COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
Radio Receiver
RemovalCatalyst 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 ...
Checking Monitor Status
CHECKING MONITOR STATUS
The purpose of the monitor result (mode 06) is to allow access to the results
of on-board diagnostic monitoring tests of specific components/systems that are
not continuously monitored. Examples are catalysts and evaporative emissi ...
PBD Pulse Sensor Malfunction (B2222)
DESCRIPTION
A pulse sensor is built into the power back door ECU (power back door
motor unit) to detect foreign objects and the back door position. The pulse
sensor monitors the operating speed of the back door to detect foreign objects.
Th ...