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:
Terminals of ecu
1. Inspect integration relay
Disconnect the connector from the integration relay.
check the continuity between each terminal of the disconnected connector
and the body ground, as
shown in the illustration and table.
Standard:
If the result is not as specified, the vehicle’s ...
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 ...
For your information
Main Owner’s Manual
Please note that this manual applies to all models and explains all equipment,
including options. Therefore, you may find some explanations for equipment not installed
on your vehicle.
All specifications provided in this manual are current at the time of printing.
Howeve ...


