Mazda RX-8 2004 - Table of Contents

CONTROL SYSTEM
01–40–1
01–40
01–40 CONTROL SYSTEM
ENGINE CONTROL SYSTEM
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–3
Features. . . . . . . . . . . . . . . . . . . . . . . . 01–40–3
Specification. . . . . . . . . . . . . . . . . . . . . 01–40–3
ENGINE CONTROL SYSTEM
STRUCTURAL VIEW . . . . . . . . . . . . . . 01–40–4
ENGINE CONTROL SYSTEM
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–5
ENGINE CONTROL SYSTEM WIRING
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–6
ENGINE CONTROL SYSTEM BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–8
ENGINE CONTROL SYSTEM
RELATION CHART . . . . . . . . . . . . . . . . 01–40–9
MAIN RELAY CONTROL OUTLINE . . . . 01–40–10
MAIN RELAY CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–10
MAIN RELAY CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–40–10
DRIVE-BY-WIRE CONTROL OUTLINE . 01–40–10
DRIVE-BY-WIRE CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–11
DRIVE-BY-WIRE CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–40–12
Idle Speed Control . . . . . . . . . . . . . . . . 01–40–12
Accelerator Control . . . . . . . . . . . . . . . 01–40–12
Traction Control . . . . . . . . . . . . . . . . . . 01–40–13
Cruise Control . . . . . . . . . . . . . . . . . . . 01–40–13
Vehicle Speed Limiter (AT) . . . . . . . . . 01–40–14
DRIVE-BY-WIRE RELAY CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–14
DRIVE-BY-WIRE RELAY CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–40–14
SEQUENTIAL DYNAMIC AIR INTAKE
SYSTEM (S-DAIS) CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–14
SEQUENTIAL DYNAMIC AIR INTAKE
SYSTEM (S-DAIS) CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–15
SEQUENTIAL DYNAMIC AIR INTAKE
SYSTEM (S-DAIS) CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–40–15
Operation Outline. . . . . . . . . . . . . . . . . 01–40–15
Operation list . . . . . . . . . . . . . . . . . . . . 01–40–15
Operation . . . . . . . . . . . . . . . . . . . . . . . 01–40–15
FUEL INJECTION CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–17
FUEL INJECTION CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–18
FUEL INJECTION CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–40–19
Fuel Injection Timing . . . . . . . . . . . . . . 01–40–19
Air/fuel Ratio Control . . . . . . . . . . . . . . 01–40–20
Fuel Injection Distribution Control . . . . 01–40–21
Synchronized Injection Control . . . . . . 01–40–21
Non-synchronized Injection Control . . . 01–40–23
Fuel Cut Control. . . . . . . . . . . . . . . . . . 01–40–23
FUEL PUMP CONTROL OUTLINE. . . . . 01–40–23
FUEL PUMP CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–40–24
FUEL PUMP CONTROL OPERATION . . 01–40–24
Operation condition . . . . . . . . . . . . . . . 01–40–24
FUEL PUMP SPEED CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–24
FUEL PUMP SPEED CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 01–40–25
FUEL PUMP SPEED CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01–40–26
Operation Conditions . . . . . . . . . . . . . . 01–40–26
ELECTRIC SPARK ADVANCE CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–26
ELECTRIC SPARK ADVANCE CONTROL
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . 01–40–27
ELECTRIC SPARK ADVANCE CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01–40–28
Ignition Method . . . . . . . . . . . . . . . . . . . 01–40–28
Determination of Ignition Timing . . . . . . 01–40–28
Fixed Ignition. . . . . . . . . . . . . . . . . . . . . 01–40–28
Regular Ignition . . . . . . . . . . . . . . . . . . . 01–40–28
SECONDARY AIR INJECTION (AIR)
CONTROL OUTLINE . . . . . . . . . . . . . . . 01–40–29
SECONDARY AIR INJECTION (AIR)
CONTROL BLOCK DIAGRAM . . . . . . . 01–40–30
SECONDARY AIR INJECTION (AIR)
CONTROL OPERATION . . . . . . . . . . . . 01–40–30
Outline . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–30
Operation . . . . . . . . . . . . . . . . . . . . . . . 01–40–30
EVAPORATIVE PURGE CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–30
EVAPORATIVE PURGE CONTROL
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . 01–40–30
EVAPORATIVE PURGE CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01–40–31
Evaporative Purge Control Execution
Condition. . . . . . . . . . . . . . . . . . . . . . . 01–40–31
Determination of Purge Solenoid Valve
Energization Period. . . . . . . . . . . . . . . 01–40–31
METERING OIL PUMP CONTROL
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–40–31
METERING OIL PUMP CONTROL
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . 01–40–32
METERING OIL PUMP CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01–40–32
Outline . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40–32
Energization Off Function . . . . . . . . . . . 01–40–32
Initial-set Function . . . . . . . . . . . . . . . . . 01–40–33
Monitor Function . . . . . . . . . . . . . . . . . . 01–40–33
Fail-safe Function . . . . . . . . . . . . . . . . . 01–40–33
Regular Drive Function . . . . . . . . . . . . . 01–40–34
Ignition Switch Off Function . . . . . . . . . 01–40–34
HEATED OXYGEN SENSOR (HO2S)
HEATER CONTROL OUTLINE . . . . . . . 01–40–34
HEATED OXYGEN SENSOR (HO2S)
HEATER CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 01–40–35
HEATED OXYGEN SENSOR (HO2S)
HEATER CONTROL OPERATION . . . . 01–40–35
Operation Conditions . . . . . . . . . . . . . . 01–40–35
A/C CUT-OFF CONTROL OUTLINE . . . . 01–40–35
A/C CUT-OFF CONTROL BLOCK
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 01–40–36
A/C CUT-OFF CONTROL
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01–40–36
Operation . . . . . . . . . . . . . . . . . . . . . . . 01–40–36