FI SYSTEM DIAGNOSIS 4-69
“C29” (P1654-H/L) STP SENSOR CIRCUIT MALFUNCTION
INSPECTION
Step 1 (When indicating C29:)
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. (
5-3)
3) Check the STP sensor coupler
for loose or poor contacts.
If OK, then measure the STP sensor input voltage.
4) Disconnect the STP sensor coupler.
5) Turn the ignition switch ON.
6) Measure the voltage at the R wire
and ground.
7) Also, measure the voltage at the R wire
and B/Br wire
.
DETECTED CONDITION
POSSIBLE CAUSE
C29
Signal voltage is not within the following
range.
Difference between actual throttle open-
ing and opening calculated by ECM is
larger than specified value.
0.15 V
Sensor voltage < 4.85 V
• STP sensor maladjusted
• STP sensor circuit open or short
• STP sensor malfunction
• ECM malfunction
P1654
H
Sensor voltage is higher than specified
value.
• STP sensor circuit shorted to VCC or ground cir-
cuit open
• STP sensor circuit open or shorted to ground or
VCC circuit open
L
Sensor voltage is lower than specified
value.
ECM
E2
VCC
Y/W
R
STP
STP sensor
B/Br
Y
B
BI
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with
a needle pointed tester probe to prevent the terminal damage or terminal bend.
1
Содержание GSX-R1000 2007
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Страница 100: ...3 50 ENGINE TRANSMISSION PARTS LOCATION Countershaft Driveshaft...
Страница 153: ...ENGINE 3 103 10 N m 1 0 kgf m 7 0 lb ft 23 N m 2 3 kgf m 16 5 lb ft...
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Страница 507: ...SERVICING INFORMATION 10 29 COWLING INSTALLATION B A1 To A To A1 A To B To Radiator heat shield...
Страница 508: ...10 30 SERVICING INFORMATION FRAME COVER INSTALLATION SEAT LOCK CABLE ROUTING...
Страница 514: ...10 36 SERVICING INFORMATION PILLION FOOTREST INSTALLATION Footrest X Apply grease to sliding surface...
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