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:
Turn signal lever
Operating instructions
Right turn
Lane change to the right
(move the lever partway and
release it)
The right hand signals will flash 3
times.
Lane change to the left
(move the lever partway and
release it)
The left hand signals will flash 3
times.
Left turn
■Turn signals can be oper ...
Replacement
Hint: components:
1. Remove rear wheel
2. Remove rear brake drum sub–assy
3. Disconnect skid control sensor wire (w/ abs)
4. Remove rear axle hub & bearing assy lh
Remove the 4 bolts and hub & bearing assy lh.
5. Install rear axle hub & bearing assy lh
Install t ...
How to use this manual
General information
1. General description
This manual is made in accordance with sae j2008.
generally, repair operations can be separated in the following 3
main processes:
Diagnosis
Removing/installing, replacing, disassembling/reassembling,
checking and adju ...