Description
The AV control 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 AV control unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.FRONT DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK



5.FRONT DOOR SPEAKER SIGNAL CHECK

connector.

Vertical synchronizing (VP) signal circuit
TweeterP0078, P0084 EVT control magnet retarder
Description
Exhaust valve timing control magnet retarder (1) controls the shut/
open timing of the exhaust valve by ON/OFF pulse duty signals sent
from the ECM.
The longer pulse width retards valve timing.
The shorter pulse width advances valve timing.
DTC Logic
DTC DETECTION LOGIC
...
Exterior lighting system symptoms
Symptom Table
CAUTION: Perform the self-diagnosis with CONSULT
before the symptom diagnosis. Perform the trouble diagnosis if any DTC is
detected.
...
Tel antenna
Removal and Installation
REMOVAL
Disconnect the battery negative terminal. Refer to PG-67, "Removal
and Installation (Battery)".
Remove the rear parcel shelf finisher. Refer to INT-28, "Removal
and Installation".
Remove the Bluetooth antenna screw (A).
Detach the Bluetooth antenna ...