Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Idle signal circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect terminal voltage(idl)

- Remove the cruise control ecu assy with connector still connected.
- disconnect the ecm connector.
- turn the ignition switch to on.
- measure voltage between terminal 13 (idl) of cruise control
ecu assy connector and body ground when the
throttle valve is fully closed and fully opened.
Ok:



2 Check harness and connector(between cruise control ecu assy and ecm)
- Check for open and short circuit in harness and connector between cruise control ecu assy and ecm


Check and replace cruise control ecu assy
Other materials:
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 ...
Uniform Tire Quality Grading
This information has been prepared in accordance with regulations issued by the
National Highway Traffic Safety Administration of the U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota vehicles with
information on uniform tire quality grading.
...
Replacement
Hint:
installation is in the reverse order of the removal. But the installation is
indicated only when it has a point.
1. Remove radiator grille sub–assy
Remove the 2 bolts and clip.
using a screwdriver, remove the radiator grille.
Hint:
tape the screwdriver tip before use. ...


