FAN CONTROL MODULE INSPECTION [SKYACTIV-D 1.5]

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1.  Connect the M-MDS to the DLC-2.

2.  Start and warm up the engine.

3.  Monitor the engine coolant temperature with the M-MDS.

4.  Measure the voltage at terminal A of the fan control module connector (3 terminals) as shown in the table.

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•  If not within the specification, inspect the input signals from the following parts. If all the following parts are normal, replace the fan control module. (See COOLING FAN MOTOR REMOVAL/INSTALLATION [SKYACTIV-D 1.5].)
―  Engine Coolant Temperature (ECT) sensor
―  Refrigerant pressure sensor
―  Battery
―  DSC (HU/CM)

Fan control module [A/C OFF]

Inspection

Result

Engine coolant temperature (°C {°F})

PID FAN DUTY (%)

Voltage (V)
100 {212}
30
3.6
100—106 {212—222}
30—75
3.6—9.0
106—108 {223—226}
75
9.0
more than 108 {226}
100
0.4 lower than battery voltage

Fan control module [A/C ON (Engine coolant temperature less than 98 °C {208 °F} and idling)]

Inspection

Result

Refrigerant pressure (MPa {kgf/cm2, psi})

PID FAN DUTY (%)

Voltage (V)
less than 1.0 {10, 145}
30
3.6
1.0—1.7 {11—17, 146—246}
30—75
3.6—9.0
1.7—1.9 {18—19, 247—275}
75
9.0
more than 1.9 {19, 276}
100
0.4 lower than battery voltage