121 12/04
SPIDER MAX 500
B
23.
REV. COUNTER CONTROL CIRCUIT
TERMINALS
CONDITIONS
STANDARD
- key switch on the “ON” position
3 - 23
- emergency stop on “RUN”
9 ÷ 10 Volt
- side stand lifted
- engine not running
23.1
Circuit diagram
The digital dashboard receives the engine rpm signal from the injection central unit.
To check the rev. counter and its control circuit, proceed as follows:
Connect the diagnostic multimeter. Move the key switch to the “ON”, the
emergency switch to “RUN” and lift the side stand.
Select the menu from the “ACTIVE DIAGNOSTICS” function and enable the rev. counter
diagnosis. Make sure that the rev. Counter gets to 3500 rpm and then back to zero.
The rev. counter control operates properly.
Connect the testing wiring to the
system connector but do not connect
the central unit.
Sch. 14
Parameters
Immobilizer
Errors
Delete errors
Active diagnostics
CO calibration
Main 5/8
Fuel pump relay
H.T. coil
Stepper motor
Rev. counter
Injector
Fan relay
Diagnosis 4/6
1B 3
23
N
CENTRAL UNIT
Dashboard
connector
Dashboard
