Diagnosis system (combination meter)
Description
COMBINATION METER SELF-DIAGNOSIS MODE
The information display, speedometer and tachometer can be checked in
self-diagnosis mode.
STARTING COMBINATION METER SELF-DIAGNOSIS MODE
NOTE:
Check combination meter power supply and ground circuits if
self-diagnosis mode does not star ...
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 ...
Removal and installation
EXHAUST SYSTEM
Exploded View
Sub muffler
Spring
Mounting rubber
Seal bearing
Catalyst shroud (upper)
Seal bearing
Exhaust front tube
Spring
Catalyst shroud (lower)
Clamp
Heated oxygen sensor 2
Ring gasket
Mounting rubber
Main muffler
Exhaust finisher (if equipped ...