Nissan Titan. Manual — part 182
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-29
< SYSTEM DESCRIPTION >
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When the RESUME/ACCELERATE switch is pressed after cancel operation other than pressing MAIN switch
is performed, vehicle speed will return to last set speed. To resume vehicle set speed, vehicle condition must
meet following conditions.
• Brake pedal is released
• A/T selector lever is in other than P and N positions
• Vehicle speed is greater than 40 km/h (25 MPH) and less than 144 km/h (89 MPH)
Component Description
INFOID:0000000009886496
ASCD STEERING SWITCH
ASCD BRAKE SWITCH
.
STOP LAMP SWITCH
ELECTRIC THROTTLE CONTROL ACTUATOR
ASCD INDICATOR
EC-30
< SYSTEM DESCRIPTION >
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CAN COMMUNICATION
CAN COMMUNICATION
System Description
INFOID:0000000009886497
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.
LAN-46, "CAN System Specification Chart"
, about CAN communication for detail.
EVAPORATIVE EMISSION SYSTEM
EC-31
< SYSTEM DESCRIPTION >
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EVAPORATIVE EMISSION SYSTEM
Description
INFOID:0000000009886498
SYSTEM DESCRIPTION
The evaporative emission system is used to reduce hydrocarbons emitted into the atmosphere from the fuel
system. This reduction of hydrocarbons is accomplished by activated charcoals in the EVAP canister.
The fuel vapor in the sealed fuel tank is led into the EVAP canister which contains activated carbon and the
vapor is stored there when the engine is not operating or when refueling to the fuel tank.
The vapor in the EVAP canister is purged by the air through the purge line to the intake manifold when the
engine is operating. EVAP canister purge volume control solenoid valve is controlled by ECM. When the
engine operates, the flow rate of vapor controlled by EVAP canister purge volume control solenoid valve is
proportionally regulated as the air flow increases.
EVAP canister purge volume control solenoid valve also shuts off the vapor purge line during decelerating and
idling.
PBIB3639E
EC-32
< SYSTEM DESCRIPTION >
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EVAPORATIVE EMISSION SYSTEM
EVAPORATIVE EMISSION LINE DRAWING
PBIB2053E
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