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:
Check open circuit
For the open circuit in the wire harness in fig. 1, Perform
a resistance check in step (b) or a voltage check in step
(c) to locate the section.
Check the resistance.
Disconnect connectors a and c and measure the
resistance between them.
Resistance: 1 Ω or les ...
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensio ...
Circuit description
The ignition switch provides circuit power and the ecm provides the circuit
ground that illuminates the mil.
Mil operation is checked visually:
it should be illuminated when the ignition is first turned on. If the mil is off
all of the time or on all of the time,
use the procedure below to ...