| Description |



| Removal |
| Catalytic Converter (WCC) |
| Catalytic Converter (UCC) |
| Installation |
| Catalytic Converter (WCC) |
| Catalytic Converter (UCC) |
Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components.
Description and operation Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load.
Repair procedures Inspection 1. Turn the ignition switch ON. 2. Manually operate the control switch and measure the voltage of the blower motor. 3. Select the control switch to raise the voltage until high speed.