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DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

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2016 – MX-5 – Restraints

DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

NOTE:

  • If the self-test is implemented, the seat weight sensor calibration is performed. Perform the DTC inspection in accordance with the following conditions:

    • Do not place objects on the front seat (passenger side)

    • Do not touch the front seat (passenger side)

    • Fix the slide position of the front seat (passenger side) to the maximum rearward position.

    • Fix the recliner position of the front seat (passenger side) to the maximum forward position.

    • Set cabin vehicle temperature range between the -10 to 40 °C {14 to 104 °F}

    • Other than the above conditions, a “Japan only” command is also displayed, however, do not select the command because it is for use in Japan only.

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 SAS control module. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)

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 “RCM”.

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

4. After completion of repairs, clear all DTCs stored in the SAS control module. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)

Snapshot Data Table

NOTE:

  • The SAS control module stores the following two types of information when a DTC is detected and displays snap shot data in the M-MDS.

    • Vehicle information detected by SAS control module

    • Vehicle information detected by instrument cluster and received by SAS control module via CAN signal

  • The data for all DTCs currently detected is stored.

Snapshot data item

Unit

Definition

Data read/use method

Corresponding PID data monitor item

AAT

°C

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

—

—

FAULT_CNT

—

Number of malfunction detections

—

—

FIRST_DET_IG

ss*1

Time when initial malfunction occurs (IG-ON counter)

  • Elapsed time from when ignition is switched ON (engine off or on) until SAS control module detects first malfunction*3

—

—

IC_VPWR

V

Instrument cluster power supply voltage

  • The SAS 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 SAS control module records the power supply voltage of the instrument cluster when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).

VPWR*2

IG-ON_TIMER

ss*1

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 SAS 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 SAS 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 Mazda Modular Diagnostic System (M-MDS).

—

LAST_CLR

ss*1

Repair time for last malfunction (B+ counter)

  • Elapsed time from when battery is connected until SAS control module detects that last malfunction is repaired*3

—

—

LAST_CLR_IG

ss*1

Repair time for last malfunction (IG-ON counter)

  • Elapsed time from when ignition is switched ON (engine off or on) until SAS control module detects that last malfunction is repaired*3

—

—

LAST_DET

ss*1

Time when last malfunction occurs (B+ counter)

  • Elapsed time from when battery is connected until SAS control module detects last malfunction*3

—

—

LAST_DET_IG

ss*1

Time when last malfunction occurs (IG-ON counter)

  • Elapsed time from when ignition is switched ON (engine off or on) until SAS control module detects last malfunction*3

—

—

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 SAS control module constantly receives the ignition switch status sent via CAN signal from the instrument cluster.

  • If a DTC is detected, the SAS control module records the ignition switch status when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).

—

RPM_STATUS

Engine Stop/

Under1500rpm/

Over1500rpm/

FAIL

Engine speed status

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

  • If a DTC is detected, the SAS control module records the engine speed when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).

TACHOMTR*2

SHIFT_STATUS

P/N/

D/

R/

FAIL

Selector lever position status

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

  • If a DTC is detected, the SAS control module records the selector lever position when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).

—

TOTAL_DIST

km

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

The total traveled distance from which the SAS 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

ss*1

Accumulated total elapsed time since vehicle completion until SAS control module detects a DTC*3

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 SAS 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*2

VPWR

V

SAS control module power supply malfunction

—

VPWR_IGA

VSPD_STATUS

Stop/

0-10km/h/

Over10km/h/

FAIL

Vehicle speed status

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

  • If a DTC is detected, the SAS control module records the vehicle speed when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).

SPEEDOMTR*2

*1
The seconds may be indicated after the decimal point.
*2
Instrument cluster PID (See PID/DATA MONITOR TABLE [INSTRUMENT CLUSTER].)
*3
The snap shot data of the number of stored malfunction detections, B+ counters, or IG ON counters is combined with the DTC detection conditions of the SAS control module, and the point-in-time data in the following table is stored.

SAS control module DTC detection period

Snapshot data

FAULT_CNT

(Number of malfunction detections)

TOTAL_TIME

FIRST_DET_IG

LAST_DET

LAST_DET_IG

LAST_CLR

LAST_CLR_IG

Number of malfunction detections

Time when first malfunction occurs (B+ counter)

Time when initial malfunction occurs (IG-ON counter)

Time when last malfunction occurs (B+ counter)

Time when last malfunction occurs (IG-ON counter)

Repair time for last malfunction (B+ counter)

Repair time for last malfunction (IG-ON counter)

(1)

1

A

G

A

G

–

–

(2)

1

A

G

A

G

B

H

(3)

2

A

G

C

I

B

H

(4)

2

A

G

C

I

D

J

(5)

3

A

G

E

K

D

J

(6)

3

A

G

E

K

F

L

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