Dtc "C21" (P0110-H/L): Iat Sensor Circuit - Suzuki SFV650 Service Manual

1A-53 Engine General Information and Diagnosis:
DTC "C21" (P0110-H/L): IAT Sensor Circuit Malfunction
Detected Condition and Possible Cause
Detected Condition
Output voltage is not with in the following
range.
C21
0.1 V ≤ Sensor voltage < 4.6 V
Sensor voltage is higher than specified
H
value.
P0110
Sensor voltage is lower than specified
L
value.
Wiring Diagram
IAT sensor
18 18 18 19 20 21 22 23
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)".
ECM coupler (Harness side)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
24 25 26 27 28 29 30 31 32 33 34
Possible Cause
• IAT sensor circuit open or short.
• IAT sensor malfunction.
• ECM malfunction.
• IAT sensor circuit open or ground circuit open.
• IAT sensor circuit shorted to ground.
Dg
B/Br
35 37 38 39 40 41 42 43
44 45 46 47 48 49 50 51 52
B944H11104015
ECM
2 IATS
E2
12
I944H1110037-01
I944H1110038-01