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Home >> Mazda >> 2010 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [L3] >> Pcm Inspection >> Using SST (M-MDS)

Using SST (M-MDS)

NOTE:
  1. Connect the SST  (M-MDS) to the DLC-2.
  2. Turn the ignition switch to ON position.
  3. Measure the PID value.
    • If PID value is not within the specification, follow the instructions in Action column.
      NOTE:
      • The PID/DATA MONITOR function monitors the calculated value of the input/output signals in the PCM. Therefore, an output device malfunction is not directly indicated as a malfunction of the monitored value for the output device. If a monitored value of an output device is out of specification, inspect the monitored value of the input device related to the output control.
        Fig 1: Identifying Data Link Connector 2
        G05542927Courtesy of MAZDA MOTORS CORP.
      • The simulation items that are used in the ENGINE CONTROL SYSTEM OPERATION INSPECTION are as follows.
        • ACCS, ALTR ARPMDES, EVAPCP, FAN_DUTY, FR FUELPW1, GENVDSD, HTR11, HTR12, IMRC, IMTV, INJ_1, INJ_2, INJ_3, INJ_4, SEGRR test, VT DUTY1 Wt
    REFERENCE

    Item (definition) Unit/Condition Condition/Specification (Reference) Inspection item(s) PCM terminal
    AAT (Ambient air temperature) °C °F
    • Indicates ambient air temperature
    • The following PIDs
      • IAT
    -
    AC_REQ (Refrigerant pressure switch (low pressure switch, high pressure switch)) On/Off
    • Refrigerant pressure is more than the specification or less than the specification. (Refrigerant pressure switch (low pressure switch, high pressure switch) is off.): Off
    • Others: On
    • Refrigerant pressure switch (low pressure switch, high pressure switch)
    1AW
    ACCS (A/C relay) On/Off
    • A/C is operating: On
    • A/C is not operating: Off
    • The following PIDs
      • CPR CPP/PNR ECT, RPM, TP REL, AC_REQ, COLP
    1I
    AFR (Air/fuel ratio) -
    • Target air-oil ratio is displayed
    • A/F sensor
    2Z
    2AC
    2AD
    AFR_ACT (Actual air/fuel ratio) -
    • Actual air-oil ratio is displayed
    • A/F sensor
    2Z
    2AC
    2AD
    ALTF (Generator field coil control duty value) %
    • Ignition switch is turned to the ON position: 0%
    • Idling, E/L is operating: Duty value increases.
    • The following PIDs
      • ECT, IAT, RPM, VSS, ALTT V, VPWR
    • Generator
    2AA
    ALTT V (Generator output voltage) V
    • Ignition switch is turned to the ON position: Approx. 1.0 V or less
    • Idling (no electrical load): Approx. 14 V (This is an internal calculation value and differs from the terminal voltage.)
    • Generator
    2AF
    APP (Accelerator pedal position) %
    • Accelerator pedal released: 0%
    • Accelerator pedal depressed: 100%
    • The following PIDs: APP1, APP2
    • APP sensor
    1AO
    1AP
    APP1 (Accelerator pedal position) V
    • Accelerator pedal released: Approx. 0.4 V
    • Accelerator pedal depressed: Approx. 3.3 V
    • APP sensor
    1AP
    %
    • Accelerator pedal released: Approx. 8%
    • Accelerator pedal depressed: Approx. 65%
    APP2 (Accelerator pedal position) V
    • Accelerator pedal released: Approx. 0.4 V
    • Accelerator pedal depressed: Approx. 3.3 V
    • APP sensor
    1AO
    %
    • Accelerator pedal released: Approx. 8%
    • Accelerator pedal depressed: Approx. 65%
    ARPMDES (Target engine speed) RPM
    • Idling: indicate the target engine speed
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, BARO, VSS, AC_REQ, COLP
    -
    BARO (Barometric pressure) kPa Bar psi
    • Ignition switch is turned to the ON position: Indicate the atmospheric pressure
    • BARO sensor
    -
    V
    • Ignition switch is turned to the ON position
      • Altitude: 0 m {0 ft}: 2.3-2.8(1)
      • Altitude: 500 m {1,640 ft}: 2.2-2.8(1)
      • Altitude: 1,000 m {3,281 ft}: 2.1-2.8(1)
      • Altitude: 1,500 m {4921 ft}: 2.0-2.8(1)
      • Altitude: 2,000 m {6,562 ft}: 1.9-2.7(1)
      • Altitude: 2,500 m {8,202 ft}: 1.8-2.6(1)
    BOO (Brake switch) On/Off
    • Brake pedal is depressed: On
    • Brake pedal is released: Off
    • Brake switch
    1AB
    BPA (Brake pressure applied switch) On/Off
    • Brake pedal depressed: Off
    • Brake pedal released: On
    - -
    CATT11_DSD (Estimated catalytic converter temperature) °C °F
    • Idling after warm up: indicate the TWC forecast temperature
    - -
    CHRGLP (Generator warning light) On/Off
    • Ignition switch ON: On
    • Idle: Off
    • Perform applicable DTC troubleshooting.
    -
    COLP (Refrigerant pressure switch (medium pressure switch)) ON/OFF
    • Refrigerant pressure is 1.52 MPa {15.5 kgf/cm2 , 220 psi} or more: On
    • Refrigerant pressure is 1.23 MPa {12.5 kgf/cm2 , 178 psi} or less: Off
    • Refrigerant pressure switch (medium-pressure switch)
    1AX
    CPP(2) (Clutch pedal position) On/Off
    • Clutch pedal is depressed: On
    • Clutch pedal is released: Off
    • CPP switch
    1BD
    CPP/PNP(2) (Shift lever position) Drive/Neutral
    • Neutral: Neutral
    • Other than neutral: Drive
    • Neutral switch
    1BC
    DTCCNT (Number of DTC detected) -
    • Number of DTCs stored
    - -
    ECT (Engine coolant temperature) °C °F
    • Ignition switch is turned to the ON position: Indicate the ECT
    • ECT sensor
    2AH
    V
    • ECT is 20 °C {68 °F}: 3.04-3.14 V
    • ECT is 80°C {176°F}: 0.76-0.83 V
    EQ_RAT11 (Equivalence ratio (lambda)) -
    • Idle (after warm up): Approx. 1
    • Perform applicable DTC troubleshooting.

