Mazda 3 Workshop Manual page 8

Mazda 3 Workshop Manual - Engine + Wiring Diagrams + Diagnostic Trouble Codes
NO.19 EXHAUST SMOKE [LF] ............................................................................................................ 601
NO.20 FUEL ODOR (IN ENGINE COMPARTMENT) [LF] .............................................................. 604
NO.21 ENGINE NOISE [LF] ................................................................................................................. 606
NO.22 VIBRATION CONCERNS (ENGINE) [LF] .............................................................................. 608
NO.23 A/C DOES NOT WORK SUFFICIENTLY [LF] ....................................................................... 609
NO.24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY [LF] ................ 610
NO.25 A/C IS NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [LF] ............... 612
NO.26 EXHAUST SULPHUR SMELL [LF] ......................................................................................... 613
NO.27 SPARK PLUG CONDITION [LF] ............................................................................................. 615
INTERMITTENT CONCERN TROUBLESHOOTING [LF] ............................................................... 620
Vibration Method ................................................................................................................................. 620
Inspection Method for Switch Connectors or Wiring Harnesses ................................................. 620
Inspection Method for Sensor Connectors or Wiring Harnesses ................................................ 621
Inspection Method for Sensors ......................................................................................................... 621
Inspection Method for Actuators or Relays .................................................................................... 622
Water Sprinkling Method ................................................................................................................... 622
ENGINE CONTROL SYSTEM OPERATION INSPECTION [LF] ................................................... 623
Main Relay Operation Inspection ..................................................................................................... 623
Intake Manifold Vacuum Inspection ................................................................................................. 623
Idle Air Control System Inspection ................................................................................................... 624
Engine coolant temperature compensation inspection ............................................................. 624
Load compensation inspection ..................................................................................................... 624
Variable Intake-air Control Operation Inspection .......................................................................... 625
Variable Tumble Control Operation Inspection .............................................................................. 626
Fuel Injector Operation Inspection ................................................................................................... 627
Fuel Cut Control System Inspection ................................................................................................ 627
Fuel Pump Operation Inspection...................................................................................................... 628
Fuel Pump Control System Inspection ............................................................................................ 628
Spark Test ........................................................................................................................................... 629
EGR Control System Inspection ...................................................................................................... 630
Purge Control System Inspection .................................................................................................... 631
A/C Cut-off Control System Inspection ........................................................................................... 631
Cooling Fan Motor Operation Inspection ........................................................................................ 632
MECHANICAL[Z6] ...................................................................................................................................... 634
ENGINE LOCATION INDEX [Z6] ......................................................................................................... 634
DRIVE BELT INSPECTION [Z6] .......................................................................................................... 635
DRIVE BELT REPLACEMENT [Z6] .................................................................................................... 636
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