COMPONENTS
ILLUSTRATION
On-vehicle InspectionCatalyst 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 ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure listed is for the LH side.
PROCEDURE
1. REMOVE REAR WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
If brake fluid leaks onto any pai ...
System Description
SYSTEM DESCRIPTION
1. BACK DOOR CLOSER SYSTEM DESCRIPTION
(a) Operating any power back door switch when the back door is fully closed inputs
a request signal to the power back door ECU*1 or back door closer ECU*2. The power
back door ECU*1 or back door c ...