Suzuki GSX-R 1000 Service Manual: Fuel pump inspection
Turn the ignition switch on and check that the fuel pump operates for a few seconds.
If the fuel pump motor does not make operating sound, inspect the fuel pump circuit connections or inspect the fuel pump relay and to sensor. Refer to “fuel pump relay inspection” and “dtc “c23” (p1651- h/l): to sensor circuit malfunction” in section 1a .
If the fuel pump relay, to sensor and fuel pump circuit connections are ok, the fuel pump may be faulty, replace the fuel pump with a new one. Refer to “fuel pump disassembly and assembly” .
Fuel pressure inspection
Keep away from fire or spark.
Spilled gasoline should be wiped off
immediately.
Work in a well-ventilated area.
Inspect the fuel pressure in the following ...
Fuel discharge amount inspection
Keep away from fire or spark.
Spilled gasoline should be wiped off
immediately.
Work in a well-ventilated area.
Inspect the fuel discharge amo ...
Other materials:
Handlebar removal and installation
Removal
Remove the following parts from the left handlebar.
left handlebar switch box (1)
handlebar balancer (2)
grip rubber (3)
clutch cable (4)
Remove the following parts from the right handlebar.
right handlebar switch box (5)
...
Engine top side disassembly
It is unnecessary to remove the engine assembly from
the frame when servicing the cylinder head cover and
camshafts.
Note
before servicing the engine top side
components (until camshafts removal) with
the engine in place, remove the following
parts:
air cleaner box
...
DTC “c28” (p1655): secondary throttle
valve actuator (stva) malfunction
Detected condition and possible cause
Detected condition
Possible cause
The operation voltage does not reach the stva.
Ecm does not receive communication signal from the
stva. Stva can not operate properly or its motor locked
Stva malfunction.
...