Dtc "C21" (P0110-H/L): Iat Sensor Circuit Malfunction - Suzuki GSF1250 Service Manual

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
0.15 V ≤ Sensor voltage < 4.85 V
Sensor voltage is higher than specified
H
value.
P0110
Sensor voltage is lower than specified
L
value.
Wiring Diagram
IAT 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)".
• IAT sensor is incorporated in the IAP sensor/TP sensor.
Engine General Information and Diagnosis:
• IAT sensor circuit open or short.
• IAT sensor malfunction.
• ECM malfunction.
• IAT sensor circuit open or ground circuit open.
• IAT sensor circuit shorted to the ground.
Dg
B/Br
ECM coupler (Harness side)
Possible Cause
ECM
27 IAT
29
E2
1A-60
B718H11104015
I718H1110056-04
I718H1110240-01