Dtc "C23" (P1651-H/L): To Sensor Circuit Malfunction - Suzuki GSF1250 Service Manual

1A-67 Engine General Information and Diagnosis:

DTC "C23" (P1651-H/L): TO Sensor Circuit Malfunction

Detected Condition and Possible Cause
Detected Condition
The sensor voltage should be the
following for 2 sec. and more, after ignition
C23
switch is turned ON.
0.2 V ≤ Sensor voltage < 4.8 V
Sensor voltage is higher than specified
H
value.
P1651
Sensor voltage is lower than specified
L
value.
Wiring Diagram
TO sensor
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 the terminal damage or terminal bend.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to "Use of SDS Diagnosis Reset
Procedures (Page 1A-13)".
• TO sensor circuit open or short.
• TO sensor malfunction.
• ECM malfunction.
• TO sensor circuit open or ground circuit open.
• TO sensor circuit open or shorted to the ground or Vcc
circuit open.
R
B
B/Br
ECM coupler (Harness side)
Possible Cause
ECM
11 Vcc
22 TOS
29
E2
B718H11104016
I718H1110066-02
I718H1110240-01