Freelander 1 Cooling fan starting at 105c

zefrench · Aug 27, 2018

According to Rave, the cooling fan should start at 90c. Mine (V6 engine)?are only starting when the coolant temperature reaches 105c. (According to ODB2).

Can someone confirm their fans start at 90c?

The fans come on at minimum speed if the coolant temperature goes above 194 °F (90 °C), and progressively increase to a maximum speed at a coolant temperature of 216 °F (102 °C).

Nodge68 · Aug 27, 2018

zefrench said:
Can someone confirm their fans start at 90c?

Not on the V6. The fans come on at over 100°C, but can't remember the exact temperature off the top of my head.
The fan operating temperature is on RAVE.

zefrench · Aug 28, 2018

Thanks I just checked the note from the KV6 Rave and it seem my fans are only turning on at max speed only. Does yours do the same ?

Control Inputs
While the engine is running, the ECM adjusts the speed of the cooling fans in response to inputs from:
l The thermostat monitoring sensor, for engine cooling. The fans come on at minimum speed if the coolant
temperature goes above 90°C (194°F), and progressively increase to maximum speed at a coolant temperature
of 102°C (216°F).
l The A/C system, via the instrument pack and the CAN bus, for refrigerant system cooling. l The EAT ECU, via the CAN bus, for gearbox cooling.
If there is a conflict between requested cooling fan speeds from the different inputs, the ECM adopts the highest requested speed.

zefrench · Sep 1, 2018

Can anyone with a V6 reply with their actual cooking fan start temperature to confirm RAVE ?

Nodge68 · Sep 2, 2018

zefrench said:
Can anyone with a V6 reply with their actual cooking fan start temperature to confirm RAVE ?

My mother in law now has my V6, so getting my hands on it for tests isn't that easy. However when I owned it, I used to monitor the various sensor outputs and record the data. What I can say with absolute certainty, is the fans didn't start running until the engine temperature climbed over 102°C, and then only at minimum speed. When the weather was cool, minimum fan speed is sufficient to keep the engine temperature from climbing higher than 102°C.
My V6 normally run at 97 to 99° when driving, which is under the fan start temperature, so the fans didn't run until the vehicle came to a stop.

Freelander 1 Cooling fan starting at 105c

zefrench

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Nodge68

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zefrench

Active Member

zefrench

Active Member

Nodge68

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