Mazda X-5. Manual — part 32
CONTROL SYSTEM
01–40–1
01–40
01–40
CONTROL SYSTEM
ENGINE CONTROL SYSTEM OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–3
Features . . . . . . . . . . . . . . . . . . . . . . . . 01–40–3
Specification. . . . . . . . . . . . . . . . . . . . . 01–40–3
ENGINE CONTROL SYSTEM
STRUCTURAL VIEW [LF]. . . . . . . . . . . 01–40–4
ENGINE CONTROL SYSTEM DIAGRAM
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–5
ENGINE CONTROL SYSTEM
WIRING DIAGRAM [LF] . . . . . . . . . . . . 01–40–6
ENGINE CONTROL SYSTEM
BLOCK DIAGRAM [LF] . . . . . . . . . . . . 01–40–8
ENGINE CONTROL SYSTEM
RELATION CHART [LF] . . . . . . . . . . . . 01–40–9
MAIN RELAY CONTROL OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–11
MAIN RELAY CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . 01–40–11
MAIN RELAY CONTROL OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–11
DRIVE-BY-WIRE CONTROL OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–11
DRIVE-BY-WIRE CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . 01–40–12
DRIVE-BY-WIRE CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . 01–40–13
Idle Speed Control . . . . . . . . . . . . . . . . 01–40–13
Accelerator Control . . . . . . . . . . . . . . . 01–40–13
Traction Control . . . . . . . . . . . . . . . . . . 01–40–14
Cruise Control . . . . . . . . . . . . . . . . . . . 01–40–14
DRIVE-BY-WIRE RELAY CONTROL
OUTLINE [LF] . . . . . . . . . . . . . . . . . . . . 01–40–15
DRIVE-BY-WIRE RELAY CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . 01–40–15
VARIABLE INTAKE AIR CONTROL
OUTLINE [LF] . . . . . . . . . . . . . . . . . . . . 01–40–15
VARIABLE INTAKE AIR CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . 01–40–15
VARIABLE INTAKE AIR CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . 01–40–16
VARIABLE VALVE TIMING CONTROL
OUTLINE [LF] . . . . . . . . . . . . . . . . . . . . 01–40–16
VARIABLE VALVE TIMING CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . 01–40–16
VARIABLE VALVE TIMING CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . 01–40–16
Cleaning Mode . . . . . . . . . . . . . . . . . . . 01–40–16
Maximum Cam Retard Mode . . . . . . . . 01–40–17
Feedback Hold Mode . . . . . . . . . . . . . . 01–40–17
Feedback Mode . . . . . . . . . . . . . . . . . . 01–40–18
Advance Spark Speed Correction . . . . 01–40–18
Valve Timing Determination . . . . . . . . . 01–40–18
FUEL INJECTION CONTROL
OUTLINE [LF] . . . . . . . . . . . . . . . . . . . . 01–40–18
FUEL INJECTION CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . 01–40–19
FUEL INJECTION CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . 01–40–20
Operation . . . . . . . . . . . . . . . . . . . . . . . 01–40–20
Injection Time. . . . . . . . . . . . . . . . . . . . 01–40–20
Determination of Effective
Injection Time. . . . . . . . . . . . . . . . . . . 01–40–21
Fuel Cut. . . . . . . . . . . . . . . . . . . . . . . . . 01–40–23
FUEL PUMP CONTROL OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–24
FUEL PUMP CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–24
FUEL PUMP CONTROL OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–24
Operation Condition . . . . . . . . . . . . . . . 01–40–24
Operation Inhibition Condition . . . . . . . . 01–40–24
ELECTRONIC SPARK ADVANCE (ESA)
CONTROL OUTLINE [LF] . . . . . . . . . . . 01–40–24
ELECTRONIC SPARK ADVANCE (ESA)
