COMPONENTS
ILLUSTRATION
RemovalPrecaution
PRECAUTION
NOTICE:
When the ignition switch is turned off and the engine temperature is
high, the cooling fans may operate for a maximum of 6 minutes.
After turning the ignition switch off, keep hands and objects away from
the fans when t ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the window defogger system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
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 ...