Description
The main body ecu detects the condition of the door courtesy switch.
Wiring diagram

Inspection procedure

Ok: condition sign can be displayed.


Standard resistance:
front lh, front rh, rear lh, rear rh, back door



Standard resistance:
Front door lh 
Front door rh 
Rear door rh 
Rear door lh 
Back door 

Replace instrument panel junction block (main body ecu)
Light control switch circuit
Door lock position circuitIf the vehicle battery is discharged
The following procedures
may be used to start the
engine if the vehicle's battery
is discharged.
You can also call your
Toyota dealer or a qualified
repair shop.
Restarting the engine
If you have a set of jumper (or
booster) cables and a second
vehicle with a 12-volt battery,
you can jump start you ...
Intuitive parking assist
The distance from your
vehicle to objects, such as a
wall, when parallel parking
or maneuvering into a
garage is measured by the
sensors and communicated
via the multi-information
display or Multimedia Display
and a buzzer. Always
check the surrounding area
when using this system.
System components
...
Internal control module random access memory (ram) error
Description
The ecm continuously monitors its own internal memory status, internal
circuits, and output signals
transmitted to the throttle actuator. This self-check ensures that the ecm is
functioning properly. If any
malfunction is detected, the ecm sets the appropriate dtc and illumina ...