Mitsubishi FUEL Manual page 116

13A-116
Code No. P0136 Oxygen sensor (rear) system <Bank 1
sensor 2>
Range of Check
D Three minutes have been passed since the engine has been started.
D The engine coolant temperature is approx. 80_C or more.
D Engine speed is 1,200 r/min or more
D Driving on a level surface at constant speed.
Set Conditions
D The right bank oxygen sensor (rear) output voltage is 4.5 V or more when
the sensor output voltage is 0.2 V or less and a voltage of 5 V is applied to
the right bank oxygen sensor (rear) inside the engine-ECU.
MPI <6A1> -
Troubleshooting
Probable cause
D Malfunction of right bank oxygen sensor (rear)
D Open or short circuit in the right bank oxygen
sensor (rear) circuit or loose connector contact
D Malfunction of engine-ECU