FAN CONTROL MODULE INSPECTION [SKYACTIV-D 2.2]

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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 (2 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.
―  Engine Coolant Temperature (ECT) sensor
―  Refrigerant pressure sensor
―  Battery
―  DSC (HU/CM)

Fan control module No.1, No.2 [A/C OFF]

Inspection

Result

Engine coolant temp. (°C {°F})

PID FAN DUTY (%)

Voltage (V)
100 {212}
30
4.11
100—104 {212—219}
30—70
4.11—9.60
104—106 {220—222}
70
9.60
more than 106 {223}
100
0.4 LOWER THAN BATTERY VOLTAGE

Fan control module No.1, No.2 [A/C ON (Engine coolant temp. 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
4.11
1.0—1.7 {11—17, 146—246}
30—70
4.11—9.60
1.7—1.9 {18—19, 247—275}
70
9.60
more than 1.9 {19, 276}
100
0.4 LOWER THAN BATTERY VOLTAGE