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:
Front differential oil seal
Replacement
1. Drain manual transaxle oil
torque: 39.2 Nvm (400 Kgf·cm, 29 ft·lbf)
2. Remove front wheels
3. Remove engine under cover lh
4. Remove engine under cover rh
5. Drain transaxle oil
6. Remove front drive shaft assy lh
sst 09520–01010, 09520–24010 (09520–32040)
7. R ...
Steering wheel audio switches
Some audio features can be controlled using the switches on the steering wheel.
Operation may differ depending on the type of audio system or navigation system.
For details, refer to the manual provided with the audio system or navigation system.
Operating the audio system using the steering whe ...
Precaution
1. Notices when checking
power door lock/unlock function:
the wireless remote control function operates only when the following 3
conditions are met.
No key is inserted into the ignition key cylinder.
All the doors are closed. However, doors can be unlocked even wh ...