|
|
1.Before inspection, set the
vehicle to the pre-inspection condition.
|
|
|
2.Turn the ignition switch
to the "LOCK" (OFF) position and then connect the M.U.T.-III
to the diagnosis connector (Refer to GROUP 00 -
Precautions Before Service, M.U.T.-III  ).
|
|
3.Set the timing light to
the timing pick-up loop (white) of No. 1 ignition
coil.
4.Start the engine and let it run at
idle.
5.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.
|
| note |
In higher altitude, the
ignition timing is more advanced than the
standard value by approximately
5°.
|
| note |
Wait till approximately 1
minute passes after the engine started, and
check the ignition
timing when the engine stabilized.
|
6.Check the idle speed.
Standard
value: 650 ± 100 r/min
| note |
The idle speed is controlled
automatically by the idle speed control
system.
|
| note |
When using the M.U.T.-III,
select item No. 2 and take a reading of the idle
speed.
|
7.If the idle speed is outside the standard
value, inspect the MPI system (Refer to
GROUP 13B - Troubleshooting - Inspection chart
for trouble symptom ).
8.Remove
the timing light.
9.Turn the ignition switch to
the "LOCK" (OFF) position and then disconnect the
M.U.T.-III.
|