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2008 - MX-5 - Transmission/Transaxle

PID/DATA MONITOR INSPECTION [SJ6A-EL]

1. Connect the M-MDS to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
3. Select the applicable PID from the PID table.
4. Verify the PID data according to the directions on the screen.

NOTE:

PID/DATA MONITOR AND RECORD function table

Monitor item (Definition)

Unit/Condition

Condition/Specification

Action

TCM terminal

BOO TCM

(Brake switch)

On/Off

  • Brake pedal depressed: On

  • Other: Off

Inspect the brake switch.

(See BRAKE SWITCH INSPECTION.)

N/A

DTCCNT

N/A

Indicates number of DTC

Check DTC.

(See DTC TABLE [SJ6A-EL].)

N/A

DWN SW

(Down switch)

On/Off

  • Down shift at M range: On

  • Other: Off

Inspect the selector lever component.

(See SELECTOR LEVER COMPONENT INSPECTION.)

2F

ECT TCM

(ECT)

°C

Indicates ECT

N/A

FDPDTC

(FREEZE FRAME DATA)

N/A

Indicates code of FREEZE FRAME DATA

N/A

N/A

GEAR_RA

(Gear ratio)

N/A

  • 1GR: 3.538

  • 2GR: 2.060

  • 3GR: 1.404

  • 4GR: 1.000

  • 5GR: 0.713

  • 6GR: 0.582

  • R position: 3.168

Inspect following PIDs: OSS, SSA, SSB, SSC, SSD, SSE SSF, SSG, THOP, TSS, VSS

N/A

GEAR_SEL

(Calculated gear range in TCM)

1/2/3/4/5/6

  • 1GR: 1

  • 2GR: 2

  • 3GR: 3

  • 4GR: 4

  • 5GR: 5

  • 6GR: 6

Inspect following PIDs: SSA, SSB, SSC, SSD, SSE, SSF, SSG, THOP, TSS, VSS

N/A

LPS

(Line pressure control solenoid)

A

  • D range, 1GR (idle): 996 mA

  • D range, 3GR: 656 mA

  • R position: 719 mA

Inspect the line pressure control solenoid.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1E, 1R

MNL SW

(M range switch)

On/Off

  • M range: On

  • Other: Off

Inspect the selector lever component.

(See SELECTOR LEVER COMPONENT INSPECTION.)

2G

OSS

(Output shaft speed)

RPM

  • Vehicle speed 40 km/h {25 mph}: 3,800 RPM

  • Indicates output shaft speed

Inspect the VSS.

(See VEHICLE SPEED SENSOR (VSS) INSPECTION [SJ6A-EL].)

2C, 2D

PNP_TCM

(Park/Neutral)

Drive/Neutral

  • P, N position: Neutral

  • D, M range or R position: Drive

Inspect the TR switch.

(See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL].)

2K, 2M, 2N, 2O

RPM TCM

(Engine speed)

RPM

  • Ignition switch ON: 0 rpm

  • Idle: 700—800 rpm

N/A

SS SW-

(Steering shift switch (down switch))

On/Off

M range

  • Steering shift down switch on: On

  • Other: Off

Inspect the steering shift switch.

(See STEERING SHIFT SWITCH INSPECTION.)

2AB, 2AF

SS SW+

(Steering shift switch (up switch))

On/Off

M range

  • Steering shift up switch on: On

  • Other: Off

Inspect the steering shift switch.

(See STEERING SHIFT SWITCH INSPECTION.)

2AB, 2AF

SSA

(Shift solenoid A)

On/Off

  • 2GR, 3GR, 4GR, 5GR, 6GR: On

  • 1GR: Off

Inspect the shift solenoid A.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1AF

SSB

(Shift solenoid B)

On/Off

  • 1GR, 2GR, 6GR: On

  • 3GR, 4GR, 5GR: Off

Inspect the shift solenoid B.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1AB

SSC

(Shift solenoid C)

On/Off

  • 1GR, 2GR, 3GR: On

  • 4GR, 5GR, 6GR: Off

Inspect the shift solenoid C.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1AA

SSD

(Shift solenoid D)

