Description
When the audio system is turned on, a voltage signal is supplied from the audio unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)


2.CHECK AMP ON SIGNAL (AUDIO UNIT)

Check voltage between audio unit harness connector M132 terminal 1 and ground.

Subwoofer
Steering switchOil Pan And Oil Strainer
Exploded View
Oil pan baffle
O-ring
Gasket
Oil pressure switch
Oil cooler gasket
Oil cooler
Oil cooler connection
Oil filter
Lower oil pan
Oil strainer
Rear plate cover
Crankshaft position sensor (POS)
O-ring
Upper oil pan
Removal and Installation (Lower O ...
Inspection and adjustment
BASIC INSPECTION
BASIC INSPECTION : Special Repair Requirement
1.INSPECTION START
Check service records for any recent repairs that may indicate a
related malfunction, or a current need for
scheduled maintenance.
Open engine hood and check the following:
Harness connectors fo ...
Power supply and ground circuit
CLIMATE CONTROLLED SEAT CONTROL UNIT
CLIMATE CONTROLLED SEAT CONTROL UNIT : Diagnosis Procedure
Regarding Wiring Diagram information, refer to SE-44, "Wiring Diagram".
1.CHECK FUSES
2.CHECK BATTERY POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect climate controlled seat control ...