Removal and installation
Basic inspectionP0420, 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 ...
Diagnosis sensor unit
Removal and Installation
WARNING:
Before servicing, turn ignition switch OFF, disconnect both
battery terminals and wait at least 3 minutes.
Before disconnecting the air bag sensor unit harness
connector, be sure to disconnect the harness connector of each air bag
module and pre-tens ...
Front fog lamp
System Diagram
System Description
BCM (Body Control Module) controls front fog lamp operation.
IPDM E/R (Intelligent Power Distribution Module Engine Room) operates
front fog lamp according to CAN communication signals from BCM.
Combination meter operates front fog lamp indicator accor ...