Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system
Toyota Corolla (E120): ABS with EBD system
- How to proceed with troubleshooting
- Customer problem analysis check
- Pre–check
- Diagnostic trouble code chart
- Location
- Terminals of ecu
- Problem symptoms table
- Right/Left front speed sensor circuit
- Right/Left rear speed sensor circuit
- Sfr/Sfl/Srr/Srl solenoid circuit
- Open/B+ short circuit in abs motor relay circuit
- Open/Short circuit in abs solenoid relay circuit
- Low battery positive voltage or abnormally high battery positive voltage
- Open circuit in stop light switch circuit
- Pump motor is locked/open circuit in pump motor ground
- Malfunction in abs ecu
- Abs warning light circuit (does not light up)
- Brake warning light circuit
- Tc terminal circuit
- Ts terminal circuit
Other materials:
Do-it-yourself service precautions
If you perform maintenance
by yourself, be sure to follow
the correct procedure
as given in these sections.
Maintenance
WARNING
The engine compartment contains
many mechanisms and fluids that
may move suddenly, become hot,
or become electrically energized.
To avoid death or serious injury,
obser ...
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Emission inspection and maintenance (I/M) programs
Some states have vehicle
emission inspection programs
which include OBD
(On Board Diagnostics)
checks. The OBD system
monitors the operation of
the emission control system.
If the malfunction indicator
lamp comes on
The OBD system determines
that a problem exists somewhere
in the emission control
sy ...