15" (P0115-H/L) Et Sensor Circuit Malfunction - Suzuki TU250X Service Manual

"15" (P0115-H/L) ET SENSOR CIRCUIT MALFUNCTION

DETECTED CONDITION
15 Output voltage is not within the following
range.
0.1 V Sensor voltage < 4.7 V
P0115 Sensor voltage is higher than specified
H
value.
Sensor voltage is lower than specified
L
value.
ET sensor

When using the multi circuit tester, do not strongly touch the terminal of the ECM coupler with
a needle-point probe to prevent the terminal damage or terminal bend.
INSPECTION
NOTE:
After repairing the trouble, clear the DTC using SDS tool.
(4-24)
Step 1 (When indicating 15:)
1) Turn the ignition switch OFF.
2) Check the ET sensor coupler for loose or poor contacts.
If OK, then measure the ET sensor voltage at the wire side
coupler.
POSSIBLE CAUSE
• ET sensor circuit open or short
• ET sensor malfunction
• ECM malfunction
• ET sensor circuit open or ground circuit open
• ET sensor circuit shorted to ground
B/Br
B/Bl
1
FI SYSTEM DIAGNOSIS 4-41
ECM
E2
ET