      (See DTC TABLE .)

    2Z
    2AC
    2AD
    EQ_RAT11_DSD (Theoretical air/fuel ratio coefficient to calculate target air/fuel ratio) -
    • Idling after warm-up: Approx. 1
    • A/F sensor
    -
    ETC_ACT (Electronic throttle control actual) °
    • Indicate the throttle opening angle
    • TP sensor
    2BE
    2BF
    ETC_DSD (Electronic throttle control desired) %
    • Indicate the target throttle opening ratio
    • TP sensor
    -
    °
    • Indicate the target throttle opening angle
    • The following PIDs:APP1, APP2, ETC_ACT
    • TP sensor
    EVAPCP (Purge solenoid valve duty value) %
    • Ignition switch is turned to the ON position: 0%
    • Increase the engine speed: Duty value rises
    • The following PIDs
      • ECT, IAT, RPM, TP REL, MAF, O2S11, BOO, VPWR
    2C
    FAN_DUTY (Fan control duty value) %
    • When all of following condition are met: 0-75%
      • A/C On
      • Idle
    • Fun control module
    1R
    FLI (Fuel level) % Fuel gauge level F: Approx. 100%
    Fuel gauge level E: Approx. 0%
    • Perform applicable DTC troubleshooting.
    -
    FP (Fuel pump relay) On/Off
    • Idling: On
    • Cranking: On
    • Fuel pump relay
    1BG
    FUELPW (Fuel injector duration) ms
    • Idling: Approx. 2.3 ms
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, O2S11, O2S12, BARO, VSS, BOO, AC_REQ, COLP, VPWR
    2AZ
    2BB
    2BC
    2BD
    FUELSYS (Fuel system status) OL/CL/
    OL-Drive/
    OL-Fault/
    CL-Fault
    • Idling after warm-up: CL
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, O2S11, O2S12, BARO, VSS, BOO, AC_REQ, COLP, VPWR
    -
    GENVDSD (Target generator voltage) V
    • Idling (no electrical load): Approx. 14 V (This is an internal calculation value and differs from the terminal voltage.)
    • The following PIDs
      • ECT, IAT, RPM, VSS, ALTT V, VPWR
    • Generator
    -
    HTR11 (A/F sensor heater control) On/Off
    • Idling after warm-up: On<==>Off
    • The following PIDs
      • ECT, IAT, RPM, TP REL, MAF, BARO, VPWR
    2A
    HTR12 (HO2S heater control) On/Off
    • Idling after warm-up: On
    • The following PIDs
      • ECT, IAT, RPM, TP REL, MAF, BARO, VPWR
    2B
    IAT (Intake air temperature) °C °F
    • Ignition switch is turned to the ON position: Indicate the IAT
    • IAT sensor
    1AT
    V
    • IAT is 20°C {68°F}: Approx. 2.38 V
    • IAT is 60°C {140°F}: Approx. 0.89 V
    IMRC (Variable tumble control) On/Off
    • ECT below 63°C {145°F} and engine speed below 3,750 rpm: On
    • ECT above 63°C {145°F} or engine speed above 3,750 rpm: Off
    • The following PIDs
      • ECT, RPM, TP REL
    2I
    IMTV (Variable intake air control) On/Off
    • Engine speed is below 4,600 rpm: On
    • Engine speed is above 4,600 rpm: Off
    • The following PIDs
      • RPM
    2J
    INGEAR (Gears are engaged) On/Off MTX 
    • When the following conditions are satisfied: On
      • Not neutral
      • Clutch pedal released
    • Except above: Off
    • CPP switch
    • Neutral switch
    1BD
    1BC
    ATX 
    • Driving range: On
    • Except above: Off
    • TR switch
    -
    IVS (CTP condition) Idle/Off Idle
    • Idling: Idle
    • Other than idling: Off Idle
    • The following PIDs