CONTROL BLOCK DIAGRAM [LF] . . . . 01–40–25
ELECTRONIC SPARK ADVANCE (ESA)
CONTROL OPERATION [LF]. . . . . . . . . 01–40–26
Ignition Method . . . . . . . . . . . . . . . . . . . 01–40–26
Determination of Ignition Timing . . . . . . 01–40–27
Ignition Inhibition Condition . . . . . . . . . . 01–40–28
EVAPORATIVE PURGE CONTROL
OUTLINE [LF]. . . . . . . . . . . . . . . . . . . . . 01–40–28
EVAPORATIVE PURGE CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–29
EVAPORATIVE PURGE CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . . 01–40–29
Determination of Purge Solenoid Valve
Energization Time . . . . . . . . . . . . . . . . 01–40–29
Calculation Method for Purge
Flow Amount . . . . . . . . . . . . . . . . . . . . 01–40–29
Operation Conditions . . . . . . . . . . . . . . 01–40–29
EGR CONTROL OUTLINE [LF] . . . . . . . . 01–40–30
EGR CONTROL BLOCK DIAGRAM
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–30
EGR CONTROL OPERATION [LF] . . . . . 01–40–30
Stepping Motor Operation Principles . . 01–40–30
Control Outline . . . . . . . . . . . . . . . . . . . 01–40–31
Target EGR Valve Position . . . . . . . . . . 01–40–31
Inhibition Conditions . . . . . . . . . . . . . . . 01–40–31
HEATED OXYGEN SENSOR (HO2S)
HEATER CONTROL OUTLINE [LF] . . . 01–40–32
HEATED OXYGEN SENSOR (HO2S)
HEATER CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–32
HEATED OXYGEN SENSOR (HO2S)
HEATER CONTROL OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–32
Operation Conditions . . . . . . . . . . . . . . 01–40–32
A/C CUT-OFF CONTROL OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–33
A/C CUT-OFF CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–33
A/C CUT-OFF CONTROL OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–33
ELECTRICAL FAN CONTROL OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–34
ELECTRICAL FAN CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–34
ELECTRICAL FAN CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . . 01–40–34
STARTER CUT-OFF CONTROL
OUTLINE [LF]. . . . . . . . . . . . . . . . . . . . . 01–40–36
STARTER CUT-OFF CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–36
CONTROL SYSTEM
01–40–2
STARTER CUT-OFF CONTROL
OPERATION [LF] . . . . . . . . . . . . . . . . . . 01–40–36
GENERATOR CONTROL OUTLINE
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–37
GENERATOR CONTROL
BLOCK DIAGRAM [LF] . . . . . . . . . . . . . 01–40–37
GENERATOR CONTROL OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–37
Determination of Field Coil
Excitation Time . . . . . . . . . . . . . . . . . . 01–40–37
Control . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–37
CONTROLLER AREA NETWORK (CAN)
OUTLINE [LF]. . . . . . . . . . . . . . . . . . . . . 01–40–38
PCM FUNCTION [LF]. . . . . . . . . . . . . . . . 01–40–39
Function List . . . . . . . . . . . . . . . . . . . . . 01–40–39
PCM CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–39
Structure . . . . . . . . . . . . . . . . . . . . . . . . 01–40–39
NEUTRAL SWITCH FUNCTION [LF] . . . 01–40–40
NEUTRAL SWITCH
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–40
CLUTCH PEDAL POSITION (CPP)
SWITCH FUNCTION [LF]. . . . . . . . . . . . 01–40–40
CLUTCH PEDAL POSITION (CPP)
SWITCH CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–40
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR FUNCTION [LF] . . . . . . 01–40–41
ENGINE COOLANT TEMPERATURE
(ECT) SENSOR
