ZEST BOLT Service Manual

Automated Manual Transmission 16 System Input Signals: For logical operations the system has to use the following signals coming from special sensors or from other systems on the vehicle: Special sensors for robotised gearbox Clutch rpm sensor (the reading is taken on the main gearbox shaft) Position sensors: PLCD type clutch, en- gagement and selection actuator (potentiometric contactless type). Single signals coming from other systems on the vehicle Engine rpm (frequency signal from the en- gine management control unit and CAN network) Brake pedal switch (duplicated, whether discrete or on the CAN line) Driver's side door switch (signal from NBC through dedicated wire during Wake UP. When the network is active it is replicated on the CAN line). Ignition key (stable position and discreet starting). Other main signals coming from the vehicle's system via CAN are: Accelerator pedal position Engine torque, car speed, water tempera- ture, etc. User Interfaces – System: The driver interfaces with the system by means of the following controls: Accelerator pedal, this signal will be trans- mitted to the system via CAN and comes from the engine management control unit. Brake pedal signal comes directly from the brake switch (dedicated signal) and via CAN. Request for gear change or choice of mode, arrives at TCU through specific gear shift lever. The "SPORT/NORMAL" logic is information read by gear shift lever. The system provides the driver with the following information by means of the re- configurable multifunctional display: Gear engaged in the gearbox (the display is located/incorporated in the control panel and connected via the CAN). "AUTO" mode switched on (information in the control panel-display-via CAN). The SPORT information is displayed on the instrument cluster. System malfunctions are indicated by a warning light (connected to the control panel via CAN). Acoustic signals through the buzzer: the message arrives via the CAN at the instru- ment cluster which controls the buzzer: Improper use of the vehicle (associated with warning buzzer) Potential critical situation for the sys- tem/vehicle System failure Reverse engagement During automatic operation, the system dis- plays the information on the gear engaged.