Suzuki GSF1250 - Page 92

1A-23 Engine General Information and Diagnosis:
C17
IAP sensor (No.2)
The sensor should produce following voltage.
0.5 V ≤ sensor voltage < 4.85 V
In other than the above range, C17 (P1750) is
indicated.
IAP sensor (No.2), lead wire/
coupler connection
P1750
H Sensor voltage is higher than specified value.
IAP sensor (No.2) circuit open
or shorted to Vcc or ground
circuit open
L Sensor voltage is lower than specified value.
IAP sensor (No.2) circuit
shorted to the ground or Vcc
circuit open
C17/P1750
If the pressure variation (voltage variation)
does not exist even under the engine
operating condition, this malfunction code is
output.
Make sure to check that IAP
sensor (No.2) is securely
installed on the throttle body.
C21
IAT sensor
The sensor voltage should be the following.
0.15 V ≤ sensor voltage < 4.85 V
In other than the above range, C21 (P0110) is
indicated.
IAT sensor, lead wire/coupler
connection
P0110
H Sensor voltage is higher than specified value.
IAT sensor circuit open or
ground circuit open
L Sensor voltage is lower than specified value.
IAT sensor circuit shorted to
the ground
C23
TO sensor
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
In other than the above value, C23 (P1651) is
indicated.
TO sensor, lead wire/coupler
connection
P1651
H Sensor voltage is higher than specified value.
TO sensor circuit shorted to
Vcc or ground circuit open
L Sensor voltage is lower than specified value.
TO sensor circuit open or
shorted to the ground or Vcc
circuit open
C24/C25
C26/C27
Ignition signal
CKP sensor (pick-up coil) signal is produced,
but signal from ignition coil is interrupted 8
times or more continuously. In this case, the
code C24 (P0351), C25 (P0352), C26 (P0353)
or C27 (P0354) is indicated.
Ignition coil, wiring/coupler
connection, power supply from
the battery
P0351/P0352
P0353/P0354
C28
Secondary throttle
valve actuator
When no actuator control signal is supplied
from the ECM, communication signal does not
reach ECM or operation voltage does not
reach STVA motor, C28 (P1655) is indicated.
STVA can not operate.
STVA motor, STVA lead wire/
couplerP1655
C29
STP sensor
The sensor should produce following voltage.
0.15 V ≤ sensor voltage < 4.85 V
In other than the above range, C29 (P1654) is
indicated.
STP sensor, lead wire/coupler
connection
P1654
H Sensor voltage is higher than specified value.
STP sensor circuit shorted to
Vcc or ground circuit open
L Sensor voltage is lower than specified value.
STP sensor circuit open or
shorted to the ground or Vcc
circuit open
C31
Gear position signal
Gear position signal voltage should be higher
than the following for 3 seconds and more.
Gear position sensor voltage > 0.6 V
If lower than the above value, C31 (P0705) is
indicated.
GP switch, wiring/coupler
connection, gearshift cam, etc.P0705
Malfunction
Code
Detected Item Detected Failure Condition Check For