“21” (P0110-H/L) Iat Sensor Circuit Malfunction - Suzuki 125 Service Manual

"21" (P0110-H/L) IAT SENSOR CIRCUIT MALFUNCTION
DETECTED CONDITION
21 Output voltage is not within the following
(P0110) range.
0.1 Sensor voltage
P0110 Sensor voltage is higher than specified
H
value.
Sensor voltage is lower than specified
L
value.
IAT sensor
NOTE:
IAT sensor is incorporated in the IAP sensor/TP sensor.
INSPECTION
Step 1 (When indicating 21:)
1) Turn the ignition switch OFF.
2) Check the IAT sensor coupler 1 for loose or poor contacts.
If OK, then measure the IAT sensor voltage at the wire side
coupler.
3) Disconnect the IAT sensor coupler and turn the ignition switch
ON.
• IAT sensor circuit open or short.
• IAT sensor malfunction.
4.6 V • ECM malfunction.
• IAT sensor circuit open or ground circuit open.
• IAT sensor circuit shorted to ground.
Dg
B/Br
R
RV125K7 ('07-MODEL) 61
POSSIBLE CAUSE
ECM
IAT
E2
VCC
1