Checking The Charging Voltage; Checking The Quiescent Currenl - KTM 450 SX-F EU Repair Manual

lllWlRING HARNESS, BATTERY
9S
Chllckinl thll chariinl VDItaII
Chackinl tha UiBIClnt currant
- Disconnect the negative cable of the battery to avoid damage to the onboard elec-
tronics.
Main work
- Connect the battery charger to the battery. Switch on the battery charger.
1 Battery charger (58429074000)
You can also use the battery charger to test the open-circuit voltage and starting
voltage of the battery. and to test the alternator. With this device. you cannot over-
charge the battery.
• Info
I
Never remove lid
Charge the battery with a maximum of 10% of the capacity specified on
battery housing
- Switch off the battery charger after charging. Disconnect the battery.
Guideline
The charge current, charge voltage, and charge time must not be exceeded.
Charge the battery regularly when the
13
months
motorcycle is not in use
Subsequent work
- Mount the seat. ('r p. 79)
Condition
The battery must be fully functional and completely charged.
Preliminary work
- Remove the seat.
( r
p. 78)
Main work
- Start the motorcycle for checking.
(r
p. 10)
Measure the voltage between the specified points.
Measuring point
Plus
(+) -
Measuring point
Ground (-)
I
Charging voltage
5,000 rpm 113.5 ... 15.0
V
• If the displayed value is less than the specified value:
- Check the connector between the alternator and the voltage regulator.
- Check the connector between the alternator and the wiring harness.
- Check the stator winding of the alternator.
(r
p. 202)
• If the displayed value is greater than the specified value:
- Change the voltage regulator.
Preliminary work
- Switch off all power consumers and switch off the engine.
- Remove the seat.
( r
p. 78)
Main work
- Disconnect the negative cable from the battery.
- Measure the current between battery ground (-) and the negative cable.
• Info
I
The value of the quiescent current applies only to vehicles in the original
state, i.e. without additional power consumers.
1
Maximum quiescent current
1
<
1.0 rnA
• If the measured value is higher than the specified value:
- Disconnect the voltage regulator from the wiring harness and perform the
measurement again.