Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2
2.CHECK SYMPTOM
Chec ...
Instrument panel assembly
Exploded View
Center speaker grille (if equipped)
Tweeter speaker grille (LH)
Front defroster grille (LH)
Instrument panel
Instrument side finisher (LH)
Lower knee protector (LH)
Instrument lower panel (LH)
Fuse block cover
Steering column lower cover (power tilt)
Ste ...
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 ...