APRILIA SL 750 SHIVER Specifications download pdf (Page 110)

energised for 5 seconds and the grey/green cable of the injector is closed to ground for 4 ms per second.

Disconnect the 4-way connector of the fuel pump to be able to hear the relay and injector activation.

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

of lack of activation.

Rear injector

The auxiliary injection relay (No. 42 in the wiring diagram, placed under fuel tank, right side, third relay

starting from the front; CHECK, however, the identification of the relay with the colour of the cables) is

energised for 5 seconds and the grey/red cable of the injector is closed to ground for 4 ms per second.

Disconnect the 4-way connector of the fuel pump to be able to hear the relay and injector activation.

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

of lack of activation.

AXONE: ELECTRICAL ERRORS

Front cylinder injector P0201 - short circuit to positive / short circuit to negative / open circuit.

Error cause

•

If shorted to positive: excessive voltage has been detected at PIN 50 of the ENGINE con-

nector.

•

If shorted to negative: no voltage has been detected.

•

If the circuit is open: an interruption has been detected.

Troubleshooting

•

if shorted to positive: disconnect the injector connector, set key to ON, activate the compo-

nent with Axone and check the voltage on the filter casing grey/green cable on the filter

casing small connector towards the Marelli control unit: if there is voltage, restore the cable

harness between the filter casing connector and the Marelli control unit. If there is no voltage,

reconnect the connector and check if there is voltage at PIN -: if there is voltage, restore the

filter casing cable harness. If there is not, replace the sensor.

•

if shorted to negative: disconnect the injector connector, set the key to ON and check if there

is a ground connection on the grey/green cable: if there is, restore the cable harness be-

tween the filter casing connector and the Marelli control unit; if there is not, reconnect the

connector and disconnect the injector connector and check if there is a ground connection

on PIN -: if there is voltage, restore the filter casing cable harness. If there is not, replace

the injector.

•

the circuit is open: check the component correct electrical characteristic: if it is not correct,

replace the component; if it is correct, check the filter casing small connector, the connector

on the component and the Marelli control unit connector: If not OK, restore; if OK, check

cable continuity between ENGINE PIN 50 and component PIN - and restore the cable har-

ness.

Front cylinder injector P0202 - See front injector

Error cause

Electrical system

SL 750 SHIVER

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APRILIA SL 750 SHIVER Specifications Page 110

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