Suzuki GSX-R 1000 Service Manual: DTC “c11” (p0340): cmp sensor circuit
malfunction
Detected condition and possible cause
Detected condition |
Possible cause |
The signal does not reach ecm for 3 sec. Or more, after
receiving the starter signal. |
- Cmp sensor circuit open or short.
- Cmp sensor malfunction.
- Ecm malfunction.
|
Wiring diagram
![Suzuki GSX-R. Wiring diagram](images/books/111/2/index.59.jpg)
Troubleshooting
Caution
when using the multi-circuit tester, do not strongly touch the terminal
of the ecm coupler with a
needle pointed tester probe to prevent terminal damage. |
Note
after repairing the trouble, clear the dtc using sds tool. Refer to “use
of sds diagnosis reset procedures” . |
Step |
Action |
Yes |
No |
1 |
- Turn the ignition switch off.
- Lift and support the fuel tank. Refer to “fuel tank removal and
installation” in section 1g .
- Remove the air cleaner box. Refer to “air cleaner box removal
and installation” in section 1d .
- Check the cmp sensor coupler (1) for loose or poor
contacts.
If ok, remove the cmp sensor. Refer to “cmp sensor removal and
installation” in section 1c .
![](images/books/111/2/index.52.gif)
- Connect 3 new 1.5 V batteries in series, 1 kΩ
resistor
and the multi-circuit tester as shown in the figure.
Special tool
: 09900–25008 (multi circuit
tester set)
Tester knob indication
voltage ( )
![](images/books/111/2/index.60.jpg)
- Under this condition, if a suitable screwdriver touching
the pick-up surface of the cmp sensor is moved, the
tester reading voltage changes (0.8 V and less . 4.3 V
and more).
![](images/books/111/2/index.61.gif)
Is the voltage ok? |
- B/y, r or b/br wire
open or shorted to
ground.
- Loose or poor
contacts on the cmp
sensor coupler or
ecm coupler
(terminal “7”, “8” or
“35”).
- If wires and
connection are ok,
intermittent trouble or
faulty ecm.
- Recheck each
terminal and wire
harness for open
circuit and poor
connection.
- Replace the ecm
with a known good
one, and inspect it
again.
- B/y, r or b/br wire
open or shorted to
ground.
- Loose or poor
contacts on the cmp
sensor coupler or
ecm coupler
(terminal “7”, “8” or
“35”).
- If wires and
connection are ok,
intermittent trouble or
faulty ecm.
- Recheck each
terminal and wire
harness for open
circuit and poor
connection.
- Replace the ecm
with a known good
one, and inspect it
again.
|
- Inspect that metal
particles or foreign
material stuck on the
cmp sensor and
camshaft tip.
- If there are no metal
particles and foreign
material, then replace
the cmp sensor with
a new one.
- Inspect that metal
particles or foreign
material stuck on the
cmp sensor and
camshaft tip.
- If there are no metal
particles and foreign
material, then replace
the cmp sensor with
a new one.
|
* : Immobilizer system equipped model only. ...
Detected condition and possible cause
Detected condition
Possible cause
The signal does not reach ecm for 3 sec. Or more, after
receiving the starter signal.
...
Other materials:
Front wheel dust seal / bearing removal and installation
Removal
Remove the front wheel assembly. Refer to “front wheel assembly removal
and installation” .
Remove the dust seals using the special tool.
Special tool
(a): 09913–50121 (oil
seal remover)
Remove the wheel bearings using the special tool.
Special tool
(b): 099 ...
Cam chain tensioner inspection
Inspect the cam chain tensioner in the following
procedures:
remove the cam chain tensioner. Refer to “cam chain guide / cam chain
tensioner removal and installation” .
Check the contacting surface of the cam chain
tensioner. If it is worn or damaged, replace it with a
new ...
Front brake light switch inspection
Inspect the front brake light switch in the following
procedures:
disconnect the front brake light switch coupler (1).
Inspect the front brake light switch for continuity with
the tester.
If any abnormality is found, replace the front brake light switch with a new
one. Re ...