Toyota Corolla (E120): Catalyst system efficiency below threshold

Inspection procedure

Circuit description

Other materials:

Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control valve (ocv) and the vvt controller. The ecm sends a target ”duty–cycle” control signal to the ocv. This control signal, applied to the ocv, regulates the oil pressure supplied to the vvt controller. Camshaft timin ...

Tape is tangled due to incorrect tape speed or auto–reverse malfunction
Inspection procedure 1 Check for any foreign object Check for any foreign object. Check that no foreign material and troubles are detected in the radio receiver assembly cassette tape player. Standard: no foreign material and trouble detected. 2 Replace cassette tape with an ...

Receiving a phone call
Answering the phone Press the off-hook switch. Refusing a call Press the on-hook switch. Receiving a call when on another call Press the off-hook switch. Pressing the off-hook switch again returns you to the previous call. Adjusting the ringtone volume when receiving a call Change the ringto ...