Suzuki Baleno Manual page 1399

DTC P0130 HO2S (SENSOR-1) CIRCUIT MALFUNCTION
WIRING DIAGRAM
1. Main fuse
2. Ignition switch
3. Heater
4. To other sensor
5. To HO2S-2 heater
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
DTC will set when either of the following conditions is detected.
D Minimum HO2S voltage is 0.4 V or higher.
(2 driving cycle detection logic)
D Maximum HO2S voltage is higher than 1.2 V or maximum
HO2S voltage is less than 0.6 V.
(2 driving cycle detection logic)
DTC CONFIRMATION PROCEDURE
WARNING:
D When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
D Road test should be carried out with 2 persons, a driver and a tester, on a level road.
NOTE:
Check to make sure that the following conditions are satisfied when using this DTC CONFIRMATION PRO-
CEDURE.
D Intake air temp.: –75C (17.45F) or higher
D Altitude (barometric pressure): 2400m, 8000 ft or less (560 mmHg 75 kPa or more)
ENGINE GENERAL INFORMATION AND DIAGNOSIS (J18 ENGINE WITH WU TWC) 6-2-51
TROUBLE AREA
D HO2S-1
D HO2S-1 circuit
D Fuel system
D ECM