Mitsubishi Engine cooling, Workshop Manual, Page: 12 / 26

ENGINE COOLING -
On-vehicle Service
14-12
FAN CONTROLLER CHECK
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1. Remove the fan controller mounting bolt, and then
disconnect the condenser fan motor connector.
2. Start the engine and run it at idle.
3. Turn the A/C switch to ON and maintain the coolant
temperature at 80 _ C or less.
4. When measuring the voltage between the fan
controller-side connector terminals, check that the value
changes repeatedly as indicated by (1) - (3) below.
(1) 0 V
(2) <4G6> 8.2 ± 2.6 V
<Except 4G6> 6.8 ± 2.6 V
(3) Battery voltage ± 2.6 V
5. If the voltage does not repeatedly change as indicated,
replace the radiator fan motor and the fan controller
assembly.
FAN CONTROL RELAY CONTINUITY CHECK
14100620014
Battery voltage Terminal No.
1 2 3 4
When current is not
supplied
When current is
supplied
Fan controller
- +
Fan control relay