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 subwoofers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and subwoofer connectors for the following:
2.HARNESS CHECK



3.REAR SUBWOOFER SIGNAL CHECK


4.HARNESS CHECK



5.REAR SUBWOOFER SIGNAL CHECK


Rear door speaker
AMP on signal circuitInspection and adjustment
Preliminary Check
NOTE: The Signal Tech II Tool (J-50190) can be used
to perform the following functions. Refer to the Signal Tech II User Guide
for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
  ...
Inspection and adjustment
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Description
Initial setting is necessary when battery terminal is removed.
CAUTION:
The following specified operations are not performed under the
non-initialized condition. ...
Camshaft Valve Clearance
Valve Clearance
CHECKING
NOTE:
Perform inspection as follows after removal, installation or
replacement of camshaft or valve related parts, or if there are unusual
engine conditions regarding valve clearance.
Check valve clearance while engine is cold and not running.
Remove th ...