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2008 - MX-5 - Engine

PCM INSPECTION [LF]

Not Using the M-MDS

NOTE:



Terminal

Signal

Connected to

Test condition

Voltage (V)

Inspection item

1A

1B

Starter relay control

Starter relay

Under any condition

Below 1.0

  • Starter relay

  • Related wiring harness

1C

1D*2

Clutch operation

CPP switch

Clutch pedal depressed

Below 1.0

  • CPP switch

  • Related wiring harness

Clutch pedal released

B+

1E

1F

1G

1H

Fuel pump control

Fuel pump relay

Ignition switch is turned to the ON position (Engine off) and a certain period has elapsed

B+

  • Fuel pump relay

  • Related wiring harness

Cranking

Below 1.0

Idle

Below 1.0

1I

A/C

A/C relay

Engine running

A/C operating

Below 1.0

  • A/C relay

  • Related wiring harness

A/C not operating

B+

1J

Refrigerant pressure switch (middle)

Refrigerant pressure switch (middle)

Refrigerant pressure is more than the specification. (Refrigerant pressure switch (middle) is on.)

Below 1.0

  • Refrigerant pressure switch (middle)

  • Related wiring harness

Refrigerant pressure is less than the specification. (Refrigerant pressure switch (middle) is off.)

B+

1K

1L

1M

Cooling fan control

Cooling fan relay No.1

During test mode*3

Accelerator pedal released

B+

  • Cooling fan relay No.1

  • Related wiring harness

Accelerator pedal depressed

Below 1.0

1N

Cooling fan control

Cooling fan relay No.2

During test mode*3

Accelerator pedal released

B+

  • Cooling fan relay No.2

  • Related wiring harness

Accelerator pedal depressed

Below 1.0

1O

1P

MAF sensor ground

MAF sensor

Under any condition

Below 1.0

  • Related wiring harness

1Q

Main relay control

Main relay

Ignition switch is turned to the ON position

Below 1.0

  • Main relay

  • Related wiring harness

Ignition switch off and a certain period has elapsed

B+

1R

Cooling fan control

Cooling fan relay No.3

During test mode*3

Accelerator pedal released

B+

  • Cooling fan relay No.3

  • Related wiring harness

Accelerator pedal depressed

Below 1.0

1S

1T

1U

EVAP system leak detection pump (pump)

EVAP system leak detection pump

Ignition switch is turned to the ON position

B+

  • EVAP system leak detection pump

  • Related wiring harness

Idle

B+

1V

EVAP system leak detection pump (solenoid)

EVAP system leak detection pump

Ignition switch is turned to the ON position

B+

  • EVAP system leak detection pump

  • Related wiring harness

Idle

B+

1W

1X

*2Neutral position

Neutral switch

Shift lever is at neutral position

Below 1.0

  • Neutral switch

  • Related wiring harness

Shift lever is not at neutral position

B+

*1Selector lever position

TR switch

Ignition switch is turned to the ON position

P, N position

Below 1.0

  • TR switch

  • Related wiring harness

Except above

B+

1Y

1Z

1AA

1AB

Brake switch No.1

Brake switch

Brake pedal depressed

B+

  • Brake switch

  • Related wiring harness

Brake pedal released

Below 1.0

1AC

1AD

1AE

1AF

Brake switch No.2

Brake switch

Brake pedal depressed

B+

  • Brake switch

  • Related wiring harness

Brake pedal released

Below 1.0

1AG

1AH

1AI

CAN_L

CAN related module

Because this terminal is for CAN, no valid determination of terminal voltage is possible

  • Related wiring harness

1AJ

APP sensor No.2 power supply

APP sensor

Ignition switch is turned to the ON position

Approx. 5.0

  • Related wiring harness

1AK

MAF

MAF sensor

Ignition switch is turned to the ON position

Approx. 0.7

  • MAF sensor

  • Related wiring harness

Idle

Approx. 1.4

1AL

APP sensor No.1 power supply

APP sensor

Ignition switch is turned to the ON position.

