SPIDER MAX 500
14. H.T. COIL
+ 12 V Battery
Sch. 8
The integrated ignition system with injection is of high efficiency
inductive type. The central unit controls two important parameters:
- Spark advance
It is optimised according to: the engine rpm, the engine load, the
room temperature and pressure.
With the engine at idling speed the spark advance is optimised in
order to make the engine speed stable at 1450 ± 50 Rpm/1'.
Connect the diagnostic multimeter.
Select the menu from the "ACTIVE
DIAGNOSTICS" function. Start the
H.T. coil testing with the key switch
on the "ON" position, the emergency
switch on "RUN" and the side stand
lifted.
Wait for the multimeter response.
TEST ENDED WITH SUCCESS
Select the menu from the "ERRORS" function.
Check for current or stored errors concerning
the H.T. coil.
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CENTRAL UNIT
+ 12V battery
from 3A fuse
red
- Magnetisation time
The coil magnetisation time is controlled by the central unit.
The ignition power is increased during the engine start-up.
The injection system recognise the 4-stroke cycle and thus the
ignition is controlled only during the compression phase.
In order to check the ignition circuit, proceed as follows:
Parameters
Immobilizer
Errors
Delete errors
Active diagnostics
CO calibration
Main
88
12/04
Central unit ground
12V key switch, stand
emergency switch,
immobilizer from 5A fuse
Fuel pump
H.T. coil
Stepper motor
Rev. counter
Injector
Fan
5/8
Diagnosis
TEST FAILED
REPEAT THE TEST
TEST FAILED
B
Fuel injector
2/6