SYSTEM DIAGRAM
Components
CalibrationCatalyst 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 ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
DESCRIPTION
When the entry lock and unlock functions do not operate only for the front passenger
door, an error in output request codes from the front passenger door or malfunction
in the front door outside handle assembly is suspected. If the entry funct ...