|
1.Before inspection, set the vehicle to the pre-inspection condition.
2.Turn the ignition switch to "LOCK" (OFF) position.
3.Connect the M.U.T.-III to the diagnosis connector.
|
|
4.Set the timing light to the terminal No. 4 power supply line (white-green) of the ignition
coil No. 1.
5.Start the engine and let it run at idle.
6.Check that ignition timing is at the standard value.
Standard value: approximately 10° BTDC
| note |
- The ignition timing may fluctuate within ±7°. This is normal.
- In higher altitude, the ignition timing is more advanced than the standard value
by approximately 5°.
- Wait till approximately 1 minute passes after the engine started, and check the
ignition timing when the engine stabilized.
|
7.Check the idle speed.
Standard value: 700 ± 100 r/min
| note |
- The idle speed is controlled automatically by the idle speed control system.
- When using the M.U.T.-III, select item No. 2 and take a reading of the idle speed.
|
8.If the idle speed is outside the standard value, inspect the MPI system (Refer to
GROUP 13C - Troubleshooting - Inspection chart for trouble symptom  ).
9.Remove the timing light.
10.Turn the ignition switch to the "LOCK" (OFF) position and then disconnect the M.U.T.-III.
|