WARNING
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Exhaust gas (carbon monoxide)U0101 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
P0420 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
Diagnosis system (BCM)
Common item
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
Application item
Consult performs the following functions via can communication with bcm.
System application
BCM can perform the following functions.
Door lock
Door lock : consult function (bcm - door lock)
Data monitor
...