CONTROL SYSTEM
01–40–38
Operation Conditions
End Of Sie
GENERATOR CONTROL OUTLINE
CHU014000140S48
• Generator output is optimized according to the engine operation and electrical load conditions, ensuring idling
stability and anti-load performance.
End Of Sie
Function Operation condition
Cooling fan motor Cooling fan relay
No.1 No.2 No.1 No.2/No.3
Regular-
driving
cooling
ECT: Less than 97°C {206.6°F} Stop OFF OFF
ECT: 97°C {206.6°F} or more Low speed rotation ON OFF
• When all the following conditions are met:
— ECT: 97°C {206.6°F} or more
— During fuel cut at deceleration
Low speed rotation ON OFF
A/C amplifier (A/C switch): ON Low speed rotation ON OFF
ECT: 101°C {213.8°F} or more High speed rotation ON
• When all the following conditions are met:
— ECT: 101°C {213.8°F} or less
— A/C amplifier (A/C switch): ON
— Refrigerant pressure switch (medium-
pressure switch): ON
High speed rotation ON
After-cooling
• When all the following conditions are met:
— Ignition switch: OFF
— Drive-by-wire relay: OFF
— Metering oil pump: Other than during
ignition switch off mode
— Engine compartment temperature high.
High speed rotation ON
• When all the following conditions are met:
— Ignition switch: OFF
— Drive-by-wire relay: OFF
— Metering oil pump: Other than during
ignition switch off mode
— ECT: 110°C {230°F} or more
High speed rotation ON
Forced drive
During test mode (during test mode with WDS)
when the AP is depressed.
High speed rotation ON
Fail safe When a failure occurs in the ECT sensor. High speed rotation ON
B+ B+
MAIN RELAY
COOLING
FAN RELAY
NO.1
COOLING
FAN RELAY
NO.3
COOLING
FAN RELAY
NO.2
COOLING
FAN MOTOR
NO.1
COOLING
FAN MOTOR
NO.2
TO PCM
TO PCM
CHU0140S036
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