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ENGINE <4D6> -
On-vehicle Service
11C-12
IDLE SPEED CHECK
11100350073
NOTE
Check that the injection timing is normal, and then perform
this check.
1. Before inspection, set the vehicle to the pre-inspection
condition.
2. Connect the MUT-II to the diagnosis connector.
3. Start the engine and check that the idle speed is at the
standard value.
Standard value: 800
±
30 r/min
4. If the idle speed is not at the standard value, refer to
GROUP 13E - Troubleshooting.
COMPRESSION PRESSURE CHECK
11100260505
1. Before inspection, check that the engine oil, starter motor
and battery are normal. In addition, set the vehicle to
the pre-inspection condition.
2. Remove the glow plug plate and all of the glow plugs.
3. Disconnect the fuel cut solenoid valve connector.
NOTE
Doing this will prevent carrying out fuel injection.
4. Cover the glow plug hole with a shop towel etc., and
after the engine has been cranked, check that no foreign
material is adhering to the shop towel.
Caution
1. Keep away from the glow plug hole when cranking.
2. If compression is measured with water, oil, fuel,
etc,. that has come from cracks inside the cylinder,
these materials will become heated and will gush
out from glow plug hole, which is dangerous.
Fuel cut solenoid
valve connector