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 switchB terminal circuit
Description
"B" terminal circuit supplies power to charge the battery and operate the
vehicle's electrical system.
Diagnosis Procedure
1.CHECK "B" TERMINAL CONNECTION
Turn ignition switch OFF.
Check if "B" terminal is clean and tight
2.CHECK "B" TERMINAL CIRCUIT
Check voltage between ...
P0138, P0158 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...
Door lock function
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH : System Diagram
DOOR LOCK AND UNLOCK SWITCH : System Description
DOOR LOCK FUNCTION
Functions Available by Operating the Door Lock and Unlock Switches on
Driver Door and Passenger Door
Interlocked with the locking operation o ...