Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Open/B+ short circuit in abs motor relay
circuit
Toyota Corolla (E120): Open/B+ short circuit in abs motor relay circuit
Dtc c0273/13 open circuit in abs motor relay circuit
Dtc c0274/14 b+ short circuit in abs motor relay circuit
Other materials:
Driving support system
information display
■ Driving support system
information
Select to display the operational
status of the following systems:
LTA (Lane Tracing Assist)
LDA (Lane Departure Alertl)
Dynamic radar cruise control
■ Navigation system-linked
display (if equipped)
Select to display the following
navigation system-linke ...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
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 ...