Mazda 6. Manual — part 16
COOLING SYSTEM
E–7
E
WATER PUMP
A6E363015010T01
Structure
•
The water pump body is made of aluminum alloy for weight reduction.
•
The impeller is built into the cylinder block and the water pump is not seviceable and must be replaced as a unit
if faulty.
•
The water pump is driven by the front drive belt. (sirpentain type)
•
.
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AME3602N006
1
Water pump pulley
2
Water pump body
F–1
F
F
FUEL AND EMISSION CONTROL SYSTEMS
ABBREVIATIONS . . . . . . . . . . . . .. F-2
ABBREVIATIONS . . . . . . . . . . . . F-2
OUTLINE . . . . . . . . . . . . . . . . F-3
INTAKE-AIR SYSTEM. . . . . . . . . . .. F-13
OUTLINE (L3) . . . . . . . . . . . . . F-14
VARIABLE AIR DUCT (VAD) SHUTTER VALVE
DESCRIPTION (L3) . . . . . . . . . . F-15
VARIABLE AIR DUCT (VAD) SOLENOID VALVE
DESCRIPTION (L3) . . . . . . . . . . F-16
VARIABLE AIR DUCT (VAD) CHECK VALVE
(ONE-WAY) DESCRIPTION (L3) . . . . ... F-16
FUEL SYSTEM . . . . . . . . . . . . . . F-17
EXHAUST SYSTEM . . . . . . . . . . . . F-20
EXHAUST SYSTEM OUTLINE. . . . . . .. F-20
EXHAUST SYSTEM STRUCTURAL VIEW. ... F-21
EMISSION SYSTEM. . . . . . . . . . . . F-22
DESCRIPTION . . . . . . . . . . . ... F-24
THREE-WAY CATALYTIC CONVERTER (TWC)
DESCRIPTION . . . . . . . . . . . ... F-24
CONTROL SYSTEM. . . . . . . . . . . . F-25
RELATIONSHIP CHART . . . . . . . . F-32
(VTCS) . . . . . . . . . . . . . . . F-35
ON-BOARD DIAGNOSTIC. . . . . . . . ... F-40
OUTLINE . . . . . . . . . . . . . . ... F-40
CONTROL DEVICES AND MONITORING
SYSTEM RELATIONSHIP CHART . . . . F-40
SIMULATION TEST . . . . . . . . . . ... F-52
KOEO/KOER SELF-TEST . . . . . . . . . F-52
F–2
ABBREVIATIONS
ABBREVIATIONS
A6E390118881T01
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ABBREVIATIONS
AAS
Air adjust screw
CAN
Controller area network
DC
Drive cycle
FFD
Freeze frame data
KOEO
Key on, engine off
KOER
Key on, engine running
OCV
Oil control valve
PC
Pending code
PID
Parameter identification
TCS
Traction control system
VAD
Variable air duct
VIS
Variable intake-air system
VLIM
Variable length intake manifold
VTCS
Variable tumble control system
OUTLINE
F–3
F
OUTLINE OF CONSTRUCTION
A6E390218881T01
•
The Mazda6 (GG) has been equipped with the new engine (L series). The features of the L series engines are
as follows.
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FEATURES
A6E390218881T02
System simplification
•
Controller area network has been adopted.
•
Mechanical returnless fuel system has been adopted.
Improved engine performance
•
Variable air duct (VAD) control system has been adopted to improve engine performance at high engine speed.
(L3 engine)
•
Variable valve timing control system has been adopted to improve engine performance. (L3 engine)
•
Variable intake-air system (VIS) has been adopted to improve engine torque characteristics and combustion
efficiency. (L3 engine)
Improved emission performance
•
Variable valve timing control system has been adopted. (L3 engine)
•
Variable tumble control system (VTCS) has been adopted.
•
New fuel injection timing control has been adopted.
•
Manifold absolute pressure correction has been adopted to IAC control and fuel injection control.
Weight reduction
•
Resin fuel tank has been adopted.
Improved serviceability
•
Nonadjustable ignition timing has been adopted.
•
Nonadjustable IAC has been adopted.
•
Quick release connectors have been adopted on all joints of fuel lines.
•
KOEO/KOER self-test function has been adopted.
•
Pending code storage process has been changed.
•
MIL illumination conditions for the second drive cycle type have been changed.
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SPECIFICATIONS
A6E390218881T03
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OUTLINE
Item
L8, LF, L3
Air cleaner element
Type
Paper element (oil permeated)
IAC valve
Type
Duty control
Fuel injector
Type
Hi-ohmic
Type of fuel delivery
Top-feed
Type of drive
Voltage
Pressure regulator
Regulating pressure
(kPa {kgf/cm
2
, psi})
440 {4.5, 64}
Fuel tank
Capacity
(L {US qt, lmp qt})
64 {68, 56}
Fuel
Specification
Unleaded (RON 95 or above)
Catalyst
Type
TWC (monolithic)
EGR control
Type
Stepping motor type
Evaporative emission control
system
Type
Canister type
PCV system
Type
Closed type
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