On/Off

  • 5GR, 6GR: On

  • 1GR, 2GR, 3GR, 4GR: Off

Inspect the shift solenoid D.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1S

SSE

(Shift solenoid E)

On/Off

  • 1GR, 2GR, 3GR, 4GR: On

  • 5GR, 6GR: Off

Inspect the shift solenoid E.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1V

SSF

(Shift solenoid F)

A

  • 5GR, 6GR: 996 mA

  • 1GR, 2GR, 3GR, 4GR: 199 mA

Inspect the shift solenoid F.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1O, 1Z

SSG

(Shift solenoid G)

A

  • 1GR, 2GR, 3GR, 4GR: 996 mA

  • 5GR, 6GR: 199 mA

Inspect the shift solenoid G.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1L, 1Y

TCCC

(TCC solenoid valve)

A

  • TCC on: 996 mA

  • Other: 199 mA

Inspect the TCC control solenoid.

(See SOLENOID VALVE INSPECTION [SJ6A-EL].)

1D, 1Q

TFT

(ATF temperature)

°C

  • ATF temperature 20 °C {68 °F}: 20 °C

  • ATF temperature 40 °C {104 °F}: 40 °C

  • ATF temperature 60 °C {140 °F}: 60 °C

Inspect the TFT sensor.

(See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR INSPECTION [SJ6A-EL].)

1J, 1M

TFTV

(ATF temperature signal voltage)

V

  • ATF temperature 20 °C {68 °F}: 3 V

  • ATF temperature 40 °C {104 °F}: 2.14 V

  • ATF temperature 60 °C {140 °F}: 1.38 V

Inspect the TFT sensor.

(See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR INSPECTION [SJ6A-EL].)

1J, 1M

THOP

(Throttle position)

%

  • CTP: 20%

  • WOT: 89.8%

N/A

TR

(TR switch)

R/N/D/P

  • R position: R

  • N position: N

  • D range: D

  • P position: P

Inspect the TR switch.

(See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL].)

2K, 2M, 2N, 2O

TRD

(TR switch [D range])

On/Off

  • D range: On

  • Other ranges and all positions: Off

Inspect the TR switch.

(See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL].)

2K

TRR

(TR switch [R position])

On/Off

  • R position: On

  • Other positions and all ranges: Off

Inspect the TR switch.

(See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL].)

2M

TSS

(Turbine shaft speed)

RPM

  • Idle: 700—800 rpm

  • Vehicle speed 40 km/h {25 mph}: 3,800 RPM

Inspect the turbine sensor.

(See TURBINE SENSOR INSPECTION [SJ6A-EL].)

2A, 2B

UP SW

(Up switch)

On/Off

  • Up shift at M range: On

  • Other: Off

Inspect the selector lever component.

(See SELECTOR LEVER COMPONENT INSPECTION.)

2J

VPWR_TCM

(Battery voltage)

V

Ignition switch at ON position: B+

1AD

VSS

(Vehicle speed)

KPH

  • Vehicle speed 40 km/h {25 mph}: 40 KPH

  • Indicates vehicle speed

Inspect the VSS.

(See VEHICLE SPEED SENSOR (VSS) INSPECTION [SJ6A-EL].)

2C, 2D


Simulation Function Procedure

1. Connect the M-MDS to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
3. Select the active command modes from the PID table.
4. Perform the active command modes, inspect the operations for each parts.
Simulation item tableX: Available

Simulation item

Applicable component

Unit/Condition

Operation

TCM terminal

IG ON

Idle

LPS

Pressure control solenoid control signal in TCM

A

N/A

X

1E, 1R

SSA

Shift solenoid A

On/Off

N/A

X

1AF

SSB

Shift solenoid B

On/Off

N/A

X

1AB

SSC

Shift solenoid C

On/Off

N/A

X

1AA

SSD

Shift solenoid D

On/Off

N/A

X

1S

SSE

Shift solenoid E

On/Off

N/A

X

1V

SSF

Shift solenoid F

A

N/A

X

1O, 1Z

SSG

Shift solenoid G

A

N/A

X

1L, 1Y

TCCC

TCC solenoid valve

A

N/A

X

1D, 1Q




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