7.6.6. Check of work of system in a mode of warming up of the engine

Before the check and adjustment beginning, bring the engine into a condition described below.

Temperature of cooling liquid: 80–90 °C.

Lighting, electrofan and other auxiliaries: it is switched off.

Transmission: in neutral situation (in the situation "N" or "R" for cars with an automatic transmission).

Steering wheel: in the provision of rectilinear movement.

Check, whether there corresponds frequency of rotation of a cranked shaft of the engine of idling to nominal rate.

Nominal rate:

750 + 50 ^mines-1.

At the switched-on conditioner and at installation of the switch of a heater in situation 3 (MN) or 4 (HI), be convinced that turns of idling correspond to nominal rate.

Nominal rate:

850 + 50 ^mines-1.

ATTENTION In this case there is no need to make any adjustment as turns of idling are automatically supported by system of idling (ISC). If, for any reason, frequency of idling differs from nominal rate, it is necessary to check ISC system.

Remove a perchatochny box.

Unscrew two screws, as is shown in drawing and replace the filter of purification of air.

Establish into place a perchatochny box.