switches. | |
| Cruise control indicator | Illuminate when CRUISE main switch is ON (Built into cluster) | |
| Cruise Control switches | CRUISE switch | Switch for automatic speed control power supply. |
| RES+ switch | Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch) | |
| SET- switch | ||
| Cancel switches | Cancel switch | Sends cancel signals to ECM. |
| Brake-pedal switch | ||
| Transaxle range switch (A/T) | ||
| ETC motor | Regulates the throttle valve to the set opening by ECM. | |
Cruise Control The cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed.
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower unit.(Refer to HA group – heater unit). 3. Remove the blower unit (A) from the heater unit after loosening a mounting bolt and 3 screws. Make sure that there is no air leaking out of the blower and duct joints.
Inspection 1. Ignition "ON" 2. Manually operate the control switch and measure the voltage of blower motor. 3. Select the control switch to raise voltage until high speed. Specification FanMotor VoltageManualFirst speed3.8 ±0.5VSecond speed5.