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:
Steering wheel audio switches
Some audio features can be controlled using the switches on the steering wheel.
Operation may differ depending on the type of multimedia system or navigation
system. For details, refer to the manual provided with the multimedia system or
navigation system.
Operating the multimedia system using ...
Refueling
Opening the fuel tank cap
Perform the following steps
to open the fuel tank cap:
Before refueling the vehicle
Turn the engine switch off and
ensure that all the doors and
windows are closed.
Confirm the type of fuel.
■Fuel tank opening for unleaded
gasoline
To help prevent incorrect fueling, ...
Radiator assy
Replacement
1. Drain coolant
2. Separate radiator hose inlet
3. Separate radiator hose outlet
4. Separate oil cooler inlet tube no.1
5. Separate oil cooler outlet tube no.1
6. Remove radiator assy
disconnect the fan motor connector.
disconnect two clamps for wire–harness fr ...


