COMPONENTS
ILLUSTRATION
ILLUSTRATION
InstallationCatalyst System Efficiency Below Threshold (Bank 1) (P0420)
MONITOR DESCRIPTION
The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter
(TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor, sends pre-catalyst information to
the ECM. The second sensor, the heat ...
Precaution
PRECAUTION
1. NOTICE FOR INITIALIZATION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the cable is reconnected.
System Name
See Procedure
Back Doo ...
Bank 1 Air-Fuel Ratio Imbalance (P219A,P219C-P219F)
DESCRIPTION
Refer to DTC P0300 (See page ).
Refer to DTC P2195 (See page ).
DTC No.
DTC Detection Condition
Trouble Area
P219A
The difference in air fuel ratios between the cylinders exceeds the ...