Mazda X-5. Manual — part 12
ON-BOARD DIAGNOSTIC
01–02–25
01–02
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SIMULATION TEST [LF]
E5U010200000N06
• The simulation items are shown below.
Simulation item table
×: Applicable
—: Not applicable
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Item
Applicable component
Unit/condition
Test condition
PCM terminal
KOEO
KOER
ACCS
A/C relay
Off/On
×
×
1I
ALTF
Generator (field coil)
%
—
×
2AI
EVAPCP
Purge solenoid valve
%
×
×
2C
FAN1
Cooling fan relay No.1
Off/On
×
×
1M
FAN2
Cooling fan relay No.2
Off/On
×
×
1N
FAN3
Cooling fan relay No.3
Off/On
×
×
1R
FP
Fuel pump relay
Off/On
×
×
1H
FUELPW1
Fuel injector
%
×
×
2BB, 2BC, 2BD, 2AZ
GENVDSD
Target generator voltage
V
—
×
—
HTR11
Front HO2S heater
Off/On
×
×
2BG
HTR12
Rear HO2S heater
Off/On
×
×
2BE
IMTV
Variable intake air solenoid valve
Off/On
×
×
2J
INJ_1
Fuel injector No.1
OFF
—
×
2BB
INJ_2
Fuel injector No.2
OFF
—
×
2BC
INJ_3
Fuel injector No.3
OFF
—
×
2BD
INJ_4
Fuel injector No.4
OFF
—
×
2AZ
SEGRP
EGR valve stepping motor position
—
×
×
2K, 2G, 2L, 2H
test
Test mode
Off/On
×
×
—
VT DUTY1 Wt
CMP sensor
%
×
×
2E
MECHANICAL
01–10–1
01–10
01–10
MECHANICAL
ENGINE STRUCTURAL VIEW [LF] . . . . 01–10–1
CYLINDER HEAD COVER
CONSTRUCTION [LF] . . . . . . . . . . . . . 01–10–2
CYLINDER HEAD CONSTRUCTION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–10–2
CYLINDER HEAD GASKET
CONSTRUCTION [LF] . . . . . . . . . . . . . 01–10–2
CYLINDER BLOCK CONSTRUCTION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–10–3
CRANKSHAFT, MAIN BEARING
CONSTRUCTION [LF] . . . . . . . . . . . . . 01–10–4
CRANKSHAFT PULLEY
CONSTRUCTION [LF] . . . . . . . . . . . . . 01–10–5
ENGINE FRONT COVER
CONSTRUCTION [LF] . . . . . . . . . . . . . 01–10–5
PISTON, PISTON RING, PISTON PIN
CONSTRUCTION [LF] . . . . . . . . . . . . . 01–10–6
CONNECTING ROD, CONNECTING ROD
BEARING CONSTRUCTION [LF]. . . . . 01–10–7
DRIVE BELT CONSTRUCTION [LF] . . . 01–10–8
VALVE MECHANISM OUTLINE [LF] . . . 01–10–9
VALVE MECHANISM
STRUCTUAL VIEW [LF] . . . . . . . . . . . . 01–10–9
VALVE, VALVE SPRING,
VALVE SEAL, VALVE GUIDE
CONSTRUCTION [LF] . . . . . . . . . . . . . . 01–10–10
CAMSHAFT CONSTRUCTION [LF] . . . . 01–10–10
CAMSHAFT SPROCKET
CONSTRUCTION [LF] . . . . . . . . . . . . . . 01–10–12
CRANKSHAFT SPROCKET
CONSTRUCTION [LF] . . . . . . . . . . . . . . 01–10–12
TIMING CHAIN, CHAIN TENSIONER
CONSTRUCTION [LF] . . . . . . . . . . . . . . 01–10–13
TAPPET CONSTRUCTION [LF]. . . . . . . . 01–10–14
VARIABLE VALVE TIMING MECHANISM
OUTLINE [LF]. . . . . . . . . . . . . . . . . . . . . 01–10–14
Variable Valve Timing Mechanism . . . . 01–10–15
Hydraulic Pressure Flow Diagram. . . . . 01–10–17
VARIABLE VALVE TIMING MECHANISM
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–10–18
Component and Function . . . . . . . . . . . 01–10–18
VARIABLE VALVE TIMING ACTUATOR
CONSTRUCTION [LF] . . . . . . . . . . . . . . 01–10–20
OIL CONTROL VALVE (OCV)
CONSTRUCTION [LF] . . . . . . . . . . . . . . 01–10–20
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ENGINE STRUCTURAL VIEW [LF]
E5U011002000N01
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E5U110ZT5040
MECHANICAL
01–10–2
CYLINDER HEAD COVER CONSTRUCTION [LF]
E5U011010100N01
• The cylinder head cover is made of integrated
plastic, which is lightweight and sound absorbent.
• The oil filler cap is a bayonet type.
• The boss for installing the camshaft position
(CMP) sensor is provided at the rear of the
cylinder head cover.
• The cylinder head cover has a hole for installing
the oil control valve (OCV).
• A dipstick insertion hole has been equipped to the
cylinder head cover.
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CYLINDER HEAD CONSTRUCTION [LF]
E5U011010100N02
• The cylinder head is made of a high heat conductive, lightweight aluminum alloy, which is quenched.
• Compact, pentroof-type combustion chambers have been adopted. The spark plugs are mounted at the top of
the combustion chambers to improve combustion efficiency.
• The intake/exhaust port layout is a cross flow type, (the angle between two valves is 39°, the two intake valves
and the two exhaust valves per cylinder) which improves air intake/exhaust efficiency.
• The cylinder head bolts are
torque-to-yield type to be tightened in five motions to insure tightening stability
and cannot be reused.
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CYLINDER HEAD GASKET CONSTRUCTION [LF]
E5U011010271N01
• Cylinder head gaskets are 2 layer-metal gaskets.
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CAMSHAFT POSITION (CMP)
SENSOR ATTACHMENT PART
OIL CONTROL VALVE (OCV)
ATTACHMENT HOLE
DIPSTICK INSERTION HOLE
E5U110ZT5041
CYLINDER HEAD BOLT
EXHAUST PORT
INTAKE PORT
THE ANGLE BETWEEN
TWO VALVES
ENGINE FRONT SIDE
INTAKE SIDE
EXHAUST SIDE
E5U110ZT5007
A
A
BEAT PLATE
BEAT PLATE
A-A SECTIONAL VIEW
SHIM
E5U110ZT5008
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