System Description
OUTLINE
It also has the signal transmission function as the passed point of signal and the power saving control function that reduces the power consumption with the ignition switch OFF.
CAN communication control
In CAN communication, control units are connected with 2 communication lines (CAN-L, CAN-H) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives the data but selectively reads required information only.
CAN communication signal
BCM control function list
Component Parts Location
P0139, P0159 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
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Diagnosis system (AV control unit)
Diagnosis Description
MULTIFUNCTION SWITCH AND PRESET SWITCH SELF-DIAGNOSIS FUNCTION
The ON/OFF operation (continuity) of each switch in the multifunction switch
and preset switch can be checked.
Self-Diagnosis Mode
Press the BACK switch and the
switch of the 8-direction switches with ...
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.
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