Toyota Corolla (E120): Catalyst system efficiency below threshold

Inspection procedure

Circuit description

Other materials:

Pre–check
1. Selecting compass display mode  the compass switch allows you to select the display or non–display mode of the compass. 2. Setting zone  deviation between the ”magnetic north” and ”actual north” differs depending on the location. Therefore, adjustment of the ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

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 ...