Dtc P0130 (Dtc No.13) - Suzuki 2000 Grand Vitara SQ625 Service Manual

DTC P0130 (DTC No.13) HO2S-1 CIRCUIT MALFUNCTION
WIRING DIAGRAM
1. To ignition switch
2. HO2S-1
3. Fuse box
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
Following conditions are detected in idle state
while running under driving conditions described
for DTC CONFIRMATION PROCEDURE.
P0130 (LOW VOLTAGE)
D 4.5 V or more HO2S circuit voltage is detected, when
5 V power is connected to HO2S circuit in ECM
(PCM), or
D Max. output voltage of HO2S is 0.6 V or lower on av-
erage and its minimum voltage on average is 0.3 V
or lower.
(2 driving cycle detection logic)
P0130 (HIGH VOLTAGE)
D Min. output voltage of HO2S is over 3.0 V or
D Max. output voltage of HO2S is 0.74 V or higher on
average and its min. voltage on average is 0.33 V or
higher.
(2 driving cycle detection logic)
ENGINE DIAGNOSIS (G16 / J20 ENGINES) 6-55
TROUBLE AREA
D HO2S-1 or its circuit
D Fuel system
D ECM (PCM)