Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below
threshold
Toyota Corolla (E120): Catalyst system efficiency below threshold
Dtc p0420 catalyst system efficiency below threshold (bank 1)
Other materials:
Inspection procedure
1 Check un–lock warning switch assy
Disconnect the key unlock warning switch connector.
check the continuity between the terminals of the key unlock
warning switch connector, as shown in the illustration
and table.
Standard:
2 Check wire harness (tvip ecu unlock warni ...
Safety Connect
*: If equipped
Safety Connect is a subscription-
based telematics
service that uses Global
Positioning System (GPS)
data and embedded cellular
technology to provide
safety and security features
to subscribers. Safety Connect
is supported by Toyota's
designated response
center, which operates 24
hour ...
Before driving
Floor mat
Use only floor mats designed specifically for vehicles of the same model and
model year as your vehicle. Fix them securely in place onto the carpet.
1 Insert the retaining hooks (clips) into the floor mat eyelets.
2 Turn the upper knob of each retaining hook (clip) to secure the flo ...