Mazda 2006 MX-5 - Page 129

Mazda 2006 MX-5

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CONTROL SYSTEM

01–40–5

01–40

ENGINE CONTROL SYSTEM DIAGRAM [LF]

E5U014000000N03

End Of Sie

EVAP SYSTEM LEAK DETECTION PUMP

FUEL PUMP UNIT

VARIABLE INTAKE

AIR SOLENOID

VALVE

: TO PCM

REAR HO2S

FRONT HO2S

ECT

SENSOR

KS

CKP

SENSOR

EGR

VALVE

CMP

SENSOR

FUEL

INJECTOR

MAP

SENSOR

PURGE SOLENOID

VALVE

APP SENSOR

(BARO

SENSOR)

PCM

THROTTLE

VALVE

ACTUATOR

TP

SENSOR

MAF/IAT SENSOR

OCV

E5U140ZT5019

Table of Contents

00 General Information3
- Aim of Development3
- Vehicle Identification Number (Vin) Code12
- Vehicle Identification Numbers12
- Units13
- Sae Standard14
01 Engine15
- 01-00 Outline16
- Engine Abbreviations [Lf]16
On-Board Diagnostic 01-02 On-Board Diagnostic21
- On-Board Diagnostic22
- Diagnostic System Wiring Diagram [Lf]22
- Diagnostic Test Mode [Lf]24
- Dtc Detection Logic and Conditions [Lf]31
- Koeo/Koer Self-Test [Lf]40
  - KOEO (Key ON, Engine Off) Self-Test40
  - KOER (Key ON, Engine Running) Self-Test40
Mechanical 01-10 Mechanical47
- Engine Structural View [Lf]48
Intake-Air System 01-13 Intake-Air System77
- Intake-Air System78
- Intake-Air System Structural View [Lf]78
- Intake-Air System Diagram79
- Intake-Air System Hose Routing Diagram [Lf]79
- Air Cleaner Construction80
- Throttle Body Construction/Operation80
  - Construction80
  - Operation80
- Throttle Body Function [Lf]80
- Intake Manifold/Dynamic Chamber Construction81
- Variable Intake Air System Function [Lf]81
- Variable Intake Air System Operation [Lf]82
- Variable Intake Air System Structure [Lf]82
- Variable Intake Air Solenoid Valve Construction/Operation83
  - Construction83
  - Operation83
- Variable Intake Air Solenoid Valve Function [Lf]83
- Variable Intake Air Shutter84
- Variable Intake Air Shutter Valve Actuator Construction/Operation84
  - Construction84
  - Operation84
Fuel System 01-14 Fuel System85
- Fuel System Outline [Lf]85
  - Specification85
- 01-14 Fuel System85
  - Fuel System Structural View86
    - Engine Compartment Side86
- Nonreturn Valve Function88
  - Fuel Tank Side88
- Fuel System Flow Diagram88
Emission System 01-16 Emission System95
- Emission System96
- Rollover Valve107
- Fuel Shut-Off Valve107
- Charcoal Canister109
  - Air Filter Function [Lf]109
    - Air Filter Construction/Operation109
- Air Filter110
  - Evaporative Chamber Function110
    - Evaporative Chamber Construction/Operation110
    - Cruise Control System121
Table of Contents125
- Control System127
  - Features127
  - Specification127
- Engine Control System Structural View [Lf]128
- Engine Control System Wiring Diagram [Lf]130
- Engine Control System Block Diagram [Lf]132
- Engine Control System Relation Chart [Lf]133
- Main Relay Control Block Diagram [Lf]135
- Drive-By-Wire Control Block Diagram [Lf]136
- Drive-By-Wire Control Operation [Lf]137
  - Idle Speed Control137
  - Accelerator Control137
  - Traction Control138
  - Cruise Control138
- Variable Valve Timing Control Block Diagram [Lf]140
- Variable Valve Timing Control Operation [Lf]140
  - Cleaning Mode140
  - Maximum Cam Retard Mode141
  - Feedback Hold Mode141
  - Feedback Mode142
  - Advance Spark Speed Correction142
  - Valve Timing Determination142
- Fuel Injection Control Outline [Lf]142
- Fuel Injection Control Block Diagram [Lf]143
- Fuel Injection Control Operation [Lf]144
  - Operation144
  - Injection Time144
  - Determination of Effective Injection Time145
- Electronic Spark Advance (Esa) Control Outline [Lf]148
- Fuel Pump Control Block Diagram [Lf]148
  - Operation Condition148
  - Operation Inhibition Condition148
- Electronic Spark Advance (Esa) Control Block Diagram [Lf]149
- Electronic Spark Advance (Esa) Control Operation [Lf]150
  - Ignition Method150
  - Determination of Ignition Timing151
  - Ignition Inhibition Condition152
- Evaporative Purge Control Outline [Lf]152
- Egr Control Operation [Lf]154
  - Stepping Motor Operation Principles154
- Heated Oxygen Sensor (Ho2S) Heater Control Block Diagram [Lf]156
  - Operation Conditions156
- Heated Oxygen Sensor (Ho2S) Heater Control Outline [Lf]156
- A/C Cut-Off Control Block Diagram [Lf]157
- Electrical Fan Control Block Diagram [Lf]158
- Electrical Fan Control Operation [Lf]158
- Starter Cut-Off Control Block Diagram [Lf]160
- Starter Cut-Off Control Operation [Lf]160
- Starter Cut-Off Control Outline [Lf]160
- Generator Control Block Diagram [Lf]161
- Generator Control Operation [Lf]161
