2006 Mazda MX-5 Miata BaseFACTORY OEM SERVICE PROCEDURE

PID/DATA Monitor Table (Reference)

PID/DATA MONITOR TABLE

Item (definition) Unit/Condition Condition/Specification (Reference) Inspection item(s) PCM terminal
AAT
(Ambient air temperature)		 °C °F
  • Ignition switch is turned to the ON position: Indicate the ambient air temperature
  • The following PIDs
    • IAT
 -
AC_REQ
(Refrigerant pressure switch (high, low)		 On/Off
  • Refrigerant pressure is more than the specification or less than the specification. (Refrigerant pressure switch (high, low) is off.): Off
  • Except above: On
  • Refrigerant pressure switch (high, low)
  • A/C amplifier
 1AU
ACCS
(A/C relay)		 On/Off
  • A/C relay is ON: On
  • A/C relay is OFF: Off
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, RPM, TP, TR*2 , AC_REQ, COLP
 1I
AFR
(Air/fuel ratio)		 -
  • Idle after warm-up: Approx. 1
  • Front HO2S
 2AD
AFR_ACT
(Actual air/fuel ratio)		 -
  • Idle after warm-up: Approx. 1
  • Front HO2S
  • Rear HO2S
 -
ALTF
(Generator field coil control duty value)		 %
  • Ignition switch is turned to the ON position: 0%
  • Idle, E/L is operating: Duty value increases.
  • Generator
 2AI
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
 2AJ
APP
(Accelerator pedal position)		 %
  • Accelerator pedal released: 0%
  • Accelerator pedal depressed: 100%
  • The following PIDs
    • APP1, APP2
 1AO, 1AP
APP1
(APP sensor No.1)		 %
  • Accelerator pedal released: Approx. 32%
  • Accelerator pedal depressed: Approx. 78%
  • APP sensor
 1AO
V
  • Accelerator pedal released: Approx. 1.6 V
  • Accelerator pedal depressed: Approx. 3.9 V
APP2
(APP sensor No.2)		 %
  • Accelerator pedal released: Approx. 21%
  • Accelerator pedal depressed: Approx. 67%
  • APP sensor
 1AP
V
  • Accelerator pedal released: Approx. 1.0 V
  • Accelerator pedal depressed: Approx. 3.4 V
ARPMDES
(Target engine speed)		 RPM
  • Indicate the target engine speed.
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, IAT, RPM, TP, MAF, MAP, VSS, AC_REQ, COLP
 -
BARO
(Barometric pressure)		 kPa Bar psi
  • Ignition switch is turned to the ON position: Indicate the barometric pressure
 - -
V
  • Ignition switch is turned to the ON position (at sea level): 4.1 V
BOO
(Brake switch)		 On/Off
  • Brake pedal depressed: On
  • Brake pedal released: Off
  • Brake switch
 1AB, 1AF
CATT11_DSD
(Catalyst temperature)		 °C °F
  • Ignition switch is turned to the ON position: Indicate the catalyst temperature
 - -
CHRGLP
(Generator warning light)		 On/Off
  • Idle, Generator warning light illuminate: On
  • Idle, Generator warning light not illuminate: Off
  • Generator warning light
 -
COLP
(Refrigerant pressure switch (middle))		 On/Off
  • Refrigerant pressure is more than the specification. (Refrigerant pressure switch (middle) is on.): On
  • Refrigerant pressure is less than the specification. (Refrigerant pressure switch (middle) is off.): Off
  • Refrigerant pressure switch (middle)
 1J
CPP*1 (Clutch pedal position) On/Off
  • Clutch pedal depressed: On
  • Clutch pedal released: Off.
  • CPP switch
 1D
CPP/PNP*1 (Shift lever position) Drive/Neutral
  • Neutral: Neutral
  • Other than neutral: Drive
  • Neutral switch
 1X
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}: Approx. 3.0 V
  • ECT is 80°C {176°F}: Approx. 0.9 V
EQ_RAT11
(Actual lambda signal)		 -
  • Idle after warm-up: Approx. 1
  • Front HO2S
 -
EQ_RAT11_DS D
(Target lambda)		 -
  • Target lambda (Excess air factor = supplied air amount / theoretical air/fuel ratio)
  • Front HO2S
 -
ETC_ACT
(Throttle control)		 °
  • Accelerator pedal released: Approx. 0°
  • Accelerator pedal depressed: Approx. 94.5°
  • TP sensor
 -
ETC_DSD
(Throttle control desired)		 %
  • Indicate the target throttle valve opening ratio
  • The following PIDs
    • APP, RPM
 -
°
  • Indicate the target throttle valve opening angle
EVAPCP
(Purge solenoid valve duty value)		 %
  • Ignition switch is turned to the ON position: 0%
  • Increase the engine speed (after warm-up): Duty value rises
  • The following PIDs
    • ECT, IAT, RPM, TP, MAF, O2S11, O2S12, BOO, VPWR
  • Purge solenoid valve
 2C
FAN1
(Cooling fan relay No.1 control signal)		 On/Off
  • During test mode

