Shenzhen Scan-DIY CR-PRO, Руководство пользователя

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71 SCAN-DIY CR-PRO User’s Manual
4.2­Appendix B – Glossary
A/C:
Air Conditioner
A/D:
Analog to Digital
A/F:
Air/Fuel ratio. The proportion of air and fuel delivered to the cylinder for
combustion. For example, an A/F ratio of 14:1 denotes 14 times as much air as
fuel in the mixture. Ideally the A/F ratio is 14.7:1.
ABS:
Anti­lock Brake System
A/C Clutch Relay:
The PCM uses this relay to energize the A/C clutch, turning the A/C compressor
on or off.
A/C Pressure Sensor:
Measures air conditioning refrigerant pressure and sends a voltage signal to the
PCM.
A/C Pressure Switch:
A mechanical switch connected to the A/C refrigerant line. The switch is
activated (sending a signal to the PCM) when the A/C refrigerant pressure
becomes too low or high.
Actuator:
Actuators such as relays, solenoids, and motors allow the PCM to control the
operation of vehicle systems.
Air Injection Reaction (AIR) System:
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