Emission System
WL-C Engine
Intake Shutter Valve
•
The WL-C engine uses a three-step ISV, which increases the EGR rate at low engine
speeds and prevents bucking movements of the engine during shut-off. The operation is
similar to the ISV used on the Mazda6 pre F/L (2.0 MZR-CD).
BT-50_01026
1
Fully opened at normal driving (for low
EGR rate or no EGR)
4
First vacuum actuator operates for high
EGR rate and shortly when the engine is
shut off
2
Fully closed when the engine is shut off
5
Second vacuum actuator operates
shortly when the engine is shut off
3
Slightly opened to create vacuum (for
high EGR rate)
NOTE:
Function and operation of the ISV are as described for the Denso common rail
system in the course ‘Basic Diesel Engine Management’ (CT-L2005).
01-38 Service
Training
BT-50
Содержание B-Series
Страница 1: ...Training Manual Mazda BT 50 NMT 009 ...
Страница 8: ...Table of Contents Notes Service Training BT 50 ...
Страница 24: ...General Information Notes 00 16 Service Training BT 50 ...
Страница 26: ...WL C Engine Engine Overview BT 50_01002 01 2 Service Training BT 50 ...
Страница 66: ...Control System WL C Engine System Overview BT 50_01037 01 42 Service Training BT 50 ...
Страница 80: ...Control System WL C Engine Notes 01 56 Service Training BT 50 ...
Страница 83: ...Suspension Rear Suspension BT 50_02004 1 4WD 3 Shock absorber 2 2WD 4 Leaf spring Service Training BT 50 02 3 ...
Страница 86: ...Wheels and Tyres Suspension Notes 02 6 Service Training BT 50 ...
Страница 131: ...Body Accessories Lighting System Wiring Diagram BT 50_09028 Service Training BT 50 09 13 ...
Страница 144: ...Control System Body Accessories Wiring Diagram BT 50_09027 09 26 Service Training BT 50 ...