Suzuki TU250X Service Manual page 149

4-28 FI SYSTEM DIAGNOSIS
DETECTED
DTC No.
HO2 sensor
44
P0130
49 PAIR control
solenoid
P1656
valve
DETECTED FAILURE CONDITION
ITEM
HO2 sensor output voltage is not input
to ECM during engine operation and
running condition.
(Sensor voltage < 0.60 V)
In other than the above value, 44
(P0130) is indicated.
PAIR control solenoid valve voltage is
not input to ECM.
CHECK FOR
HO2 sensor circuit open or
shorted to ground
PAIR control solenoid valve, lead
wire/coupler