Description & Operation

WARNING: Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in AIR BAG RESTRAINT SYSTEMS article.

CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

The multiplex communication system communicates among the gateway ECU, driver side junction block ECU, passenger side junction block ECU, luggage room junction block ECU, driver door ECU, front passenger door ECU, rear door LH ECU, rear door RH ECU, theft deterrent ECU, transponder key computer, moon roof control ECU, rain sensor, driver seat ECU, rear LH seat ECU, rear RH seat ECU, rear seat control switch, combination meter, skid control ECU, air bag sensor assembly, engine control module, A/C control assembly, center cluster integration panel, combination switch, clearance sonar ECU, front light ECU (also referred to as front controller), power tilt and power telescopic ECU, radio and player, multi-display and controls the following systems according to the signals from respective sensors or switches:

Anti-Theft
Automatic Light Control
Back-Up Light
Door Lock Control
Electric Tension Reducer
Front Fog Light
Fuel Lid Opener
Headlight
Horn
Illumination
Interior Light
Key Reminder
Light Auto Turn Off
Luggage Compartment Door Opener and Closer
Mirror Heater
Power Shoulder Belt Anchorage
Power Window
Rear Air Conditioning
Remote Control Mirror
Remote Keyless Entry
Seat Belt Warning
Stop Light
Taillight
Turn Signal and Hazard Warning Light
Wiper and Washer