Suzuki Baleno Manual page 1403

DTC P0135 HEATED OXYGEN SENSOR (HO2S) HEATER CIRCUIT
MALFUNCTION (SENSOR-1)
WIRING DIAGRAM
1. Main fuse
2. Ignition switch
3. To HO2S-2 heater
4. Heater
5. To other sensor
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
Current of HO2S-1 heater is higher than specified value or lower
than specified value.
(2 driving cycle detection logic)
DTC CONFIRMATION PROCEDURE
NOTE:
When DTC P0100, P0110, P0115, P0120, P0135 and/or P1408 are indicated together, it is possible that "Or"
circuit is open.
1) With ignition switch OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and warm up to normal operating temperature.
4) Run engine at idle speed for 3 min. or more.
5) Check DTC and pending DTC.
ENGINE GENERAL INFORMATION AND DIAGNOSIS (J18 ENGINE WITH WU TWC) 6-2-55
TROUBLE AREA
D HO2S-1 heater
D HO2S-1 heater circuit
D ECM