ELECTRICAL FAN CONTROL OPERATION [L8, LF, L3]


id0140a5104000

Except for European (L.H.D. U.K.) L8, LF and Australian LF specs.

ON: Energized
OFF: De-energized

Condition

PCM terminal

1M

PCM terminal 1N*1/Not applicable*2

PCM terminal

1R

Operation condition

Cooling fan motor No. 1

Cooling fan motor No. 2

Stopped
Stopped
OFF
OFF
OFF
A/C: OFF
ECT: below 100 °C [212 °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*3/
High speed*4
ON
OFF*3/ON*4
ON*3/OFF*4
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]
*1 :
Intensely hot area or General specs.
*2 :
Except for intensely hot area and exsept for General specs.
*3 :
Intensely for hot area and General (L.H.D.) specs.
*4 :
Except for Intensely for hot area and General (L.H.D.) specs.

.

1
Except for intensely hot area
2
Intensely hot area
3
Cooling fan relay No. 1
4
Cooling fan relay No. 2
5
Cooling fan relay No. 3
6
Cooling fan relay No. 4
7
Cooling fan motor No. 1
8
Cooling fan motor No. 2

European (L.H.D. U.K.) L8, LF and Australian LF specs.

• The PCM energized the cooling fan relay No. 1 and No. 2 except all of following condition are met.
- ECT: below 100 °C [176 °F]
- A/C: OFF

1
Cooling fan relay No. 1
2
Cooling fan relay No. 2
3
Cooling fan motor No. 1
4
Cooling fan motor No. 2