Mazda X-5. Manual — part 44
CONTROL SYSTEM
01–40–49
01–40
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR FUNCTION [LF]
E5U014018210N01
• Detects intake air pressure in the intake manifold.
End Of Sie
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR CONSTRUCTION/OPERATION [LF]
E5U014018210N02
• When pressure is applied to the piezoelectric
element in the sensor, an electric potential
difference occurs. Output voltage increases as
the intake air pressure increases.
End Of Sie
BAROMETRIC PRESSURE (BARO) SENSOR FUNCTION [LF]
E5U014018211N01
• Detects the BARO.
End Of Sie
BAROMETRIC PRESSURE (BARO) SENSOR CONSTRUCTION/OPERATION [LF]
E5U014018211N02
• The BARO sensor is integrated in the PCM.
• The piezoelectric element is enclosed in the sensor and the electric potential difference changes as the BARO
drops. The output voltage decreases as the BARO decreases.
End Of Sie
MAP SENSOR
E5U140ZW5308
MAP SENSOR
PCM
MAP SENSOR
CHARACTERISTIC
OUTPUT
VOLTAGE
INTAKE AIR
PRESSURE
LARGE
HIGH
C3U0140S049
BARO SENSOR
VOLTAGE
CHARACTERISTIC
OUTPUT
VOLTAGE
BAROMETRIC
PRESSURE
HIGH
HIGH
LOW
LOW
E5U140ZW5404
CONTROL SYSTEM
01–40–50
KNOCK SENSOR (KS) FUNCTION [LF]
E5U014018920N01
• Detects abnormal combustion in the engine.
End Of Sie
KNOCK SENSOR (KS) CONSTRUCTION/OPERATION [LF]
E5U014018920N02
• Installed on the cylinder block (intake manifold
side).
• Converts vibration from abnormal combustion in
the engine to voltage using the piezoelectric effect
in the semi-conductor and outputs it to the PCM.
• The piezoelectric effect is a phenomenon in which
a difference in electric potential is produced on
the surface of a piezoelectric element by the
application of tensile load or pressure from a
certain direction. Tensile load and pressure
applied to the KS originates from engine vibration
caused by abnormal combustion in the engine.
The difference in electric potential, which results
from the distortion by the vibration, is sent to the
PCM as a knocking signal.
End Of Sie
KNOCK SENSOR
E5U140ZW5309
02–00–1
02
SUSPENSION
SECTION
02–00
Toc of SCT
OUTLINE . . . . . . . . . . . . . . . . . . 02-00
ON-BOARD DIAGNOSTIC . . . . 02-02
WHEEL AND TIRES . . . . . . . . . 02-12
FRONT SUSPENSION . . . . . . . 02-13
REAR SUSPENSION . . . . . . . . 02-14
Toc of SCT
02–00
OUTLINE
SUSPENSION ABBREVIATIONS . . . . . . 02–00–1
SUSPENSION FEATURES. . . . . . . . . . . . 02–00–1
SUSPENSION SPECIFICATIONS . . . . . . 02–00–2
End of Toc
SUSPENSION ABBREVIATIONS
E5U020000000N01
End Of Sie
SUSPENSION FEATURES
E5U020000000N02
End Of Sie
CAN
Controller Area Network
CM
Control Module
RF signal(s)
Radio Frequency Signal(s)
OFF
Switch Off
ON
Switch On
PID
Parameter Identification
TPMS
Tire Pressure Monitoring System
WDS
Worldwide Diagnostic System
Improved rigidity and handling
stability
• In-wheel-type double-wishbone front suspension adopted
• Front crossmember with integrated side members adopted
• Front suspension tower bar adopted
• Aluminum front upper arm and aluminum front lower arm adopted
• Damper lever ratio of rear shock absorbers set at approx. 1.0
Improved handling performance and
riding comfort
• Rear crossmember with a six-point mounting system adopted
• Zero-stopper-clearance bushings adopted
• Roll axis position optimized
• Gas-filled monotube shock absorbers adopted for the front and rear
• Layout of links and shock absorbers optimized
Enlarged trunk compartment
• Emergency puncture repair kit adopted (No spare tire)
• Rear coil springs placed below floor level
Improved marketability
• Adhesive-type balance weights adopted
Environmental consideration
• Steel balance weights adopted to reduce the use of lead
Improved safety
• Run-flat tire adopted for standard suspension equipped with 17-inch wheel and tire
Tire condition maintenance
assistance
• Tire pressure monitoring system (TPMS) adopted
• The flat tire warning function as well as TPMS have been adopted for vehicles with
run-flat tires.
OUTLINE
02–00–2
SUSPENSION SPECIFICATIONS
E5U020000000N03
Suspension
*
: Unloaded: Fuel tank is full. Engine coolant and engine oil are at specified level. Jack and tools are in
designated position.
Wheel and Tire
End Of Sie
Item
Specification
Vehicle equipped with 16-
inch wheel and tire
Vehicle equipped with 17-
inch wheel and tire
Front
suspension
Type
Double-wishbone
Spring type
Coil spring
Shock absorber type
Monotube type: High-pressure gas charged, cylindrical, double-
acting
Stabilizer
Type
Torsion bar
Diameter
(mm {in})
21.0 {0.83}
Wheel
alignment
(Unloaded*)
Total
toe-in
Tire
[Tolerance
±4 {0.15}]
(mm {in})
2 {0.08}
Rim inner
1.2
±2.4 {0.05±0.09}
1.4
±2.8 {0.06±0.11}
Degree
0
°11′±21′
Maximum steering
angle
[Tolerance
±3°]
Inner
38
°42′
Outer
32
°54′
Caster angle (Reference)
[Tolerance
±1°]
5
°59′
6
°06′
Caster angle (Reference)
[Tolerance
±1°]
-0
°07′
-0
°15′
Steering axis inclination
(Reference)
10
°39′
10
°47′
Rear
suspension
Type
Multi-link
Spring type
Coil spring
Shock absorber type
Monotube type: High-pressure gas charged, cylindrical, double-
acting
Stabilizer
Type
Torsion bar
Diameter
(mm {in})
11.0 {0.43}
Standard suspension:
11.0 {0.43}
Sport suspension: 12.0 {0.47}
Wheel
alignment
(Unloaded*)
Total
toe-in
Tire
[Tolerance
±4 {0.15}]
(mm {in})
3 {0.12}
Rim inner
1.8
±2.4 {0.071±0.094}
2.2
±2.8 {0.083±0.110}
Degree
0
°17′±22′
Camber angle [Tolerance
±1°]
-1
°04′
-1
°11′
Item
Specification
Tire
Size
205/50R16 87V
205/45R17 84W
Wheel
Size
16 x 6 1/2J
17 x 7J
Material
Aluminum alloy
Offset
(mm {in})
55 {2.17}
Pitch circle
diameter
(mm {in})
114.3 {4.50}
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