6-1-60 ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13)
To other sensor
Main
fuse
Ignition
switch
Heater
To HO2S-1
heater
DTC P0136 HEATED OXYGEN SENSOR (HO2S) CIRCUIT MALFUNCTION
(SENSOR-2)
CIRCUIT DESCRIPTION
DTC DETECTING CONDITION POSSIBLE CAUSE
DTC will set when A or B condition is detected.
A. Max. output voltage of HO2S-2 is lower than specified value or
Min. output voltage is higher than specified value while vehicle
driving.
B. Engine is warmed up and HO2S-2 voltage is 4.5 V or more.
(circuit open)
: 2 driving cycle detection logic, monitoring once/1 driving.
D Exhaust gas leakage
D “G” or “R” circuit open or short
D Heated oxygen sensor-2 malfunction
D Fuel system malfunction
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