Suzuki SV650A - Page 116

SV650K7/SK7/AK7/SAK7 (’07-MODEL) 115
DTC “48” (C1648): SUPPLY VOLTAGE (DECREASED)
NOTE:
When the voltage resumes the normal level, the ABS indicator
light will go off.
Step 1
1) Turn the ignition switch to OFF.
2) Remove the front seat. (#SV650/SK3 7-4)
3) Measure the voltage between the

+ and

- battery terminals
using the multi-circuit tester.
$ Battery voltage: 12.0 V and more
" 09900-25008: Multi-circuit tester set
' Tester knob indication: Voltage (()
Is the voltage over 12 V?
Step 2
1) Run the engine at 5 000 r/min with the dimmer switch set to
HI.
2) Measure the voltage between the

+ and

- battery termi-
nals.
$ Regulated voltage: 14.0 – 15.5 V at 5 000 r/min
' Tester knob indication: Voltage (()
Is the voltage 14.0 – 15.5 V?
POSSIBLE CAUSE
Faulty generator, faulty regulator/rectifier, faulty battery, faulty
wire harness, etc.
YES Go to step 2.
NO Charge or replace the battery.
YES Go to step 3.
NO
Inspect the generator and regulator/rectifier.
(#SV650/SK3 8-10 and -11)
SAMPLE