ELECTRIC FAN CONTROL [LF, L3]


id0140001038a6

Operation

LF (Intensely hot area) and L3 engine models

ON: Energized
OFF: De-energized

Condition

PCM terminal 4L

PCM terminal 4B

PCM terminal 4F

Operation condition

Cooling fan motor No. 1

Cooling fan motor No. 2

Stopped
Stopped
OFF
OFF
OFF
A/C: OFF
ECT: below 100 °C {176 °F}
Low speed
Low speed
ON
ON
OFF
A/C: OFF
ECT: 100-108 °C {212-226 °F}
High speed
High speed
ON
ON
ON
A/C: OFF
ECT: above 108 °C {226 °F}
Low speed
Low speed
ON
ON
OFF
A/C: ON (middle switch OFF)
ECT: below 108 °C {226 °F}
High speed
Middle speed
ON
OFF
ON
A/C: ON (middle switch ON)
ECT: below 108 °C {226 °F}
High speed
High speed
ON
ON
ON
A/C: ON
ECT: above 108 °C {226 °F}

LF (General area) engine models

• The PCM energizes cooling fan relays No. 1 and No. 2 (with A/C system) except when all of following condition are met:
- ECT: below 100 °C {176 °F}
- A/C: OFF (with A/C system)