Generator Control Outline - Mazda RX-8 2004 Service Highlights

Operation Conditions
Function
ECT: Less than 97°C {206.6°F}
ECT: 97°C {206.6°F} or more
• When all the following conditions are met:
— ECT: 97°C {206.6°F} or more
— During fuel cut at deceleration
Regular-
A/C amplifier (A/C switch): ON
driving
ECT: 101°C {213.8°F} or more
cooling
• 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
• 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.
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
— ECT: 110°C {230°F} or more
During test mode (during test mode with WDS)
Forced drive
when the AP is depressed.
Fail safe When a failure occurs in the ECT sensor.
MAIN RELAY
End Of Sie

GENERATOR CONTROL OUTLINE

• Generator output is optimized according to the engine operation and electrical load conditions, ensuring idling
stability and anti-load performance.
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01–40–38
CONTROL SYSTEM
Operation condition
B+
COOLING
FAN RELAY
NO.1
COOLING
FAN MOTOR
NO.1
TO PCM
TO PCM
Cooling fan motor
No.1 No.2
Stop
Low speed rotation
Low speed rotation
Low speed rotation
High speed rotation
High speed rotation
High speed rotation
High speed rotation
High speed rotation
High speed rotation
COOLING
FAN RELAY
NO.2
Cooling fan relay
No.1 No.2/No.3
OFF OFF
ON OFF
ON OFF
ON OFF
ON
ON
ON
ON
ON
ON
B+
COOLING
FAN RELAY
NO.3
COOLING
FAN MOTOR
NO.2
CHU0140S036
CHU014000140S48