ENGINE MECHANICAL (M13 ENGINE) 6A2-7
Timing retarding
When the duty ratio of the signal output from the ECM is light, the
spool valve of the oil control valve moves to the right (head for the
coil). By this spool valve movement, the pressurized oil is led into
the chambers for timing retarding and the oil in the chambers for
timing advancing is drained. This operations actuate the rotor and
result in the retarded timing of the intake valve.
Targeted timing varying operation
DRIVING
CONDITION
VALVE TIMING
TARGET OF CONTROL
EFFECT
Engine running at idle
speed
Most retarded
To shorten the valve opening overlap
in order to prevent the exhaust gas
counterflow to intake manifold.
Stabilization of the
engine rotation at idle
speed.
Average engine load
range
To the advanced side
To lengthen the valve opening over-
lap in order to enhance the internal
exhaust gas recirculation and
reduce the pumping loss.
Improvement of the fuel
efficiency.
Lowering of the exhaust
emission.
Light engine load
range
To the retarded side
To shorten the valve opening overlap
in order to prevent the exhaust gas
counterflow to intake manifold.
Keeping of the engine
stability.
Low or average
engine speed range
with heavy engine
load
To the advanced side
To advance the closing timing of the
intake valve in order to improve the
volumetric efficiency.
Improvement of gener-
ating the engine torque
at low and average
engine speed.
High engine speed
range with heavy
engine load
To the retarded side
To retard the closing timing of the
intake valve in order to improve the
volumetric efficiency.
Improvement of gener-
ating the engine power.
Low engine coolant
temperature
Most retarded
To shorten the valve opening overlap
in order to prevent the exhaust gas
counterflow to intake manifold and
reduce the fuel increasing.
To slow the fast idle speed of the
engine as a result of stabilizing the
engine idling.
Stabilization of the fast
idling of the engine.
Improvement of the fuel
efficiency.
At engine starting and
stopping
Most retarded
To shorten the valve opening overlap
in order to prevent the exhaust gas
counterflow to intake manifold.
Improvement of start
ability
Содержание Wagon R Plus RB310
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Страница 57: ...0B 24 MAINTENANCE AND LUBRICATION...
Страница 65: ...1B 8 AIR CONDITIONING OPTIONAL...
Страница 91: ...3D 16 FRONT SUSPENSION...
Страница 141: ...4A 20 FRONT DRIVE SHAFT G10 M13 ENGINES...
Страница 153: ...5 6 BRAKES...
Страница 163: ...5B 6 FRONT BRAKE...
Страница 290: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS M13 ENGINE 6 2 115 A Fig 1 for Step 3 B Fig 3 for Step 8 C Fig 2 for Step 7...
Страница 294: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS M13 ENGINE 6 2 119 A Fig 1 for Step 3 B Fig 3 for Step 8 C Fig 2 for Step 7...
Страница 308: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS M13 ENGINE 6 2 133 A Fig 1 for Step 5 B Fig 2 for Step 9...
Страница 418: ...ENGINE MECHANICAL M13 ENGINE 6A2 79 Main Bearings Crankshaft and Cylinder Block Components...
Страница 435: ...6A2 96 ENGINE MECHANICAL M13 ENGINE...
Страница 457: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM M13 ENGINE Engine and Emission Control System Flow Diagram...
Страница 519: ...6H 4 CHARGING SYSTEM G10 M13 ENGINES...
Страница 539: ...7A2 16 MANUAL TRANSAXLE M13 ENGINE Transaxle Case Components...
Страница 553: ...7A2 30 MANUAL TRANSAXLE M13 ENGINE Input Counter Shaft Components...
Страница 576: ...AUTOMATIC TRANSAXLE M13 ENGINE 7B1 7 Table of Component Operation...
Страница 690: ...AUTOMATIC TRANSAXLE M13 ENGINE 7B1 121...
Страница 789: ...7C 14 CLUTCH G10 M13 ENGINES...
Страница 797: ...7D 8 TRANSFER...
Страница 821: ...8B 4 LIGHTING SYSTEM...
Страница 827: ...8C 6 INSTRUMENTATION DRIVER INFORMATION...
Страница 839: ...8G 12 IMMOBILIZER CONTROL SYSTEM G10 M13 ENGINES...
Страница 845: ...9 6 BODY SERVICE...
Страница 846: ...Prepared by 1st Ed August 2003 Printed in Japan 844...