Suzuki GSX1300BK B-King - DTC C23 (P1651-H;L): to Sensor Circuit Malfunction

Engine General Information and Diagnosis: 1A-65
DTC “C23” (P1651-H/L): TO Sensor Circuit Malfunction
B823H11104016
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
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-14)”.
Detected Condition Possible Cause
C23
The sensor voltage should be the
following for 2 sec. and more, after ignition
switch is turned ON.
0.2 V d Sensor voltage < 4.8 V
• TO sensor circuit open or short.
• TO sensor malfunction.
• ECM malfunction.
P1651
H
Sensor voltage is higher than specified
value.
• TO sensor circuit is open or ground circuit open.
L
Sensor voltage is lower than specified
value.
• TO sensor circuit is open or shorted to the ground or
VCC circuit open.
B/Br
R
B
ECM
VCC
E2
TO sensor
TOS
11
22
29
I823H1110104-02
1 2 3 4 5 6 7 8 9 10 11121314151617
18
18
18 19 20 21 22 23 26 2724 25 28 29 30 31 32 33 34
35
36
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
53 54 55 56 57 58 59 60 61 62 63 6764 65 66 68
68
6852
52
52
I823H1110004-01