DTC Logic

Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
U1205 AV control unit
U1207 AV control unitVehicle information display
The vehicle information display is located to the
left of the speedometer. It displays such items as:
Home
Audio Information
Navigation Information
Drive Computer Information
Fuel Economy Information
Driving Aids Information (if so equipped)
Tire Pressure Information
Sport Inf ...
Precaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and fron ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...