Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Seat position airbag sensor
malfunction
Toyota Corolla (E120): Seat position airbag sensor malfunction
Dtc b1153/25 seat position airbag sensor malfunction
Other materials:
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alterna ...
Circuit description
The crankshaft position sensor (ne signal) consists of a magnet, iron core
and pickup coil.
The ne signal plate (crankshaft position sensor plate) has 34 teeth and is
installed on the crankshaft. The
ne signal sensor generates 34 signals for each engine revolution. This sensor
monitors a p ...
Changing audio source
1 Press the “AUDIO” button to display the audio source selection screen.
If the audio source selection screen is not displayed, press the “AUDIO” button
again.
2 Select the desired audio source.
1 Select the desired audio source then
or
to reorder.
...