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. SEDAN MODEL
1) Disconnect the ground cable from battery and wait for at least 60 seconds
before starting work.
CAUTION:
The airbag system is fitted with a backup power supply. After disconnecting the
battery ground cable,
the airbag may operate if you do not wait for 60 seconds befor