  - Determination of Field Coil Excitation Time161
  - Control161
- Generator Control Outline [Lf]161
- Controller Area Network (Can) Outline [Lf]162
- Pcm Construction/Operation [Lf]163
  - Structure163
- Pcm Function [Lf]163
  - Function List163
- Clutch Pedal Position (Cpp) Switch Construction/Operation [Lf]164
- Clutch Pedal Position (Cpp) Switch Function [Lf]164
- Neutral Switch Construction/Operation [Lf]164
- Neutral Switch Function [Lf]164
- Engine Coolant Temperature (Ect) Sensor Construction/Operation [Lf]165
- Engine Coolant Temperature (Ect) Sensor Function [Lf]165
- Intake Air Temperature (Iat) Sensor Construction/Operation [Lf]166
- Intake Air Temperature (Iat) Sensor Function [Lf]166
- Crankshaft Position (Ckp) Sensor Construction/Operation [Lf]167
- Crankshaft Position (Ckp) Sensor Function [Lf]167
- Camshaft Position (Cmp) Sensor Construction/Operation [Lf]168
- Camshaft Position (Cmp) Sensor Function [Lf]168
- Throttle Position (Tp) Sensor Construction/Operation [Lf]169
- Throttle Position (Tp) Sensor Function [Lf]169
- Accelerator Pedal Position (App) Sensor Construction/Operation [Lf]170
- Accelerator Pedal Position (App) Sensor Function [Lf]170
- Heated Oxygen Sensor (Ho2S) Function [Lf]171
- Mass Air Flow (Maf) Sensor Construction/Operation [Lf]171
- Mass Air Flow (Maf) Sensor Function [Lf]171
- Heated Oxygen Sensor (Ho2S) Construction/Operation [Lf]172
  - Front HO2S172
  - Rear HO2S172
- Barometric Pressure (Baro) Sensor Construction/Operation [Lf]173
- Barometric Pressure (Baro) Sensor Function [Lf]173
- Manifold Absolute Pressure (Map) Sensor Construction/Operation [Lf]173
- Manifold Absolute Pressure (Map) Sensor Function [Lf]173
- Knock Sensor (Ks) Construction/Operation [Lf]174
- Knock Sensor (Ks) Function [Lf]174
On-Board Diagnostic 02-02 On-Board Diagnostic177
- On-Board Diagnostic178
- On-Board Diagnostic System Outline (Tire Pressure Monitoring System)178
  - Block Diagram178
- On-Board Diagnostic System Function (Tire Pressure Monitoring System)179
- On-Board Diagnostic System Pid/Data Monitor Function (Tire Pressure Monitoring System)181
- On-Board Diagnostic System Active Command Modes Function (Tire Pressure Monitoring System)182
- On-Board Diagnostic System External Tester Communication Function (Tire Pressure Monitoring System)182
  - External Tester Communication Function182
  - Serial Communication183
- On-Board Diagnostic System Freeze Frame Data Monitor Function (Tire Pressure Monitoring System)182
- Dlc-2 Construction183
Wheel and Tires 02-12 Wheel and Tires185
- Wheels and Tires Outline186
Front Suspension 02-13 Front Suspension197
- Front Suspension Outline198
Differential 03-14 Differential213
- Rear Differential214
- Rear Differential Outline214
On-Board Diagnostic 04-02 On-Board Diagnostic219
- 04-02 On-Board Diagnostic220
Antilock Brake System 04-13 Antilock Brake System235
- 04-13 Antilock Brake System235
  - Abs Outline235
    - Antilock Brake System235
- Abs Structural View236
- Abs CM Part Function241
Dynamic Stability Control 04-15 Dynamic Stability Control247
- Default Chapter248
- Dsc CM Part Function258
- Abs Control Function258
05 Transmission/Transaxle265
- Manual Transmission265
- Outline266
- Transmission/Transaxle Features266
- Transmission/Transaxle Specifications266
- [M15M-D] 5-Speed Mt266
- [P66M-D] 6-Speed Mt266
- [Sj6A-El] 6-Speed at266
- Manual Transmission Shift Mechanism267
  - Automatic Transmission268
- Manual Transmission [P66M-D]267
- Transmission/Transaxle Abbreviations268
  - Automatic Transmission Shift Mechanism268
On-Board Diagnostic [Sj6A-El] On-Board Diagnostic [Sj6A-El] 6-Speed at 05-02269
- Malfunction Detection Function271
Automatic Transmission Shift Mechanism 05-14 Automatic Transmission Shift Mechanism333
- Automatic Transmission Shift Mechanism Outline333
- Steering Shift Switch Function336
- Steering Shift Switch Construction/Operation336
  - Power Steering339
Basic System 07-11 Basic System345
- Basic System Structural346
Control System 07-40 Control System351
- Control System Structural352
Lighting Systems 09-18 Lighting Systems443
- Default Chapter444
  - Lighting Systems Structural View444
- Lighting Systems445
- Lighting Systems445
Entertainment 09-20 Entertainment455
- Audio System Specifications457
- Entertainment Outline457
Instrumentation/Driver Info. 09-22 Instrumentation/Driver Info.471
- Instrumentation/Driver Info473
- Instrument Cluster Outline474

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