
FI SYSTEM DIAGNOSIS 4-71
DTC “C44” (P0130/P0135): HO2 SENSOR (HO2S) CIRCUIT MALFUNCTION
DETECTED CONDITION AND POSSIBLE CAUSE
WIRING DIAGRAM
TROUBLESHOOTING
NOTE:
After repairing the trouble, clear the DTC using SDS tool. (
4-25)
DETECTED CONDITION
POSSIBLE CAUSE
C44
HO2 sensor output voltage is not input
to ECM specified running condition.
• Output state of HO2 sensor.
P0130
C44
The heater can not operate so that
heater operation voltage is not supplied
to the oxygen heater circuit.
• Oxygen heater circuit is open or shorted to
ground.
• Battery voltage is not supplied to the HO2 sensor.
P0135
When using the multi circuit tester, do not strongly touch the terminal of the ECM coupler with
a needle-point tester probe to prevent terminal damage.
ECM
O/W
W
Gr
B
W
B/Br
W
HO2 sensor
HO2S
HO2SH
E2
B
15 16 17 18 19
22 23
20 21
24 25 26
2 3 4 5 6
9 10
7 8
11 12 13
27 28 29 30 31 32 33 34 35
36 37 38 39 40 41 42 43 44
1
14
ECM coupler (Harness side)
Side-stand
relay
Engine stop
switch
Ignition
switch
To side-stand
switch
Содержание GW250
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