Dtc "C23" (P1651-H/L): To Sensor Circuit Malfunction - Suzuki GSF650A Service Manual

1A-69 Engine General Information and Diagnosis:

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

Detected Condition and Possible Cause
Detected Condition
C23 The sensor voltage should be the
following for 2 sec. and more, after ignition
P1651 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-15)".
• TO sensor circuit open or short.
• TO sensor malfunction.
• ECM malfunction.
• TO sensor circuit shorted to Vcc or ground circuit open.
• TO sensor circuit open or shorted to ground or Vcc
circuit open.
R
B
B/Br
ECM coupler (Harness side)
Possible Cause
ECM
11 Vcc
22 TOS
29
E2
B817H21104016
I718H1110066-02
I718H1110240-01