Front Central Coil; Rear Central Coil; Front Side Coil; Rear Side Coil - APRILIA DORSODURO 1200 ABS - ATC Service Station Manual

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DORSODURO 1200 ABS - ATC
0.7 - 0.9 Ω at ambient temperature
Pin out:
1. Power supply + Vbatt
2. Secondary circuit to ground
3. Activation from control unit
DIAGNOSIS INSTRUMENT: PARAMETERS
Example value with key ON: Current ignition ad-
vance
Example value with engine on: Indicates the cyl-
inder advance where combustion will take place.
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING,
CAREFULLY READ THE GENERAL TROUBLESHOOTING
CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGIN-
NING OF THE CHECK AND CONTROL SECTION IN THE
ELECTRICAL SYSTEM CHAPTER.
DIAGNOSIS INSTRUMENT: ACTIVATION

Front Central Coil:

The auxiliary injection relay (No. 35 in the wiring diagram, placed in the front relay box, left side; CHECK,
however, the identification of the relay with the colour of the cables) is energised for 5 seconds and the
coil Pink/Yellow cable is closed to ground for 2 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 Central Coil:

The auxiliary relay (No. 35 in the wiring diagram, placed in the front relay box, left side; CHECK, how-
ever, the identification of the relay with the colour of the cables) is energised for 5 seconds and the coil
Purple/Grey cable is closed to ground for 2 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.

Front Side Coil:

The auxiliary injection relay (No. 35 in the wiring diagram, placed in the front relay box, left side; CHECK,
however, the identification of the relay with the colour of the cables) is energised for 5 seconds and the
coil Brown/Green cable is closed to ground for 2 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 Side Coil:

The auxiliary injection relay (No. 35 in the wiring diagram, placed in the front relay box, left side; CHECK,
however, the identification of the relay with the colour of the cables) is energised for 5 seconds and the
coil Brown/White cable is closed to ground for 2 ms per second. Disconnect the 4-way connector of the
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Electrical system
ELE SYS - 161