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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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ACTIVE COMMAND MODES TABLE [BCM]

NOTE:

  • Simulation items on parts which are not equipped to the vehicle do not operate.

Simulation item

Unit/Operation

Data contents

Output part name

Operation condition

BG_HORN_RLY

Off/On

If an accessory part is installed, it cannot be used.

BLWR_RLY

Off/On

  • Off: Turns the blower relay off.

  • On: Turns the blower relay on.

Blower relay

Ignition switched ON (engine off or on)

DR_LK_RY

Off/On

NOTE:

  • The BCM sends a door lock relay operation request signal (lock signal) to the electrical supply unit (ESU) via LIN communication.

  • Off: Does not lock the door.

  • On: Locks the door.

Door lock relay

Ignition switched ON (engine off or on)

DR_UNLK_RY

Off/On

NOTE:

  • The BCM sends a door unlock relay operation request signal (unlock signal) to the electrical supply unit (ESU) via LIN communication.

  • Off: Does not unlock the door.

  • On: Unlocks the door.

Door unlock relay

Ignition switched ON (engine off or on)

F_FOG_RELAY

Off/On

NOTE:

Displayed on M-MDS but does not function.

H/L_CLN_RY

Off/On

NOTE:

Displayed on M-MDS but does not function.

H/L_DRL

Off/On

NOTE:

  • The BCM sends a running light on request signal to the electrical supply unit (ESU) via LIN communication.

  • Off: The running lights are turned off.

  • On: The running lights are turned on.

Running light

Ignition switched ON (engine off or on)

H/L_HI

0%/100%

NOTE:

  • The BCM sends a headlight HI on request signal to the electrical supply unit (ESU) via LIN communication.

  • 0%: The headlights HI are turned off.

  • 100%: The headlights HI are turned on.

Headlight HI

Ignition switched ON (engine off or on)

H/L_LOW

0%/100%

NOTE:

  • The BCM sends a headlight LO on request signal to the electrical supply unit (ESU) via LIN communication.

  • 0%: The headlights LO are turned off.

  • 100%: The headlights LO are turned on.

Headlight LO

Ignition switched ON (engine off or on)

H/L_TNS

Off/Right-On/Left-On/On

NOTE:

  • The BCM sends a TNS (parking lights) on request signal to the electrical supply unit (ESU) via LIN communication.

  • Off: Turns the parking lights off.

  • Right-On: Turns the parking light (RH) on.

  • Left-On: Turns the parking light (LH) on.

  • On: Turns the parking lights (RH/LH) on.

Parking light

Ignition switched ON (engine off or on)

HORN_RLY

Off/On

  • Off: Stops the horn.

  • On: Sounds the horn.

Horn relay

Ignition switched ON (engine off or on)

PTC_HEAT_ST

0%/10%/20%/30%/40%/50%/60%/70%/80%

NOTE:

Displayed on M-MDS but does not function.

R_DEF_RLY

Off/On

  • Off: Stops the rear window defogger.

  • On: Operates the rear window defogger.

Rear window defogger relay

Ignition switched ON (engine off or on)

R_FOG_LAMP

Off/On

NOTE:

Displayed on M-MDS but does not function.

REVERSE_LMP

Off/On

NOTE:

  • The BCM sends a back-up light on request signal to the electrical supply unit (ESU) via LIN communication.

  • Off: Turns the back-up light off.

  • On: Turns the back-up light on.

Back-up light

Ignition switched ON (engine off or on)

ROOM_LAMP

Off/100%_On

NOTE:

  • The BCM sends a map light on request signal to the electrical supply unit (ESU) via LIN communication.

  • Off: Turns the map light off.

  • 100%_On: Turn the map light on.

Map light

Ignition switched ON (engine off or on)

STOP_LMP_CTL

Off/On

NOTE:

Displayed on M-MDS but does not function.

TRUNK_LAMP

Off/On

NOTE:

  • The BCM sends a trunk compartment light on request signal to the electrical supply unit (ESU) via LIN communication.

  • Off: Turns the trunk compartment light off.

  • On: Turns the trunk compartment light on.

trunk compartment light

Ignition switched ON (engine off or on)

TRUNK_MOTOR

Off/On

NOTE:

  • The BCM sends a trunk lid release signal to the electrical supply unit (ESU) via LIN communication.

  • Off: Does not open the trunk.

  • On: Opens the trunk.

Trunk lid release relay

Ignition switched ON (engine off or on)

WASHER_CTRL

Off/Front_ON

NOTE:

  • The BCM sends a washer operation request signal to the electrical supply unit (ESU) via LIN communication.

  • Off: Stops the washer motor.

  • Front_ON: Operates the washer motor.

Washer motor

Ignition switched ON (engine off or on)

WIP_R_CTRL

Off/INT/On/On_1Time/On_2Time/On_3Time/On_4Time

NOTE:

Displayed on M-MDS but does not function.
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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