    CTP: Off

    WOT: On
  • The following PIDs
    • ECT, test, TP
 1M
FAN2
(Cooling fan relay No.2 control signal)		 On/Off
  • During test mode

    CTP: Off

    WOT: On
  • The following PIDs
    • ECT, test, TP
 1N
FAN3
(Cooling fan relay No.3 control signal)		 On/Off
  • During test mode

    CTP: Off

    WOT: On.
  • The following PIDs
    • ECT, test, TP
 1R
FLI
(Fuel level)		 %
  • Indicate the fuel level
 - -
FP
(Fuel pump relay)		 On/Off
  • Ignition switch is turned to the ON position and a certain period has elapsed: Off
  • Cranking: On
  • Idle: On
  • Fuel pump relay
 1H
FUELPW
(Fuel injector duration)		 ms
  • Idle: Approx. 2.0 ms
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, IAT, RPM, TP, MAF, O2S11, O2S12, MAP, VSS, TR*2 , BOO, AC_REQ, COLP, VPWR
 2BB, 2BC, 2BD, 2AZ
FUELSYS
(Fuel system status)		 OL/CL/OL-Drive/OL-Fault/CL-Fault
  • Idle after warm-up: CL
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, IAT, RPM, TP, MAF, O2S11, O2S12, MAP, VSS, TR*2 , BOO, AC_REQ, COLP, VPWR
 -
GENVDSD
(Target generator voltage)		 V
  • Indicate the target generated voltage
  • The following PIDs
    • ECT, IAT, RPM, VSS, ALTT V, VPWR
  • Generator
 -
HTR11
(Front HO2S heater control)		 On/Off
  • Ignition switch is turned to the ON position: Off
  • Idle: On
  • The following PIDs
    • ECT, IAT, RPM, TP, MAF, MAP, VPWR
 2BG
HTR12
(Rear HO2S heater control)		 On/Off
  • Ignition switch is turned to the ON position: Off
  • Idle: On
  • The following PIDs
    • ECT, IAT, RPM, TP, MAF, MAP, VPWR
 2BE
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. 2.4 V
  • IAT is 60°C {140°F}: Approx. 0.9 V
IMTV
(Variable intake air control)		 On/Off
  • Engine speed is less than 4,750 rpm: On
  • Engine speed is 4,750 rpm or more: Off
  • The following PIDs
    • RPM
 2J
INGEAR
(Gears are engaged)		 On/Off MT 
  • When the following conditions are satisfied: On
    • Other than neutral
    • Clutch pedal released
  • Except above: Off
  • CPP switch
  • Neutral switch
 1D, 1X
AT 
  • Driving range: On
  • Except above: Off
  • TR switch
 -
IVS
(CTP condition)		 Idle/Off Idle
  • Idle: Idle
  • Other than idle: Off Idle
  • The following PIDs
    • TP
 -
KNOCKR
(Knocking retard)		 °
  • Ignition switch is turned to the ON position: 0°
  • Idle: 0°
  • KS.
 2U
LDP_EVAPCP
(EVAP system leak detection pump detect incorrect purge flow)		 mA
  • Indicate EVAP control system incorrect purge flow detection value
 - -
LDP_IDL (EVAP system leak detection pump idle current) mA
  • Indicate EVAP system leak detection pump idle current
 - -
LDP_MON
(EVAP system leak detection pump monitoring current)		 mA
  • Indicate EVAP system leak detection pump monitoring current
 - -
LDP_REF
(EVAP system leak detection pump reference current)		 mA
  • Indicate EVAP system leak detection pump reference current
 - -
LDP_SLDV
(EVAP system small leak detection value)		 mA
  • Indicate EVAP system small leak detection value
 - -
LDP_VSL_FV*2 (EVAP system very small leak detection fail value) mA/s
  • Indicate EVAP system very small leak detection fail value
 - -
LDP_VSL_SV*2 (EVAP system very small leak detection safe value) mA/s
  • Indicate EVAP system very small leak detection safe value
 - -
LDP_VSLDV*2 (EVAP system very small leak detection value) mA/s
  • Indicate EVAP system very small leak detection value
 - -
LOAD
(Engine load)		 %
  • Idle after warm-up: Approx. 23%
  • The following PIDs
    • MAP, IAT, MAF, RPM
 -
LONGFT1
(Long term fuel trim)		 %
  • Idle after warm-up: Approx.-15 -/+15%
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, IAT, RPM, TP, MAF, O2S11, O2S12, MAP, VSS, TR*2 , BOO, AC_REQ, COLP, VPWR
 -
MAF
(Mass air flow)		 g/s
  • Ignition switch is turned to the ON position: Approx. 0 g/s
  • Idle: Approx. 4.0 g/s
  • MAF sensor
 1AK
V
  • Ignition switch is turned to the ON position: Approx. 0.7 V
  • Idle: Approx. 1.4 V
MAP
(Manifold absolute pressure)		 kPa psi Bar
  • Ignition switch is turned to the ON position: Indicate the MAP
  • MAP sensor
 2AG
V
  • Ignition switch is turned to the ON position (at sea level): 4.1 V
  • Idle after warm-up: Approx. 1.2 V
MIL
(Malfunction indicator lamp)		 On/Off
  • Idle, MIL illuminate: On
  • Idle, MIL not illuminate: Off
  • MIL
 -
MIL_DIS
(Travelled distance since MIL illuminated)		 km mile Travelled distance since MIL illuminated -
O2S11
(Front HO2S)		 mA
  • Idle after warm-up: Approx. 0 mA
  • Front HO2S
 2AD
O2S12
(Rear HO2S)		 V
  • Idle after warm-up: Alternates between 0 and 1.0 V
  • Rear HO2S
 2Q
PSP
(PSP switch)		 Low/High
  • Steering wheel at straight ahead position: Low
  • While turning steering wheel: High
  • PSP switch.
 2T
RFCFLAG
(PCM adaptive memory produce verification)		 Learnt/Not Learnt
  • Idle (after running PCM adaptive memory procedure drive mode): Learnt
  • Right after the negative battery cable is disconnected (before running PCM adaptive memory procedure drive mode): Not Learnt
  • Verify after repair procedure
 -
RO2FT1
(Rear HO2S fuel trim)		 -
  • Idle after warm-up: Approx. 0
  • The following PIDs
    • O2S12
 -
RPM
(Engine speed)		 RPM
  • When the engine is running: Indicate the engine speed
  • CKP sensor
 2W
SCCS
(Cruise control switch)		 V
  • ON OFF switch pressed in: Approx. 0 V
  • CANCEL switch pressed in: Approx. 1.1 V
  • SET/- switch pressed in: Approx. 3.1 V
  • RES/+ switch pressed in: Approx. 4.2 V
  • Except above: Approx. 5.0 V
  • Cruise control switch
 1AQ
SEGRP
(EGR control)		 -
  • Ignition switch is turned to the ON position: 0 Step
  • Idle: 0 Step
  • Engine speed is 1,200-4,200 rpm: 0-52 Step
  • EGR valve
 2K, 2G, 2L, 2H
SEGRP DSD
(EGR valve position desired)		 %
  • Ignition switch is turned to the ON position: 0%
  • Idle: 0%
  • Engine speed is 1,200-4,200 rpm: 0-100%
  • The following PIDs
    • MAF, TP, ECT, RPM, VSS
 -
SHRTFT1
(Short term fuel trim (front))		 %
  • Idle after warm-up: -25-25%
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, IAT, RPM, TP, MAF, O2S11, O2S12, MAP, VSS, TR*2 , BOO, AC_REQ, COLP, VPWR
 -
SHRTFT 12
(Short term fuel trim (rear))		 %
  • Idle after warm-up: Approx. 99%
  • The following PIDs
    • CPP*1 , CPP/PNP*1 , ECT, IAT, RPM, TP, MAF, O2S11, MAP, VSS, TR*2 , BOO, AC_REQ, COLP, VPWR
 -
SPARKADV
(Ignition timing)		 °
  • Indicate the ignition timing
  • The following PIDs
    • CPP(1), CPP/PNP(2), ECT, IAT, RPM, TP, MAF, KNOCKR, TR*2, BOO, AC_REQ, COLP
 2S
test
(Test mode)		 On/Off
  • Test mode On: On
  • Test mode Off: Off
 - -
TIRESIZE
(Tire revolution per mile)		 rev/mile
  • Indicate the tire revolution per a mile
 -
TP REL
(Throttle position signal (relative value))		 %
  • Accelerator pedal released: Approx. 10%
  • Accelerator pedal depressed: Approx. 81%
  • The following PIDs
    • TP1, TP2
 -
TP1
(TP sensor No.1)		 %
  • Accelerator pedal released: Approx. 20%
  • Accelerator pedal depressed: Approx. 90%
  • TP sensor
 2AK
V
  • Accelerator pedal released: Approx. 1.0 V
  • Accelerator pedal depressed: Approx. 4.5 V
TP2
(TP sensor No.2)		 %
  • Accelerator pedal released: Approx. 20%
  • Accelerator pedal depressed: Approx. 90%
  • TP sensor
 2AL
V
  • Accelerator pedal released: Approx. 4.0 V
  • Accelerator pedal depressed: 0.5 V
TPCT
(TP sensor voltage at CTP)		 V
  • Ignition switch is turned to the ON position: Approx. 0.5 V
  • The following PIDs
    • TP1, TP2
 -
VPWR
(Battery positive voltage)		 V
  • Indicate the battery voltage
  • Battery
 1BA
VSS
(Vehicle speed)		 Km/h mph
  • Vehicle running: Indicate the vehicle speed
 2O(3)
1AM(2), 5 , 1AI(2), 5
VT ACT1
(Actual valve timing)		 °
  • Idle: Approx. 0°
  • Racing: 0-25°
  • The following PIDs
    • ECT, RPM, TP, MAF
  • OCV
 2E
VT DIFF1
(Difference between target valve timing and actual valve timing)		 °
  • Idle: 0°
  • The following PIDs
    • ECT, RPM, TP, MAF
  • OCV
 -
VT DUTY1
(OCV control)		 %
  • Idle: Approx. 10%
  • The following PIDs
    • ECT, RPM, TP, MAF
 2E
(1) MT
(2) California emission regulation applicable model
(3) With ABS, DSC HU/CM
(4) MT without ABS/DSC
(5) AT without ABS/DSC
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