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am6zzn00000908
ELECTRICAL FAN CONTROL OPERATION [L8, LF, L5]
id014046104000
Vehicles Equipped With Two Cooling Fan Relays
Operation
|
Conditions |
PCM terminal |
Operation condition |
||
|---|---|---|---|---|
|
Cooling fan motor No.1 |
Cooling Fan motor No.2 |
1U |
1V |
|
|
OFF
|
OFF
|
OFF
|
OFF
|
• Engine coolant temperature less than 100°C {212°F} and A/C OFF
|
|
ON
|
ON
|
ON
|
ON
|
• Engine coolant temperature is 100—108°C {212—227°F} and A/C OFF
• Engine coolant temperature or less 108°C {227°F} and A/C ON
• Engine coolant temperature or above 108°C {227°F}
• ECT sensor malfunction
|
am6zzn00000908
|
Vehicles Equipped With Three Cooling Fan Relays
Operation
|
Conditions |
PCM terminal |
Operation condition |
||
|---|---|---|---|---|
|
Cooling fan motor No.1 |
Cooling Fan motor No.2 |
1U |
1R |
|
|
OFF
|
OFF
|
OFF
|
OFF
|
• Engine coolant temperature less than 100°C {212°F} and A/C OFF
|
|
Low-speed
|
Low-speed
|
ON
|
OFF
|
• Engine coolant temperature is 100—108°C {212—227°F} and A/C OFF
• Engine coolant temperature less than 108°C {227°F} and A/C ON (middle switch off)
|
|
HIgh-speed
|
HIgh-speed
|
ON
|
ON
|
• Engine coolant temperature or less 108°C {227°F} and A/C ON (middle switch on)
• Engine coolant temperature or above 108°C {227°F}
• ECT sensor malfunction
|
am6zzn00000162
|
Vehicles Equipped With Four Cooling Fan Relays
General (R.H.D.) specs.
|
Conditions |
PCM terminal |
Operation condition |
|||
|---|---|---|---|---|---|
|
Cooling fan motor No.1 |
Cooling Fan motor No.2 |
1U |
1R |
1V |
|
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
• Engine coolant temperature less than 100°C {212°F} and A/C OFF
|
|
Low-speed
|
Low-speed
|
ON
|
OFF
|
ON
|
• Engine coolant temperature is 100—108°C {212—227°F} and A/C OFF
• Engine coolant temperature less than 108°C {227°F} and A/C ON
|
|
HIgh-speed
|
HIgh-speed
|
ON
|
ON
|
ON
|
• Engine coolant temperature or above 108°C {227°F}
• ECT sensor malfunction
|
Except for General (R.H.D.) specs.
|
Conditions |
PCM terminal |
Operation condition |
|||
|---|---|---|---|---|---|
|
Cooling fan motor No.1 |
Cooling Fan motor No.2 |
1U |
1R |
1V |
|
|
OFF
|
OFF
|
OFF
|
OFF
|
OFF
|
• Engine coolant temperature less than 100°C {212°F} and A/C OFF
|
|
Low-speed
|
Low-speed
|
ON
|
OFF
|
ON
|
• Engine coolant temperature is 100—108°C {212—227°F} and A/C OFF
• Engine coolant temperature less than 108°C {227°F} and A/C ON (middle switch off)
|
|
High-speed
|
Middle-speed
|
ON
|
ON
|
OFF
|
• Engine coolant temperature less than 108°C {227°F} and A/C ON (middle switch on)
|
|
HIgh-speed
|
HIgh-speed
|
ON
|
ON
|
ON
|
• Engine coolant temperature or above 108°C {227°F}
• ECT sensor malfunction
|
am6zzn00000163
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