Specifications

ENGINE <4G9-GDI> – On-vehicle Service

11A-10

IDLE SPEED CHECK

1. Before inspection, set the vehicle to the pre-inspection

condition.

2. Turn off the ignition switch and then connect the MUT-II

to the diagnosis connector.

3. Check the basic ignition timing.

NOTE

Refer to P.11A-9 concerning the check procedure of the

basic ignition timing.

Standard value: 5_ BTDC ± 3_

4. Run the engine at idle for 2 minutes.

5. Check the idle speed. Select item No. 22 and take a reading

of the idle speed.

Standard value: 600 ± 50 r/min

NOTE

(1) After 4 minutes or more have passed in the idle running

condition, the idle speed will become 750 r/min.

(2) The idle speed is controlled automatically by the idle

speed control system.

6. If the idle speed is outside the standard value, inspect the

GDI components by referring to GROUP 13A –

Troubleshooting.

IDLE MIXTURE CHECK

1. Before inspection, set the vehicle to the pre-inspection

condition.

2. Connect the MUT-II to the diagnosis connector.

3. Check that the basic ignition timing is within the standard

value.

NOTE

Refer to P.11A-10 concerning the check procedure of the

basic ignition timing.

Standard value: 5_ BTDC ± 3_

4. Run the engine at 2,500 r/min for 2 minutes.

5. Set the CO, HC tester.

MUT-II