Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Seat belt buckle switch (lh)
malfunction
Toyota Corolla (E120): Seat belt buckle switch (lh) malfunction
Dtc b0126/27 seat belt buckle switch (lh) malfunction
Dtc b0127/27 seat belt buckle switch (lh) malfunction
Other materials:
Engine hood/door
Preparation
Sst
Recomended tools
Equipment
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Customizing vehicle features
It is possible to customize the language and Eco Driving Indicator Light settings
using the “DISP” switch.
When customizing vehicle features, ensure that the vehicle is parked in a safe
place with the shift the shift lever to P (continuously variable transmission) or
N (manual transmissio ...
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...