Toyota Corolla (E120): Catalyst system efficiency below threshold

Inspection procedure

Circuit description

Other materials:

Installing child restraints
Follow the child restraint system manufacturer's instructions. Firmly secure child restraints to the seats using the LATCH anchors or a seat belt. Attach the top tether strap when installing a child restraint. The lap/shoulder belt can be used if your child restraint system is not compatible ...

General information
There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...

Adjusting the set speed
To change the set speed, operate the lever until the desired set speed is obtained. 1 Increases the speed 2 Decreases the speed Fine adjustment: Momentarily move the lever in the desired direction. Large adjustment: Hold the lever in the desired direction. The set speed will be increased or dec ...