INTELLIGENT KEY SYSTEM : System Description
SYSTEM DIAGRAM

SYSTEM DESCRIPTION
NOTE: The driver should always carry the Intelligent Key


System (power door lock system)System Diagram System Description DOOR LOCK FUNCTION The door lock and unlock switch (driver side) is built into power window main switch. The door lock and unlock switch (pa ...

DOOR LOCK FUNCTION : System Description SYSTEM DIAGRAM DOOR REQUEST SWITCH OPERATION When pressing the request switch, it is possible to lock and unlock the door by carrying the Intelligent ...
Additional service when replacing
ECM
Description
When replacing ECM, the following procedure must be performed.
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform the programming.
Work Procedure
1.CHECK ECM PART NUMBER
Che ...
U0073 Communication bus a off
DTC Logic
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0073
Control Module Communication
Bus "A" Off
When the ignition switch is ON,
TCM detects a bus-off error
continuously for 2 seconds or
more.
Harness or connector
(CA ...