APRILIA TUONO V4 R 2010 Service Station Manual page 88

Troubleshooting
PROTECTION RELAY 16 CHECK
•
1. WITH KEY SET TO OFF, DISCONNECT THE RELAY CONNECTOR AND CHECK
CONTINUITY OF BLUE CABLE WITH GROUND
If there is continuity, go to 2; if there is not continuity, restore cable harness - END
•
2. WITH KEY SET TO OFF, DISCONNECT THE RELAY CONNECTOR AND CHECK IF
THERE IS VOLTAGE ON RED/WHITE CABLE
•
3. CHECK CORRECT OPERATION OF THE RELAY, THAT IS, PROVIDING VOLTAGE
ON CORRESPONDING PIN TO THE GREEN/BLUE CABLE AND GROUND ON SPECIFIC
PIN TO THE BLUE CABLE IS THERE CONTINUITY BETWEEN THE OTHER TWO RELAY
PINS?
•
4. CHECK CONTINUITY OF THE GREEN/BLUE CABLE FROM THE KEY CONNECTOR
AT PIN 3 OF THE RELAY CHECKING ALSO THE KEY SWITCH CONNECTOR AND RE-
LAY CONNECTOR
If there is continuity, go to 5; if there is not continuity, restore cable harness - END
•
5. WITH KEY SET TO OFF, CHECK IF THERE IS VOLTAGE ON RED/WHITE CABLE ON
THE KEY SWITCH CONNECTOR
•
6. WITH KEY SET TO ON AND CONNECTOR DISCONNECTED, CHECK ON THE
SWITCH SIDE IF THERE IS LACK OF CONTINUITY BETWEEN THE TWO PINS COR-
RESPONDING TO THE RED/WHITE CABLE AND GREEN BLUE AND REPLACE THE
KEY SWITCH- END
•
1. WITH KEY SET TO "ON" DISCONNECT THE SWITCH CONNECTOR (4-ways black,
inside the bow) AND CHECK IF THERE IS VOLTAGE + 5V ON PIN 2 ON THE CABLE
HARNESS SIDE
•
2. WITH CONNECTOR DISCONNECTED (4-ways black, inside the bow) CHECK IF
THERE IS GROUND CONNECTION ON PIN 3, ON THE CABLE HARNESS SIDE
•
3. CHECK WITH CONNECTOR DISCONNECTED (4-ways black, inside the bow) ON THE
SWITCH SIDE, PUSHING THE SWITCH, IF THERE IS CONTINUITY BETWEEN PIN 2
AND PIN 3
TROUBL - 88
YES, go to 3; NO, restore the cable harness - END
YES, go to 4; NO, replace the relay - END
YES, go to 6; NO, restore the cable harness - END
YES, go to 2; NO, go to 5
YES, go to 3; NO, go to 6
YES, go to 4; NO, go to 7
TUONO V4 R
STARTER BUTTON CHECK