COMPONENTS
ILLUSTRATION
ILLUSTRATION
Engine Switch
InspectionComponents
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
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Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 CONSOLE BOX CARPET
(a) Remove the No. 1 console box carpet.
2. REMOVE INSTRUMENT PANEL CUP HOLDER DAMPER
(a) Pull the instrument panel cup holder da ...
Catalyst 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 ...