Suzuki GSX-R 1000 Service Manual: Fuel pump relay inspection
Refer to “electrical components location” in section 0a .
Inspect the fuel pump relay in the following procedures:
- remove the frame covers. Refer to “exterior parts removal and installation” in section 9d (page 9d- 6).
- Remove the fuel pump relay (1).
- First, check for insulation with the tester between terminals “a” and “b”. Next, check for continuity between “a” and “b” with 12 v voltage applied, positive (+) to terminal “c” and negative (–) to terminal “d”. If continuity does not exist, replace the relay with a new one.
Special tool
: 09900–25008 (multi circuit tester
set)
Tester knob indication
continuity test ( 
)
Fuel hose inspection
Refer to “fuel line inspection” in section 0b (page 0b- 10).
Fuel level gauge inspection
Refer to “fuel level gauge inspection” in section 9c .
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 ...
Fuel tank construction
Fuel tank heat
shield
: aluminum film side should face the engine side.
Fuel tank front cover
Fuel tank front bracket
Velcro fastenings
: clean the adhesiv ...
Other materials:
Cam chain guide inspection
Inspect the cam chain guide in the following procedures:
remove the cam chain guides. Refer to “cam chain guide / cam chain
tensioner removal and installation” .
Check the contacting surface of the cam chain
guides. If it is worn or damaged, replace it with a new
one.
...
Throttle cable removal and installation
Removal
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” .
Remove the right handlebar switch box. Refer to “handlebar removal and
installation” in section 6b .
Remove the throttle cables as shown in the cable routing diagram. Refer
to “thro ...
DTC “c23” (p1651-h/l): to sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C23
The sensor voltage should be the
following for 2 sec. And more, after ignition
switch is turned on.
0.2 V ≤ Sensor voltage < 4.8 V
To sensor circuit open or shor ...