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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.
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4.Set the timing light to
the power supply line (terminal No. 3) 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.
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7.Check the idle
speed. Standard value:
650
± 100 r/min <4B11> 750 ± 100
r/min <4B12>
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.
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8.If the idle speed is outside the standard
value, inspect the MPI system (Refer to
GROUP 13A - 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.
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