Toyota Corolla (E120) 2002–2008 Repair Manual / Steering column / Steering system / On–vehicle inspection
Toyota Corolla (E120): On–vehicle inspection
1. Check steering wheel freeplay

- Stop the vehicle and face the tires straight ahead.
- rock the steering wheel gently up and down by your
hand, check the steering wheel freeplay.
Maximum freeplay: 30 mm (1.18 In.)
Other materials:
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 ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag 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 front seat airbag assy ...
Symptom simulation
Hint:
the most difficult case in troubleshooting is when no symptoms occurs. In such
cases, a thorough customer
problem analysis must be carried out. Then the same or similar conditions and
environment in which the
problem occurred in the customer’s vehicle should be simulated. No matter ho ...


