APRILIA Tuono V4 1100 Factory Service Station Manual page 161

Tuono V4 1100 Factory
Start-up system check
Function
Communicates to the control unit the will to start-
up the engine.
Operation / Operating principle
Press the start-up button to close the specific cir-
cuit taking the PIN 58 of the control unit to a voltage
equal to zero (ground closing).
Level in electrical circuit diagram:
Start enable switches
Position:
•
on the vehicle: Right hand light switch.
•
connector: inside the support (4-ways
black).
Electrical specifications:
•
key released: open circuit
•
key pressed: closed circuit
Pin out:
2: voltage + 5V
3. ground
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.
DIAGNOSTIC TOOL: ELECTRICAL ERRORS
P0615 Starter relay
•
short circuit to positive / open circuit, short circuit to negative.
Error cause
•
Short-circuit to positive: excessive voltage identified at PIN 69, at the command time; If open
circuit, short circuit to negative: a voltage close to zero was identified when there is no
command to the start-up relay.
DIAGNOSTIC TOOL: LOGIC ERRORS
P0512 Starter switch
•
signal not plausible.
Error cause
Electrical system
ELE SYS - 161