    • TP REL
    -
    KNOCKR (Knocking retard) °
    • Ignition switch is turned to the ON position: 0 °
    • Idling: 0°
    • KS
    2U
    2V
    LDP_EVAPCP (EVAP system leak detection pump detect incorrect purge flow) A
    • Indicates EVAP system leak detection pump detect incorrect
    • Perform applicable DTC troubleshooting.
    -
    LDP_IDL (EVAP system leak detection pump idle current) A
    • Indicates EVAP system leak detection pump idle current
    • Perform applicable DTC troubleshooting.
    -
    LDP_MON (EVAP system leak detection pump monitoring current) A
    • Indicates EVAP system leak detection pump monitoring current
    • Perform applicable DTC troubleshooting.
    -
    LDP_REF (EVAP system leak detection pump reference current) A
    • Indicates EVAP system leak detection pump reference current
    • Perform applicable DTC troubleshooting.
    -
    LDP_SLDV (EVAP system small leak detection value) A
    • Indicates EVAP system small leak detection value
    • Perform applicable DTC troubleshooting.
    -
    LDP_VSL_FV(3) (EVAP system small leak detection value) mA/sec
    • Indicates EVAP system small leak detection fail value
    • Perform applicable DTC troubleshooting.
    -
    LDP_VSL_SV(3) (EVAP system small leak detection value) mA/sec
    • Indicates EVAP system small leak detection safe value
    • Perform applicable DTC troubleshooting.
    -
    LDP_VSLDV(3) (EVAP system small leak detection value) mA/sec
    • Indicates EVAP system small leak detection value
    • Perform applicable DTC troubleshooting.
    -
    LOAD (Engine load) %
    • Ignition switch is turned to the ON position: 0%
    • Idling after warm-up: Approx. 16%
    • The following PIDs
      • BARO, IAT, MAF, RPM
    -
    LONGFT1 (Long term fuel trim) %
    • Idling (after warm-up): Approx. -20-20%
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, O2S11, O2S12, BARO, VSS, BOO, AC_REQ, COLP, VPWR
    -
    MAF (Mass air flow) g/s
    • Ignition switch to the ON position: Indicate the MAF
    • MAF sensor
    1AK
    V
    • Ignition switch is turned to the ON position: Approx. 0.7 V
    • Idling after warm-up: Approx. 1.2 V
    MAP (Manifold absolute pressure) kPa Bar psi
    • Ignition switch ON (at sea level): Indicate the MAP
    • MAP sensor
    2AG
    V
    • Ignition switch ON (at sea level): Approx. 4.1 V
    • Idling after warm-up: Approx. 1.4 V
    MIL (Malfunction indicator lamp) On/Off
    • Ignition switch is turned to the ON position: On
    • Idling: Off

      (If there is a malfunction in emission control related system: On)

