ECH-42
< SYSTEM DESCRIPTION >
[HRA2DDT]
SYSTEM
After the speed limiter is released by other method than the MAIN switch, the RESUME/ACCELERATE switch
allows to set the vehicle speed again to the one that is previously set before releasing the speed limiter.
GEAR SHIFT INDICATOR SYSTEM
GEAR SHIFT INDICATOR SYSTEM : System Description
INFOID:0000000010507155
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
The gear shift indicator is controlled by ECM and indicates recommended gear shift timing on the combination
meter.
• Upward arrow indication (
↑
): Upshift recommendation
• Downward arrow indication (
↓
): Downshift recommendation
ECM calculates optimal gear shift timing for better fuel consumption, according to the input signal and a gear
ratio. In addition, the recommended gear shift timing is corrected, according to driver’s operation and road
conditions. ECM transmits a gear shift indicator signal to the combination meter via CAN communication line.
The gear shift indicator is deactivated when any of the following conditions is satisfied;
• Shift lever is in neutral position.
• Vehicle is under cruise control (ASCD function) or speed limit (speed limiter function).
• MIL (Malfunction Indicator Lamp) is indicated.
• ABS system or ESP system is operating.
CAN COMMUNICATION
CAN COMMUNICATION : System Description
INFOID:0000000010379034
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Refer to
LAN-15, "CAN COMMUNICATION SYSTEM : System Description"
, about CAN communication for
detail.
JSBIA5004GB