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–41
INTAKE AIR TEMPERATURE (IAT)
SENSOR FUNCTION [LF] . . . . . . . . . . . 01–40–42
INTAKE AIR TEMPERATURE (IAT)
SENSOR CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–42
CRANKSHAFT POSITION (CKP)
SENSOR FUNCTION [LF] . . . . . . . . . . . 01–40–43
CRANKSHAFT POSITION (CKP)
SENSOR CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–43
CAMSHAFT POSITION (CMP) SENSOR
FUNCTION [LF] . . . . . . . . . . . . . . . . . . . 01–40–44
CAMSHAFT POSITION (CMP) SENSOR
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–44
THROTTLE POSITION (TP) SENSOR
FUNCTION [LF] . . . . . . . . . . . . . . . . . . . 01–40–45
THROTTLE POSITION (TP) SENSOR
CONSTRUCTION/OPERATION [LF]. . . 01–40–45
ACCELERATOR PEDAL POSITION
(APP) SENSOR FUNCTION [LF] . . . . . 01–40–46
ACCELERATOR PEDAL POSITION
(APP) SENSOR
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–46
MASS AIR FLOW (MAF) SENSOR
FUNCTION [LF] . . . . . . . . . . . . . . . . . . . 01–40–47
MASS AIR FLOW (MAF) SENSOR
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–47
HEATED OXYGEN SENSOR (HO2S)
FUNCTION [LF] . . . . . . . . . . . . . . . . . . . 01–40–47
HEATED OXYGEN SENSOR (HO2S)
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–48
Front HO2S . . . . . . . . . . . . . . . . . . . . . 01–40–48
Rear HO2S. . . . . . . . . . . . . . . . . . . . . . 01–40–48
MANIFOLD ABSOLUTE PRESSURE
(MAP) SENSOR FUNCTION [LF] . . . . . 01–40–49
MANIFOLD ABSOLUTE PRESSURE
(MAP) SENSOR
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–49
BAROMETRIC PRESSURE (BARO)
SENSOR FUNCTION [LF]. . . . . . . . . . . 01–40–49
BAROMETRIC PRESSURE (BARO)
SENSOR
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–49
KNOCK SENSOR (KS) FUNCTION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–50
KNOCK SENSOR (KS)
CONSTRUCTION/OPERATION
[LF] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–50
End of Toc
CONTROL SYSTEM
01–40–3
01–40
ENGINE CONTROL SYSTEM OUTLINE [LF]
E5U014000000N01
Features
Specification
End Of Sie
Improved driveability
• Drive-by-wire control adopted
• Variable intake air control adopted
• Variable valve timing control adopted
Improved exhaust emission
performance
• Wide-range air/fuel ratio sensor has been adopted for the front HO2S
• EGR control adopted
Wiring harness simplification
• CAN adopted
Item
LF
Neutral switch (MT)
ON/OFF
CPP switch (MT)
ON/OFF
PSP switch
ON/OFF
Brake switch
ON/OFF
ECT sensor
Thermistor
IAT sensor (Inside MAF)
Thermistor
CKP sensor
Hall element
CMP sensor
Hall element
TP sensor
Hall element
APP sensor
Hall element
MAF sensor
Hot wire
Front HO2S
Zirconia element (Wide-range air/fuel ratio sensor)
Rear HO2S
Zirconia element (Stoichiometric air/fuel ratio sensor)
MAP sensor
Piezoelectric element
BARO sensor (Built into PCM)
Piezoelectric element
KS
Piezoelectric element
CONTROL SYSTEM
01–40–4
ENGINE CONTROL SYSTEM STRUCTURAL VIEW [LF]
E5U014000000N02
End Of Sie
TR SWITCH
MT
APP SENSOR
BRAKE SWITCH
CPP SWITCH (MT)
ECT SENSOR
EGR VALVE
FRONT
HO2S
REAR
HO2S
OCV
FUEL INJECTOR
IGNITION COIL
CMP SENSOR
CKP SENSOR
MAF/IAT SENSOR
TP SENSOR
THROTTLE VALVE ACTUATOR
MAP SENSOR
KS
PCM
BARO SENSOR (BUILT INTO PCM)
PURGE
SOLENOID VALVE
VARIABLE INTAKE AIR
SOLENOID VALVE
BATTERY
GENERATOR
VSS (WITHOUT ABS)
5MT
NEUTRAL
SWITCH
6MT
MT
AT
PSP SWITCH
E5U140ZT5014
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст