Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Malfunction in abs ecu / Circuit description
Toyota Corolla (E120): Circuit description

Hint
: there is a case that hand–held tester cannot be used when ecu is abnormal.
Wiring diagram

Other materials:
Vehicle load limits
Vehicle load limits include total load capacity, seating capacity, towing
capacity and cargo capacity.
◆ Total load capacity (vehicle capacity weight):
Total load capacity means the combined weight of occupants, cargo and luggage.
◆ Seating capacity: 5 occupants (Front 2, Rear 3)
S ...
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
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 horn button assy.
release the airbag activ ...
Inspection
1. Cooling fan relay
Inspect the cooling fan relay continuity.
Using an ohmmeter, check that there is continuity
between terminals 1 and 2.
If there is no continuity, replace the relay.
Check that there is no continuity between terminals
3 and 5.
If there is conti ...


