Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.FRONT DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK

connector B109.


5.FRONT DOOR SPEAKER SIGNAL CHECK


Power supply and ground circuit
TweeterPrecaution
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 front ...
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...
B2190 nats antenna AMP.
Description
Performs ID verification through BCM and Intelligent Key
when push-button ignition switch is pressed.
Prohibits the start of engine when an unregistered ID of Intelligent Key is
used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCED ...