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Home >> Mazda >> 2012 >> CX-7 s Touring, 2.3L Eng VIN L, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [2.3L L3 With TC] >> Pcm Inspection >> PID/DATA Monitor Table (Reference)

PID/DATA Monitor Table (Reference)

Monitor item (Definition) Unit/Condition Condition/Specification (Reference) Inspection item PCM terminal
AAT
(Ambient air temperature)
°C °F Ignition switch to the ON position: Indicates the ambient air temperature
  • IAT sensor
1M
AC_REQ
(A/C request signal)
OFF/ON A/C switch OFF: OFF
A/C switch ON: ON
Perform applicable
DTC troubleshooting
-
ACCS (A/C relay) OFF/ON A/C relay OFF: OFF
A/C relay ON: ON
  • The following PIDs:
    • RPM, TP REL, ECT
  • A/C relay
1I
AFR
(Air/fuel ratio)
- Target air-fuel ratio is displayed
  • A/F sensor
2Z
2AC
2AD
AFR_ACT
(Actual air/fuel ratio)
- Actual air-fuel ratio is displayed
  • A/F sensor
2Z
2AC
2AD
ALTF
(Generator field coil control duty value)
% Ignition switch to the ON position: 0%
Idle: 0-100%
Just after A/C switch ON and fan switch ON at idle: Duty value rises
  • The following PIDs:
    • IAT, ECT, RPM, VPWR, ALTT V
  • Generator
1AW
ALTT V
(Generator output voltage)
V Idle (no E/L): Approx. 14 V (This is an internal calculation value and differs from the terminal voltage.)
  • Generator
1AX
APP1
(Accelerator pedal position)
% Accelerator pedal is released: 31.0-32.4%
Accelerator pedal is depressed: 69.8-81.8%
  • APP sensor
1Y
V Accelerator pedal is released: 1.56-1.65 V
Accelerator pedal is depressed: 3.65-3.93 V
APP2
(Accelerator pedal position)
% Accelerator pedal is released: 20.2-21.4%
Accelerator pedal is depressed: 58.8-70.8%
  • APP sensor
1AC
V Accelerator pedal is released: 1.01-1.10 V
Accelerator pedal is depressed: 3.10-3.38 V
ARPMDES
(Target engine speed)
RPM Indicate the target engine speed
  • The following PIDs:
    • IAT, RPM, MAP, ECT, MAF, TP REL, INGEAR, PSP, ALTT V
-
BARO
(Barometric pressure)
Pa Ignition switch is ON at sea level: Approx. 101 kPa {1.01 Bar, 14.6psi}
  • BARO sensor
-
V Ignition switch is ON at sea level: Approx. 4.0 V
BAT
(Boost air temperature)
°C Boost air temperature is displayed
  • MAP/boost air temperature sensor
2N
V Boost air temperature 20 °C {68 °F}: 2.4-2.6 V
Boost air temperature 30 °C {86 °F}: 1.7-1.9 V
BOO
(Brake switch)
OFF/ON Brake pedal depressed: ON
Brake pedal released: OFF
  • Brake switch (No.1 signal)
1AB
BPA
(Brake pressure applied switch)
OFF/ON Brake pedal depressed: ON
Brake pedal released: OFF
  • Brake switch (No.2 signal)
1AF
CATT11_DSD
(Estimated catalytic converter temperature)
°C °F Indicates the estimated catalytic converter temperature
  • Perform applicable DTC troubleshooting.
-
CHRGLP
(Generator warning light)
OFF/ON Ignition switch to the ON position: ON
Idle: OFF
  • Perform applicable DTC troubleshooting.
-
COLP
(Refrigerant pressure sensor)
OFF/ON Refrigerant pressure is above 1.96 Mpa {20.0kgf/cm2 , 284 psi}: ON Refrigerant pressure sensor -
ECT
(Engine coolant temperature)
°C °F Ignition switch to the ON position: Indicates the ECT
  • ECT sensor
2AH
V ECT 20 °C {68 °F}: 3.04-3.14 V
ECT 60 °C {140 °F}: 1.29-1.39 V
EQ_RAT11
(Equivalence ratio (lambda))
- Idling after warm-up: Approx. 1
  • Perform applicable DTC troubleshooting.
-
EQ_RAT11_DSD
(Desired equivalence ratio (lambda))
- Idling after warm-up: Approx. 1
  • Perform applicable DTC troubleshooting.
-
ETC_ACT
(Electronic throttle control actual)
° Indicates the desired TP by angle
  • Perform applicable DTC troubleshooting.
