Wiring Diagram
Passenger seat belt warning system
System Diagram
System Description
The seat belt warning lamp (1) will remind the driver if the driver or
front passenger seat belt should be buckled. The system works inconjunction
with the occupant classification system. Refer to SRC-10, "Occupant
Classification System (OCS)".
Passenger ...
P0420, P0430 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 sto ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tool
...