Catalytic Converter System
Warm Up Three Way Catalytic Converter (WU-TWC) and Under-floor Three Way Catalytic Converter (Under-floor TWC)
The WU-TWC and the under-floor TWC convert hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.
WU-TWC (ATTACHED TO THE CYLINDER HEAD)

UNDER-FLOOR TWC

Inspection
Install the flange nut on the damper shaft end, and set the socket wrench
and T-handle on the nut.
Compress the damper assembly by hand, and check for smooth operation
through ...
Driver's Seat Position Sensor Operation Check
Check the driver's seat position sensor after the driver's seat position
sensor replacement.
Make sure the driver's seat is all the way forward position.
Make sure the ...
CKP Sensor Replacement
Raise the vehicle on a lift.
NOTE: Make sure the vehicle is level, because engine oil will drip out
when you remove the sensor.
Loosen the bolt (A). Remove the bolt (B) and ...