System Description

Cruise Control System

Description

System Block Diagram:

The auto cruise control has built-in ETS. (Electronic Throttle System) ETS control module and ECM(Engine Control Module) receive sensor signal input (for instance, command switch signal, brake switch signal, speed sensor signal, etc.) and control the operation of the ETS throttle actuator.

Operation Condition
- Minimum operating speed: 40Km/H (25 mph).
- Maximum memorized speed: 160Km/H (90 mph).

Cancellation
Regulated speed run shall be released when external switches are switched as following.
1. Stop lamp switch is turned "ON". (Brake pedal is depressed).
This also applies to the disconnection of the input wire.
2. Brake switch or CANCEL switch is turned "ON". (Brake pedal is depressed)
3. Inhibitor switch is turned "ON". (Gear shift lever is in either P or N position.)
4. Ignition key switch is turned "OFF".
5. SPORTS MODE is turned "ON".
6. MAIN switch is turned "OFF".

Auto Cancellation
Regulated speed run shall be automatically released in any of the following conditions:
1. When vehicle speed falls down below the lower limit speed. (40 Km/h)
2. When regulated speed falls below memory speed by the width of the redundant brake speed range or more.
3. When vehicle speed during resume operation falls below memory speed by width of the redundant brake speed range or more after once rising above the speed of "memory speed" - 15 Km/h
4. COMMAND switch, CANCEL LATCH, brake switch trouble detection.