C21" (P0110-H/L) Iat Sensor Circuit Malfunction - Suzuki VZ800 Service Manual

"C21" (P0110-H/L) IAT SENSOR CIRCUIT MALFUNCTION

DETECTED CONDITION
C21 Output voltage is not within the following
range.
0.1 Sensor voltage < 4.6 V
P0110 Sensor voltage is higher than specified
H
value.
Sensor voltage is lower than specified
L
value.
IAT sensor
INSPECTION
Step 1 (When indicating C21:)
1) Loosen the inlet pipe screw 1.
2) Remove the air cleaner box 2.
3) Turn the ignition switch OFF.
4) Check the IAT sensor coupler for loose or poor contacts.
If OK, then measure the IAT sensor voltage at the wire side
coupler.
5) Disconnect the IAT sensor coupler and turn the ignition switch
ON.
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
1
1
FI SYSTEM 5-47
ECM
IAT
E2