Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Diagnosis circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect dlc3 terminal voltage

- Turn the ignition switch to on.
- measure voltage between terminals 13 (tc) and 4 (cg) of
dlc3.
Ok: voltage: 10 – 16 v


2 Check harness and connector(between cruise control ecu assy and dlc3)
- Check for open and short circuit in harness and connector between cruise control ecu assy and dlc3


Check and replace cruise control ecu assy
Other materials:
Under hood
General maintenance
1. General notes
maintenance requirements vary depending on the country.
Check the maintenance schedule in the owner’s manual supplement.
Following the maintenance schedule is mandatory.
Determine the appropriate time to service the vehicle using either miles
driv ...
Audio system types
► Without Multimedia system
► With Multimedia system
► With navigation system
Owners of models equipped with a navigation system should refer to the “Navigation
System Owner's Manual”.
■Using cellular phones
Interference may be heard through the audio system ...
Evap monitor (vacuum pressure monitor)
Notice:
a cold soak must be performed prior to conducting the drive pattern to complete
the internal pressure
readiness monitor.
Cold soak preconditions
The monitor will not run unless:
mil is off.
Fuel level is approximately 1/2 to 3/4.
Altitude is 7800 feet (2400 m) or less.
...


