AB:DTC P0131 O2 SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 1)
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of sensor.
Judge as NG, when the element voltage is out of the specified range.
2. COMPONENT DESCRIPTION
Electromotive force
Air fuel ratio
Lean
Rich
Exhaust gas
ZrO2
3.
The front fog lights operate under the following conditions.
● when the light switch is in the “”
position
● when the light switch is in the “AUTO” position and the headlights turn on automatically
However, the front fog lights turn off when the headlights are switched to