Benelli Tornado Tre Novicento 903, Workshop Manual, Page: 300 / 336

UK
300
MF9_UK
T T
T T
L I M I T E D E D I T I O N
Instruction
Check and note the data on the display of
the diagnostic instrument (see Axone
instruction manual) if available.
Check and note the sensor data. Make
sure that the rev counter is inserted well.
Disconnect the ECM and proceed to
location
test 1.
Disconnect the ECM and proceed to test
1.
Possible cause
Rev counter system
damaged
Open or short circuit to the
chassis
Short circuit at the positive
battery pole (+)
Fault code guasto
P1385
P1386
P1387
REV COUNTER – MC 1000 ECM
Instruction
Disconnect the rev counter and proceed to
test 2
Repair the fault, proceed to test 6
Proceed to test 3
Locate and rectify the cable fault, proceed
to test 6
Proceed to test 4
Locate and rectify the cable fault, proceed
to test 6
Proceed to test 5
Locate and rectify the cable fault, proceed
to test 6
Change the rev counter, proceed to test 6
Locate and rectify the cable fault, proceed
to test 6
Activity carried out – terminate the test
Contact the Benelli assistance
Result
Ok
Fault
Ok
Short circuit
1.1 a 1.3 Ù
Fault
Ok
Short circuit
Ok
Short circuit
Ok
Fault
Test
1 - Check the integrity of the terminal
and the cable:
- ECM pin 2/A1
2 - Check the cable for short circuiting:
- ECM pin to the chassis 2/A1
3 - Check the resistance of the cable:
- ECM pin 2/A1 to EMC pin 2/E1
4 - Check the continuity of the cable
:
- instrument pin 9 to ECM pin
5 - Check the cable for short circuiting:
- ECM pin 2/A1 to ECM pin 2/E1
6 - Reconnect the cabling, cancel the
fault code and activate the function
test of the diagnostic instrument
(see Axone instruction manual) to
check the operation of the rev
counter.
LOCATION TEST