Approx. 5.0

  • Related wiring harness

1AM

CAN_H

CAN related module

Because this terminal is for CAN, no valid determination of terminal voltage is possible

  • Related wiring harness

1AN

1AO

APP sensor No.1

APP sensor

Ignition switch is turned to the ON position

Accelerator pedal depressed

Approx. 3.9

  • APP sensor

  • Related wiring harness

Accelerator pedal released

Approx. 1.6

1AP

APP sensor No.2

APP sensor

Ignition switch is turned to the ON position

Accelerator pedal depressed

Approx. 3.4

  • APP sensor

  • Related wiring harness

Accelerator pedal released

Approx. 1.0

1AQ

Cruise control switch

Cruise control switch

Ignition switch is turned to the ON position

ON OFF switch pressed in

Approx. 0

  • Cruise control switch

  • Related wiring harness

CANCEL switch pressed in

Approx. 1.1

SET/– switch pressed in

Approx. 3.1

RES/+ switch pressed in

Approx. 4.2

Except above

Approx. 5.0

1AR

Sensor ground

MAF/IAT sensor

Under any condition

Below 1.0

  • Related wiring harness

1AS

APP sensor No.1 ground

APP sensor

Under any condition

Below 1.0

  • Related wiring harness

1AT

IAT

MAF/IAT sensor

Ignition switch is turned to the ON position

IAT is 20 °C {68 °F}

Approx. 2.4

  • IAT sensor

  • Related wiring harness

IAT is 60°C {140 °F}

Approx. 0.9

1AU

Refrigerant pressure switch (high, low)

Refrigerant pressure switch (high, low)

Ignition switch is turned to the ON position

A/C operating

Below 1.0

  • Refrigerant pressure switch (high, low)

  • Related wiring harness

A/C not operating

B+

1AV

APP sensor No.2 ground

APP sensor

Under any condition

Below 1.0

  • Related wiring harness

1AW

B+

Main relay

Ignition switch off

Below 1.0

  • Main relay

  • Battery

  • Related wiring harness

Ignition switch is turned to the ON position

B+

1AX

Drive-by-wire relay control

Drive-by-wire relay

Under any condition

Below 1.0

  • Drive-by-wire relay

  • Related wiring harness

1AY

Ignition switch on

Ignition switch

Ignition switch off

Below 1.0

  • Ignition switch

  • Related wiring harness

Ignition switch is turned to the ON position

B+

1AZ

Ground

Ground

Under any condition

Below 1.0

  • Related wiring harness

1BA

Back-up power supply

Battery (positive terminal)

Under any condition

B+

  • Battery

  • Related wiring harness

1BB

Ground

Ground

Under any condition

Below 1.0

  • Related wiring harness

1BC

1BD

Ground

Ground

Under any condition

Below 1.0

  • Related wiring harness

1BE

B+

Main relay

Ignition switch off

Below 1.0

  • Main relay

  • Related wiring harness

Ignition switch is turned to the ON position

B+

1BF

Drive-by-wire relay control

Drive-by-wire relay

Ignition switch is turned to the ON position

Drive-by-wire system is malfunction

Below 1.0

  • Drive-by-wire relay

  • Related wiring harness

Drive-by-wire system is normal

B+

1BG

1BH

Ground

Ground

Under any condition

Below 1.0

  • Related wiring harness

2A

Throttle control (+)

Throttle body (Throttle valve actuator)

  • Throttle valve actuator

  • Related wiring harness

2B

Throttle control (–)

Throttle body (Throttle valve actuator)

  • Throttle valve actuator

  • Related wiring harness

2C

Purge control

Purge solenoid valve

  • Purge solenoid valve

  • Related wiring harness

2D

2E

OCV control

OCV

  • OCV

  • Related wiring harness

2F

2G

EGR valve #2 coil control

EGR valve

(terminal A)

Idle (EGR control not operating)

B+

  • EGR valve

  • Related wiring harness

2H

EGR valve #4 coil control

EGR valve

(terminal F)

Idle (EGR control not operating)

B+

  • EGR valve

  • Related wiring harness

2I1

Variable tumble control

Variable tumble solenoid valve

ECT 63 °C {145 °F} or more or engine speed 3,750 rpm or more

B+

  • Variable tumble solenoid valve

  • Related wiring harness

ECT less than 63 °C {145 °F} and engine speed less than 3,750 rpm

Below 1.0

2J

Variable intake air control

Variable intake air solenoid valve

Ignition switch is turned to the ON position

Below 1.0

  • Variable intake air solenoid valve

  • Related wiring harness

Engine speed: less than 4,750 rpm

Below 1.0

Engine speed: 4,750 rpm or more

B+

2K

EGR valve #1 coil control

EGR valve

(terminal E)

Idle (EGR control not operating)

Below 1.0

  • EGR valve

  • Related wiring harness

2L

EGR valve #3 coil control

EGR valve

(terminal B)

Idle (EGR control not operating)

B+

  • EGR valve

  • Related wiring harness

2M

2N

2O*4

Vehicle speed

VSS

  • VSS

  • Related wiring harness

2P

CMP sensor ground

CMP sensor

Under any condition

Below 1.0

  • Related wiring harness

2Q

Rear HO2S

Rear HO2S

Idle after warm-up

Alternates between 0 and 1.0

  • Rear HO2S

  • Related wiring harness

2R

2S

CMP

CMP sensor

  • CMP sensor

  • Related wiring harness

2T

Power steering pressure

PSP switch

Idle

Steering wheel at straight ahead position

B+

  • PSP switch

  • Related wiring harness

While turning steering wheel

Below 1.0

2U

Knocking (+)

KS

Ignition switch ON (Use digital type voltmeter, because measurement voltage will be detected less than true voltage when using analog type voltmeter)

Approx. 4.3

  • KS

  • Related wiring harness

2V

Knocking (–)

KS

Ignition switch ON (Use digital type voltmeter, because measurement voltage will be detected less than true voltage when using analog type voltmeter)

Below 1.0

  • KS

  • Related wiring harness

2W

CKP

CKP sensor

  • CKP sensor

  • Related wiring harness

2X

Ground

Shield wire

Under any condition

Below 1.0

  • Related wiring harness

2Y

2Z

Front HO2S

Front HO2S

Idle after warm-up

Approx. 2.4

  • Front HO2S

  • Related wiring harness

2AA

2AB

CKP sensor ground

CKP sensor

Under any condition

Below 1.0

  • Related wiring harness

2AC

2AD

Front HO2S

Front HO2S

Idle after warm-up

Approx. 2.8

  • Front HO2S

  • Related wiring harness

2AE*1

Variable tumble shutter valve monitor

Variable tumble shutter valve switch

variable tumble shutter valve close

Below 1.0

  • Variable tumble shutter valve switch

  • Related wiring harness

variable tumble shutter valve open

B+

2AF

2AG

Manifold absolute pressure

MAP sensor

Ignition switch is turned to the ON position (at sea level)

Approx. 4.1

  • MAP sensor

  • Related wiring harness

Idle

Approx. 1.2

2AH

ECT

ECT sensor

Ignition switch is turned to the ON position

ECT is 20 °C {68 °F}

Approx. 3.0

  • ECT sensor

  • Related wiring harness

ECT is 80 °C {176 °F}

Approx. 0.9

2AI

Generator field coil control

Generator

(terminal D)

  • Generator

  • Related wiring harness

2AJ

Generator output voltage

Generator

(terminal P)

  • Generator

  • Related wiring harness

2AK

Throttle valve opening angle No. 1

Throttle body (TP sensor)

Ignition switch is turned to the ON position

Accelerator pedal depressed

Approx. 4.5

  • TP sensor

  • Related wiring harness

Accelerator pedal released

Approx. 0.5

2AL

Throttle valve opening angle No. 2

Throttle body (TP sensor)

Ignition switch is turned to the ON position

Accelerator pedal depressed

Approx. 0.5

  • TP sensor

  • Related wiring harness

Accelerator pedal released

Approx. 4.5

2AM

Constant voltage

CMP sensor

Ignition switch is turned to the ON position

B+

  • Related wiring harness

2AN

2AO

Constant voltage (Vref)

Throttle body (TP sensor)

Ignition switch is turned to the ON position

Approx. 5.0

  • Related wiring harness

2AP

Sensor ground

Throttle body (TP sensor)

Under any condition

Below 1.0

  • Related wiring harness

2AQ

Constant voltage

CKP sensor

Ignition switch is turned to the ON position

B+

  • Related wiring harness

2AR

2AS

2AT

IGT4

Ignition coil (No.4 cylinders)

  • Ignition coil No.4

  • Related wiring harness

2AU

Constant voltage (Vref)

MAP sensor

Ignition switch is turned to the ON position

Approx. 5.0

  • Related wiring harness

2AV

MAP sensor ground

MAP sensor

Under any condition

Below 1.0

  • Related wiring harness

2AW

IGT2

Ignition coil (No.2 cylinders)

  • Ignition coil No.2

  • Related wiring harness

2AX

IGT3

Ignition coil (No.3 cylinders)

  • Ignition coil No.3

  • Related wiring harness

2AY

ECT sensor ground

ECT sensor

Under any condition

Below 1.0

  • Related wiring harness

2AZ

Fuel injection (#4)

Fuel injector No.4

  • Fuel injector No.4

  • Related wiring harness

2BA

IGT1

Ignition coil (No.1 cylinders)

  • Ignition coil No.1

  • Related wiring harness

2BB

Fuel injection (#1)

Fuel injector No.1

  • Fuel injector No.1

  • Related wiring harness

2BC

Fuel injection (#2)

