FixVault

Functional Diagram

Fig 1: Auto Cruise Control System Functional Diagram
G04079450Courtesy of NISSAN MOTOR CO., U.S.A.

Items of input/output signal to be checked with CONSULT-II

INPUT ITEM CHART

Input Data monitored Item [unit] CAN Description
ECM THRTL OPENING [%] x Indicates throttle angle read by ICC unit through CAN communication (ECM transmits throttle angle through CAN communication).
ENGINE RPM [rpm] x Indicates engine speed read by ICC unit through CAN communication (ECM transmits engine speed through CAN communication).
MAIN SW [ON/OFF] x Indicates [ON/OFF] status as judged from steering switch signal (ECM transmits steering switch signal through CAN communication).
SET/COAST SW [ON/OFF] x Indicates [ON/OFF] status as judged from steering switch signal (ECM transmits steering switch signal through CAN communication).
CANCEL SW [ON/OFF] x Indicates [ON/OFF] status as judged from steering switch signal (ECM transmits steering switch signal through CAN communication).
RESUME/ACC SW [ON/OFF] x Indicates [ON/OFF] status as judged from steering switch signal (ECM transmits steering switch signal through CAN communication).
IDLE SW [ON/OFF] x Indicates [ON/OFF] status of idle switch read by ICC unit through CAN communication (ECM transmits ON/OFF status through CAN communication).
TCM VHCL SPD AT [km/h] or [mph] x Indicates vehicle speed calculated from AT vehicle speed sensor by ICC unit through CAN communication (TCM transmits AT vehicle speed sensor signal through CAN communication).
GEAR [1, 2, 3, 4, 5] x Indicates AT gear position read by ICC unit through CAN communication (TCM transmits gear position through CAN communication).
D RANGE SW [ON/OFF] x Indicates [ON/OFF] status of "D" position read by ICC unit through CAN communication (TCM transmits ON/OFF condition of "D" position through CAN communication).
NP RANGE SW [ON/OFF] x Indicates PNP switch signal read by ICC unit through CAN communication (TCM transmits PNP switch signal through CAN communication).
ABS actuator and electric unit (control unit) VHCL SPEED SE [km/h] or [mph] x Indicates vehicle speed calculated from wheel sensor by ICC unit through CAN communication (ABS actuator and electric unit (control unit) transmits wheel speed sensor signal through CAN communication).
BCM WIPER SW [OFF/LOW/HIGH] x Indicates wiper [OFF/LOW/HIGH] status (BCM transmits front wiper request signal through CAN communication).
Brake pressure sensor PRESS SENS [bar]   Indicates brake fluid pressure value calculated from signal voltage of pressure sensor.
Release switch RELEASE SW NO [ON/OFF]   Indicates [ON/OFF] status as judged from release switch signal.
ON when brake is depressed.
OFF when brake is not depressed.
RELEASE SW NC [ON/OFF]   Indicates [ON/OFF] status as judged from release switch signal.
ON when brake is not depressed.
OFF when brake is depressed.
ICC brake switch BRAKE SW [ON/OFF]   Indicates [ON/OFF] status as judged from ICC brake switch signal.
Stop lamp switch STOP LAMP SW [ON/OFF]   Indicates [ON/OFF] status as judged from stop lamp switch signal.
OUTPUT ITEM CHART

Output Data monitored Item [unit] CAN Description
ICC warning chime BUZZER O/P [ON/OFF] x Indicates [ON/OFF] status of ICC warning chime output.
ICC brake hold relay STP LMP DRIVE [ON/OFF]   Indicates [ON/OFF] status of brake hold relay drive output.
OUTPUT ITEM CHART

Output CONSULT-ll ICC [ACTIVE TEST] Item CAN Description
Combination meter ICC BUZZER 1 x Able to start ICC warning chime with a driving signal from ICC unit.
METER LAMP x Able to turn ICC system display ON with a driving signal from ICC unit.
ICC brake hold relay STOP LAMP   Able to start ICC brake hold relay with a driving signal from ICC unit.
Booster solenoid BOOSTER SOL/V 3   Able to start booster solenoid with a driving signal from ICC unit.