Diagnosis system (HVAC)
U1000 CAN comm circuitInside the vehicle
   	The maintenance items listed here should be
checked on a regular basis, such as when performing
scheduled maintenance, cleaning the vehicle,
etc.
Accelerator pedal: Check the pedal for smooth
operation and make sure the pedal does not
catch or require uneven effort. Keep the floor mat
away  ...
   	
Engine block heater (if so equipped)
   	Engine block heaters are used to assist with cold
temperature starting.
The engine block heater should be used when
the outside temperature is 20F (-7C) or lower.
WARNING
	Do not use your engine block heater
	with an ungrounded electrical system or
	a 2-pronged adapter. You can be serious ...
   	
U121D AV control unit
   	DTC Logic
Diagnosis Pro
1.CHECK PLAYBACK OF A DISK (CD)
U121E AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U1225 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
 ...