    • MIL
    -
    MIL_DIS (Travelled distance since MIL illuminated) km mile Indicate the travelled distance since the MIL illuminated
    O2S11 (A/F sensor) A
    • Idling after warm-up: approx. 0 mA
    • A/F sensor
    2Z
    2AC
    2AD
    O2S12 (HO2S) V
    • Idling after warm-up: 0-1.0 V
    • HO2S
    2Q
    RO2FT1 (HO2S fuel trim) -
    • Idle after warm-up: Approx. 0.2
    • The following PID
      • O2S12
    2Q
    RPM (Engine speed) RPM
    • Indicate the engine speed
    • CKP sensor
    2W
    SCCS (Cruise control switch) V Press ON/OFF: Approx. 0 V
    Press CANCEL: Approx. 1.8 V
    Press SET/COAST: Approx. 3.8 V
    Press RES/ACCEL: Approx. 4.6 V
    Others: Approx. 5.0 V
    • Cruise control switch.
    1AQ
    SEGRP (EGR control) -
    • Ignition switch is turned to the ON position: 0 step
    • Idling: 0 step
    • Cranking: 0-52 step
    • EGR valve
    2AT
    2AW
    2AX
    2BA
    SEGRP DSD (EGR valve position desired) %
    • When the PCM control the EGR system: indicate the desired EGR valve position
    • The following PID
      • MAF, TP REL, ECT, RPM, VSS
    • EGR valve
    -
    SHRTFT1 (Short term fuel trim (A/F sensor)) %
    • Idling (after warm-up): -30- +25%
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, O2S11, O2S12, BARO, VSS, BOO, AC_REQ, COLP, VPWR
    -
    SHRTFT12(4) (Short term fuel trim (HO2S)) %
    • Idling after warm-up: Approx. 99%
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, O2S11, O2S12, BARO, VSS, BOO, AC_REQ, COLP, VPWR
    -
    SPARKADV (Ignition timing) ° (BTDC)
    • During test mode on at idling: BTDC 9-11 ° (BTDC)
    • Idling: BTDC 6-18 ° (BTDC)
    • The following PIDs
      • CPP, CPP/PNP, ECT, IAT, RPM, TP REL, MAF, KNOCKR, BOO, AC_REQ, COLP
    2G
    2H
    2K
    2L
    test (Test mode) On/Off
    • During test mode: On
    • Other than test mode: Off
    - -
    TH_M (Thermostat monitor) -
    • Indicates heat radiation ratio (heat radiation when thermostat is malfunctioning/heat radiation when thermostat is normal) when thermostat monitoring is finished
    • Thermostat
    -
    °C °F
    • Indicates engine coolant temperature when thermostat monitoring is finished
    -
    TH_M_MAX (Thermostat monitor) -
    • Indicates upper limit of heat radiation ratio (heat radiation when thermostat is malfunctioning/heat radiation when thermostat is normal) for thermostat monitoring execution
    • Thermostat
    -
    °C °F
    • Indicates upper limit of engine coolant temperature for thermostat monitoring execution
    -
    TH_M_MIN (Thermostat monitor) -
    • Indicates lower limit of heat radiation ratio (heat radiation when thermostat is malfunctioning/heat radiation when thermostat is normal) for thermostat monitoring execution
    • Thermostat
    -
    °C °F
    • Indicates lower limit of engine coolant temperature for thermostat monitoring execution
    -
    TIRESIZE (Tire revolution per mile) rev/mile
    • Indicate the tire revolution per a mile
    - -
    TPREL (Throttle position signal (relative value)) %
    • CTP: Approx. 5%
    • WOT: Approx. 80%
    • TP sensor
    -
    TP1 (TP sensor 1) V
    • CTP: Approx. 0.6 V
    • WOT: Approx. 4.4 V
    • TP sensor
    2AK
    %
    • Indicates throttle position
    TP2 (TP sensor 2) V
    • CTP: Approx. 4.4 V
    • WOT: Approx. 0.6 V
    • TP sensor
    2AL
    %
    • Indicates throttle position
    TPCT (TP sensor voltage at CTP) V
    • Approx. 0.5 V
    • TP sensor
    2AK
    2AL
    VPWR (Battery positive voltage) V
    • Ignition switch is turned to the ON position.: B+
    • Idling: B+
    • Battery
    1C
    VSS (Vehicle speed) KPH MPH
    • Vehicle running: Indicate the vehicle speed
    • VSS
    -
    VT ACT1 (Actual valve timing) °
    • Idling: 0 °
    • Racing: 0-25 °
    • The following PIDs
      • ECT, RPM, TP REL, MAF
    • OCV
    2E
    VT DIFF1 (Difference between target valve timing and actual valve timing) °
    • Idling: 0 °
    • The following PIDs
      • ECT, RPM, TP REL, MAF
    • OCV
    2E
    VT DUTY1 (OCV control) %
    • Idling: Approx. 11 %
    • The following PIDs
      • ECT, RPM, TP REL, MAF
    2E
    VTC (Variable tumble control) On/Off
    • Variable tumble shutter valve switch ON: ON
    • Variable tumble shutter valve switch OFF: OFF
    • Variable tumble shutter valve switch
    2AE(4), 2R(5)
    (1) The voltage may vary excessively depending on the weather or battery conditions.
    (2) MTX
    (3) California emission regulation applicable model
    (4) TYPE A
    (5) TYPE B