Suzuki 2006 GSF1200AK6 Supplementary Service Manual page 63

62 GSF1200AK6/SAK6 ('06-MODEL)
DTC "47" (C1647): Supply voltage (Increased)
POSSIBLE CAUSE
• Faulty alternator
• Faulty ABS control unit
• Faulty wire harness, etc.
Step 1
1) Remove the seat. (!GSF1200K6/SK6 9D-5)
2) 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?
YES Go to step 2.
NO Charge or replace the battery.
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: 13.5 – 15.0 V at 5 000 r/min
" 09900-25008: Multi-circuit tester set
& Tester knob indication: Voltage (')
Is the voltage 13.5 – 15.0 V?
YES Go to step 3.
Inspect the generator.
NO
(!GSF1200K6/SK6 1J-10)