2A
2B
ETC_DSD
(Electronic throttle control desired)
% Indicates the desired TP by percent
  • The following PIDs:
  • APP1, APP2, ETC_ACT
  • TP sensor
-
° Indicates the desired TP by angle
EVAPCP
(Purge solenoid valve duty value)
% Ignition switch to the ON position: 0%
Idle: 0%
  • The following PIDs:
    • IAT, RPM, ECT, MAF, O2S11, BARO, INGEAR, VPWR
  • Purge solenoid valve
2AB
EVAPCV
(Evaporative emission canister vent valve)
OFF/ON Simulation item (EVAPCV) is ON: ON
  • CV solenoid valve
1AS
FAN_DUTY
(Fan duty cycle)
% ECT less than 98 °C {208 °F}: 0%
ECT 100 °C {212 °F}: 30%
ECT 106 °C {223 °F}: 70%
ECT 110 °C {230 °F}: 100%
  • Fan control module No.1
1AE
FAN_DUTY2
(Fan duty cycle)
% ECT less than 98 °C {208 °F}: 0%
ECT 100 °C {212 °F}: 30%
ECT 106 °C {223 °F}: 70%
ECT 110 °C {230 °F}: 100%
  • Fan control module No.2
1R
FCL
(Fuel cap warning light)
OFF/ON
  • Fuel cap warning light not illuminated: OFF
  • Fuel cap warning light illuminated: ON
  • Perform applicable DTC troubleshooting.
-
FIA
(Fuel injection amount)
- Indicates the fuel injection amount.
  • Fuel injector
  • Fuel Injector relay
-
FLI
(Fuel level)
% Fuel gauge level F: Approx. 100%
Fuel gauge level E: Approx. 0%
  • Perform applicable DTC troubleshooting.
-
FP
(Fuel pump relay)
OFF/ON Idle: ON
Cranking: ON
  • The following PIDs:
    • RPM
  • Fuel pump relay
1H
FP_Hi_PRES
(High pressure fuel pump)
Off/On Spill valve control solenoid valve work: On
Spill valve control solenoid valve don't work: Off
  • High pressure fuel pump
2F
2G
FTP
(Fuel tank pressure sensor)
Pa Indicate the fuel tank pressure
  • Fuel tank pressure sensor
1AG
V Fuel tank pressure is equal to barometric pressure: approx. 3.3 V
FUEL_P_DSD
(Fuel pressure desired)
Pa Indicate the target fuel pressure.
  • The following PIDs:
    • ECT, FUEL_PRES, MAF, RPM, VPWR,
-
FUEL_PRES
(Fuel pressure sensor)
Pa Idle: Approx. 3 MPa
Load 60 % or more: Approx. 11.5 MPa
  • Fuel pressure sensor
2R
V Idle: Approx. 1.7 V
FUELPW
(Fuel injector duration)
sec Idle: Approx. 450-650 μs
  • The following PIDs:
    • ECT, IAT, RPM, TP REL, MAF, O2S11, O2S12, MAP, VSS, BOO, AC_REQ, VPWR
2AZ
2BB
2BC
2BD
FUELSYS
(Fuel system status)
OL/CL/
OL-Drive/
OL-Fault/
CL-Fault
Ignition switch to the ON position: OL_Drive
Idle (after warm up): CL
  • The following PIDs:
    • IAT, MAF, TP REL, MAP, ECT, RPM, O2S11, O2S12, INGEAR, PSP, VPWR, ALTT V
  • Fuel injector
-
HTR11
(A/F sensor heater)
OFF/ON Idle (after warm up): ON/OFF
  • The following PIDs:
    • IAT, MAF, TP, ECT, RPM
  • A/F sensor heater
2C
HTR12
(HO2S heater)
OFF/ON Idle: ON
Engine speed is above 4,000 rpm: OFF
  • The following PIDs:
    • IAT, MAF, ECT, RPM, ACSW
  • HO2S heater
2D
IAT
(Intake air temperature)
°C °F Ignition switch to the ON position position: Indicates the IAT
  • MAF/IAT sensor
1M
V IAT 20 °C {68 °F}: 2.4-2.6V
IAT 30 °C {86 °F}: 1.7-1.9V
IMRC
(Variable swirl solenoid valve)
OFF/ON Engine speed is below Approx. 3,250 rpm and ECT is below 60 °C {140 °F}: ON
Others: OFF
  • The following PIDs:
    • TP, ECT, RPM
  • Variable swirl solenoid valve
2AS
INGEAR
(Load/no load condition)
OFF/ON Driving range: ON
Except above: OFF
Others: ON
  • Perform applicable DTC troubleshooting.
-
ISC_FBK
(ISC feedback value)
- ISC feedback value is displayed
  • PCM
-
ISC_FBK_LRN
(ISC feedback learning value)
- ISC feedback learning value is displayed.
  • PCM
-
IVS
(CTP condition)
Idle/
Off Idle
APP closed: Idle
Others: Off Idle
  • Perform applicable DTC troubleshooting.
-
KNOCKR
(Knocking retard)
° Ignition switch to the ON position: 0 °
Idle: 0 °
  • KS
2U
2V
LOAD
(Engine load)
% Ignition switch to the ON position: 0%
Idle (after warm up): 17.1-18.5%
Engine speed is 2,500 rpm: 14.2-15.2
  • MAF/IAT sensor
-
LONGFT1
(long term fuel trim)
% Idle (after warm up):-14-14%
  • Perform applicable DTC troubleshooting.
