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:
Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that
the warning message and light go off.
■Warning buzzer ...
How to proceed with troubleshooting
1 Vehicle brought in
2 Customer problem analysis check and symptom check
3 Problem symptoms table
Without applicable symptoms, proceed to ”a”
with applicable symptoms, proceed to ”b”
4 Perform troubleshooting in the following method, depending on
malfunction symptom ...
Inspection procedure
1 Check operation(overdrive)
Drive the vehicle after the engine warms up.
check that overdrive on e off occurs by an operation of the o/d
switch on–off.
2 Inspect terminal voltage(od)
Remove the cruise control ecu assy with the connector
still connected.
tur ...


