ComponentsCatalyst 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 ...
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 ...
Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the indoor electrical key oscillator (for rear floor). To detect the
key inside the cabin, the indoor electrical key oscillator (for rear floor) creates ...