-
MAF
(Mass airflow)
g/s Ignition switch to the ON position: Approx. 0 g/s
Idle (after warm up): 2.72-2.94 g/s
Engine speed is 2,500 rpm: 8.00-8.66
  • MAF/IAT sensor
1AK
V Ignition switch to the ON position: Approx. 0.68 V
Idle (after warm up): Approx. 1.3 V
MAP
(Manifold absolute pressure)
Pa Ignition switch to the ON position: Indicates the atmospheric pressure
  • MAP sensor
2AG
V Ignition switch to the ON position: Approx. 1.9 V
Idle (after warm up): Below 1.0 V
MIL
(Malfunction indicator lamp)
OFF/ON Ignition switch to the ON position: ON
Idle: OFF
  • Perform applicable DTC troubleshooting.
-
MIL_DIS
(Traveled distance since the MIL illuminated)
km mile No DTC: 0 km {0 mile}
DTC detected: Not 0 km {0 mile}
  • Perform applicable DTC troubleshooting.
-
O2S11
(A/F sensor)
A Idle (after warm up): -1.0-1.0 A
Deceleration (after warm up):
0.25 A or more
  • A/F sensor
2Z
2AC
2AD
O2S12
(HO2S)
V Idle: 0-1 V
  • HO2S
2Q
PSP
(Power steering pressure switch)
OFF/ON Steering wheel in straight ahead position: OFF
Wheel turning steering wheel: ON
  • PSP switch
1AD
RO2FT1
(HO2S fuel trim)
%
  • Idle after warm-up: Approx. 0.2
  • The following PID
    • O2S12
2Q
RPM
(Engine speed)
RPM Indicates the engine speed
  • CKP sensor
2W
SCCS
(Speed control command switch)
V
  • Press ON/OFF: Approx. 0 V
  • Press CANCEL: Approx. 1.1 V
  • Press SET/-: Approx. 3.1 V
  • Press RES/+: Approx. 4.2 V
  • Others: Approx. 5.0 V
  • Cruise control switch
1AQ
SEGRP
(EGR valve (stepping motor) position)
- Idle: 0
Engine speed is 1,187-4200 rpm: 0-57
  • The following PIDs:
    • MAF, TP REL, ECT, RPM, VSS
  • EGR valve
2AM
2AN
2AQ
2AR
SEGRP DSD
(Desired EGR valve (stepping motor) position)
% Indicate the desired EGR valve position
  • The following PIDs:
    • MAF, TP REL, ECT, RPM, VSS
-
SHRTFT1
(Short term fuel trim [A/F sensor])
% Idle (after warm up): Approx.-30-25%
  • Perform applicable DTC troubleshooting.
-
SPARKADV
(Ignition timing)
° Indicate the ignition timing
  • The following PIDs:
    • MAF, TP REL, ECT, RPM, INGEAR, PSP, VPWR
  • Ignition coil
2AT
2AW
2AX
2BA
Test
(Test mode)
OFF/ON Test mode ON: On
Test mode OFF: 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 max) - 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 min)
- 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 -
TP REL
(Relative TP)
% Ignition switch to the ON position (after warm up)
APP is released: Approx. 5%
APP is depressed: Approx. 5 %
NOTE:
  • When the ignition switch is in the ON position (engine is off), the throttle valve is fully closed regardless of the accelerator pedal opening angle.
  • TP sensor
2AK
2AL
TP1
(TP sensor 1)
% Ignition switch to the ON position (after warm up)
APP is released: Approx. 15 %
APP is depressed: Approx. 15 %
NOTE:
  • When the ignition switch is in the ON position (engine is off), the throttle valve is fully closed regardless of the accelerator pedal opening angle.
  • TP sensor
2AK
V Ignition switch to the ON position (after warm up)
APP is released: Approx. 0.7 V
APP is depressed: Approx. 0.7 V
TP2
(TP sensor 2)
% Ignition switch to the ON position (after warm up)
APP is released: Approx. 15 %
APP is depressed: Approx. 15 %
NOTE:
  • When the ignition switch is in the ON position (engine is off), the throttle valve is fully closed regardless of the accelerator pedal opening angle.
  • TP sensor
2AL
V Ignition switch to the ON position (after warm up)
APP is released: Approx. 4.3 V
APP is depressed: Approx. 4.3 V
TPCT
(Lowest closed throttle voltage)
V Ignition switch to the ON position: Approx 0.5 V
  • TP sensor
2AK
2AL
VPWR
(Battery positive voltage)
V Indicates the battery voltage
  • Battery
1BA
VSS
(Vehicle speed)
KPH MPH Indicates the vehicle speed
  • Perform applicable DTC troubleshooting.
-
VT ACT1
(Actual valve timing)
° Idle: Approx. 0°
  • CMP sensor
  • CKP sensor
2S
2W
VT DIFF1
(Difference between actual valve timing and target valve timing)
° Idle: Approx. 0°
  • The following PIDs:
    • RPM, LOAD, VT ACT1
  • CMP sensor
-
VT DUTY1
(Camshaft position commanded duty cycle)
% Idle: Approx. 11.5%
  • The following PIDs:
    • TP, ECT, RPM
  • OCV
2AF
WGC
(Wastegate control solenoid valve)
% Racing with the accelerator pedal fully depressed: 10-100 %
  • Wastegate control solenoid valve
2AA
Fully closed: 0 %