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.
A: REMOVAL
1) Set the intake door actuator to RECIRC position.
Turn the ignition switch to ON.
Operate the control panel and switch to RECIRC mode.
In the condition of step (2), turn the ignition switch to OFF.
2) Remove the instrument panel assembly. <Ref. to EI-76, REMOVAL, Instrument
Pan