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DTC INSPECTION [AUTO LEVELING CONTROL MODULE]

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2016 – MX-5 – Body and Accessories

DTC INSPECTION [AUTO LEVELING CONTROL MODULE]

CMDTC Self Test

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.

a. Select “Self Test”.

b. Select “All CMDTCs”.

3. Verify the DTC according to the directions on the screen.

4. After completion of repairs, clear all DTCs stored in the auto leveling control module. (See CLEARING DTC [AUTO LEVELING CONTROL MODULE].)

ODDTC Self Test

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.

a. Select “Self Test”.

b. Select “Modules”.

c. Select “AFS/ALM”.

3. Verify the DTC according to the directions on the screen.

4. After completion of repairs, clear all DTCs stored in the auto leveling control module. (See CLEARING DTC [AUTO LEVELING CONTROL MODULE].)

Snapshot Data

NOTE:

  • The auto leveling control module stores the following two types of snapshot data (vehicle information) when a DTC is detected and displays them in the M-MDS.

    • Vehicle information detected by auto leveling control module

    • Vehicle information detected by instrument cluster and received by auto leveling control module via CAN communication

  • The data for all DTCs currently detected is stored.

—: Not applicable

Snapshot data item

Unit

Data contents

Data read/use method

Corresponding data monitor items

AAT

°C

°F

Ambient temperature

—

—

APP_STATUS

Accelerator Pedal Off/Under20%/Over20%/FAIL

Accelerator pedal position status

—

—

CFG_STATUS

Config Complete/Not Configured/Config Error

Instrument cluster configuration status

—

—

ECT_STATUS

Under 0 degrees C/0 – Under 80 degrees C/Over 80 degrees C/FAIL

Engine coolant temperature status

—

—

IC_VPWR

V

Instrument cluster power supply voltage

  • The auto leveling control module constantly receives the power supply voltage value of the instrument cluster sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the auto leveling control module records the power supply voltage of the instrument cluster when the DTC was detected, and it is displayed in the M-MDS.

VPWR*1

IG-ON_TIMER

hh:mm:ss*2

Elapsed time since ignition was switched ON (engine off or on)

NOTE:

  • The instrument cluster records the elapsed time since the ignition was switched ON (engine off or on).

  • The auto leveling control module constantly receives the elapsed time since the ignition was switched ON (engine off or on) sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the auto leveling control module records the elapsed time since the ignition was switched ON (engine off or on) when the DTC was detected, and it is displayed in the M-MDS.

—

PWR_MODE_KEY

Key Out/Key Recently Out (Position 0)/Accessory (Position 1)/Post Ignition (Position 2)/Ignition On (Position 2)/Running (Position 2)/Running – Starting

  • Key Out: Ignition switched off

  • Key Recently Out (Position 0): Elapsed time within 3 s since ignition was switched off

  • Accessory (Position 1): Ignition is switched to ACC

  • Post Ignition (Position 2): Elapsed time within 3 s since ignition was switched ON (engine off or on)

  • Ignition On (Position 2): Ignition switched ON (engine off)

  • Running (Position 2): Ignition switched ON (engine on)

  • Running – Starting: Cranking condition

  • The auto leveling control module constantly receives the ignition switch status sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the auto leveling control module records the ignition switch status when the DTC was detected, and it is displayed in the M-MDS.

—

RPM_STATUS

Engine Stop/Under1500rpm/Over1500rpm/FAIL

Engine speed status

  • The auto leveling control module constantly receives the engine speed sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the auto leveling control module records the engine speed when the DTC was detected, and it is displayed in the M-MDS.

TACHOMTR*1

SHIFT_STATUS

P/N/D/R/FAIL

Selector lever position status

  • The auto leveling control module constantly receives the selector lever position sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the auto leveling control module records the selector lever position when the DTC was detected, and it is displayed in the M-MDS.

—

TOTAL_DIST

km

Miles

Accumulated total traveled distance from completion of vehicle until auto leveling control module detects DTC (Odometer value in instrument cluster)

The total traveled distance from which the auto leveling control module detects DTCs to the present can be calculated by performing the following procedure.

  • Verify the odometer value in the instrument cluster.

  • Verify the snapshot data item TOTAL_DIST.

  • Subtract 2 from 1.

—

TOTAL_TIME

hh:mm:ss*2

Accumulated total elapsed time since vehicle completion until auto leveling control module detects a DTC

NOTE:

  • When the ROOM fuse is removed, and the ignition is switched off, the time is not included in the elapsed time.

The elapsed time from which the auto leveling control module detects DTCs to the present can be calculated by performing the following procedure.

  • Verify the instrument cluster PID item TOTAL_TIME.

  • Verify the snapshot data item TOTAL_TIME.

  • Subtract 2 from 1.

TOTAL_TIME*1

VPWR

V

Auto leveling control module power supply voltage

—

VPWR_IG

VSPD_STATUS

Stop/0-10km/h/Over10km/h/FAIL

Vehicle speed status

  • The auto leveling control module constantly receives the vehicle speed sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the auto leveling control module records the vehicle speed when the DTC was detected, and it is displayed in the M-MDS.

SPEEDOMTR*1

*1
Instrument cluster PID (See PID/DATA MONITOR TABLE [INSTRUMENT CLUSTER].)
*2
The seconds may be indicated after the decimal point.

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