Suzuki SFV650, Service Manual

Page: 110 / 573

1A-47 Engine General Information and Diagnosis:
DTC “C15” (P0115-H/L): ECT Sensor Circuit Malfunction
B944H11104013
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 terminal damage.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-15)”.
Detected Condition Possible Cause
C15
Output voltage is not with in the following
range.
0.1 V
≤
Sensor voltage < 4.85 V
• ECT sensor circuit open or short.
• ECT sensor malfunction.
• ECM malfunction.
P0115
H
Sensor voltage is higher than specified
value. • ECT sensor circuit is open or ground circuit open.
L
Sensor voltage is lower than specified
value. • ECT sensor circuit shorted to ground.
ECM
E2
ECTS
B/Br
ECT sensor
B/BI
19
12
I944H1110029-01
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18 18 18 19 20 21 22 23 26 27 24 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 52
I944H1110030-01