APRILIA SL 750 SHIVER Specifications download pdf (Page 131)

If there is 5V voltage, connect a 10 kOhm resistance to sensor connector PIN 1 and to the

vehicle ground connection: if, with key set to ON, the voltage measured upstream the re-

sistance decreases, replace the instrument panel. If voltage continues to be approximately

5V, restore the pink cable (there is a short circuit at + 5V)

Notes

If a short circuit to ground is detected at instrument panel connector PIN 10, the display will shown a

full scale indication ????? of air temperature.

Check the earth insulation of the sensor connector pink cable: if there is a connection, restore the cable

harness; if it is earth insulated, check that sensor resistance is correct: if not OK, replace the sensor; if

it is OK, replace the instrument panel

Electric fan circuit

ELECTRIC FAN CIRCUIT

Function

Radiator fan and coolant - Operation.

Operation / Operating principle

When the control unit detects a temperature of approx. 102 °C, it closes the fan control relay pickup

circuit to ground.

Level in wiring diagram:electric fan

Location:

•

the relay is located under the fuel tank, left side, first front relay (CHECK, however, the

identification of the relay with the colour of the cables).

Electrical characteristics:

•

relay normally open;

•

drive coil resistance 110 Ohm (+/- 10 %)

AXONE: STATUSES

Fan relay

Example value:on/off

AXONE: ACTIVATIONS

Fan:

The fan relay (No. 44 in the wiring diagram, placed under fuel tank, left side, first front relay; CHECK,

however, the identification of the relay with the colour of the cables) is energised for 10 seconds. The

continuity of the wiring is necessary for correct activation: no error indications are displayed in case of

lack of activation.

AXONE: ELECTRICAL ERRORS

Cooling fan relay P0480 - short circuit to positive / short circuit to negative / open circuit.

Error cause

SL 750 SHIVER Electrical system

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APRILIA SL 750 SHIVER Specifications Page 131