Fuel injector No.2

  • Fuel injector No.2

  • Related wiring harness

2BD

Fuel injection (#3)

Fuel injector No.3

  • Fuel injector No.3

  • Related wiring harness

2BE

Rear HO2S heater control

Rear HO2S heater

Heavy load (Heater control not operating)

B+

  • Rear HO2S heater

  • Related wiring harness

2BF

2BG

Front HO2S heater control

Front HO2S heater

  • Front HO2S heater

  • Related wiring harness

2BH

Rear HO2S ground

Rear HO2S

Under any condition

Below 1.0

  • Related wiring harness


*1
AT
*2
MT
*3
Turn the test mode on using the M-MDS simulation function.
*4
MT without ABS/DSC

Inspection Using An Oscilloscope (Reference)

Throttle control (+) signal

Throttle control (–) signal

Purge control signal

OCV control signal

Vehicle speed signal

CMP signal

CKP signal

Generator field coil control signal

Generator output voltage signal

Ignition timing signals

Fuel injection signals

Front HO2S heater control signal

Using the 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.

NOTE:

PID/DATA monitor table (reference)

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: Indicates 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

  • Indicates 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)

Pa

Bar

psi

  • Ignition switch is turned to the ON position: Indicates 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

BPA

(Brake pressure applied switch)

On/Off

  • Brake pedal depressed: On

  • Brake pedal released: Off

  • Brake switch

CATT11_DSD

(Catalyst temperature)

°C

°F

  • Ignition switch is turned to the ON position: Indicates 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: Indicates 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_DSD

(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)

%

  • Indicates the target throttle valve opening ratio

  • The following PIDs

    • APP, RPM

°

  • Indicates 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)

%

  • Indicates 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)

sec

  • 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

  • Indicates 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: Indicates 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

IMRC*6

(Variable tumble solenoid valve)

On/Off

ECT 63 °C {145 °F} or more or engine speed 3,750 rpm or more: On

Others: Off

  • Following PIDs: TP, ECT, RPM

  • Variable tumble solenoid valve

2I

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)

A

  • Indicates EVAP control system incorrect purge flow detection value

LDP_IDL (EVAP system leak detection pump idle current)

A

  • Indicates EVAP system leak detection pump idle current

LDP_MON (EVAP system leak detection pump monitoring current)

A

  • Indicates EVAP system leak detection pump monitoring current

LDP_REF (EVAP system leak detection pump reference current)

A

  • Indicates EVAP system leak detection pump reference current

LDP_SLDV (EVAP system small leak detection value)

A

  • Indicates EVAP system small leak detection value

LDP_VSL_FV*2

(EVAP system very small leak detection fail value)

mA/sec

  • Indicates EVAP system very small leak detection fail value

LDP_VSL_SV*2

(EVAP system very small leak detection safe value)

mA/sec

  • Indicates EVAP system very small leak detection safe value

LDP_VSLDV*2

(EVAP system very small leak detection value)

mA/sec

  • Indicates 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/sec

  • 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. 0.68 V

  • Idle: Approx. 1.4 V

MAP

(Manifold absolute pressure)

Pa

psi

Bar

  • Ignition switch is turned to the ON position: Indicates 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)

A

  • 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: Indicates 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

SHRTFT12

(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)

°

  • Indicates the ignition timing

  • The following PIDs

    • CPP*1, CPP/PNP*1, 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

TH_M

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

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

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

  • Indicates 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. 10%

  • Accelerator pedal depressed: Approx. 90%

  • TP sensor

2AK

V

  • Accelerator pedal released: Approx. 0.5 V

  • Accelerator pedal depressed: Approx. 4.5 V

TP2

(TP sensor No.2)

%

  • Accelerator pedal released: Approx. 10%

  • Accelerator pedal depressed: Approx. 90%

  • TP sensor

2AL

V

  • Accelerator pedal released: Approx. 4.5 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

  • Indicates the battery voltage

  • Battery

1BA

VSS

(Vehicle speed)

KPH

mph

  • Vehicle running: Indicates the vehicle speed

  • ABS, DSC HU/CM*3

  • VSS*4

  • TCM*5

2O*4

1AM*3, 5, 1AI*3, 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

VTC*6

(Variable tumble shutter valve control)

On/Off

Indicates the condition of the variable tumble shutter valve switch

  • Following PIDs: IMRC

  • Variable tumble shutter valve switch

2AE


*1
MT
*2
California emission regulation applicable model
*3
With ABS, DSC HU/CM
*4
MT without ABS/DSC
*5
AT without ABS/DSC
*6
AT


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