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Description SYSTEM DESCRIPTION Sensor Input signal to ECM ECM function Actuator Vehicle speed sensor Vehicle speed Cooling fan con- Cooling fan relay Engine coolant temperature sensor Engine coolant temperature Air conditioner switch Air conditioner “ON” signal The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, air condi- OPERATION CONSULT-II Reference Value in Data Monitor Specification data are reference values. MONITOR ITEM CONDITION SPECIFICATION AIR COND SIG I Engine: After warming up, idle the Air conditioner switch: OFF OFF Air conditioner switch: ON ON COOLING FAN I When cooling fan is stopped. OFF I When cooling fan operates. ON SEF450Z DTC 0208 OVER HEAT ZD30DDTi EC-109 |