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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostics - Electronically Controlled Brake Unit (4 Of 4) >> PID/Data Monitor Table [Electronically Controlled Brake Unit]
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PID/Data Monitor Table [Electronically Controlled Brake Unit]

-: Not applicable 

PID/DATA MONITOR DESCRIPTION

PID Unit/Operation Data contents Module control terminal
ACC_LAT G Displays the lateral acceleration speed (raw value).
  • 0 G: Vehicle stopped or driving at constant speed
  • Changes 0 G-positive: Cornering to left
  • Changes 0 G-negative: Cornering to right
 1D, 1F
ACC_LAT_C G Displays the lateral acceleration speed (calculated value).
  • 0 G: Vehicle stopped or driving at constant speed
  • Changes 0 G-positive: Cornering to left
  • Changes 0 G-negative: Cornering to right
 1D, 1F
ACC_LON G Displays the longitudinal acceleration speed (raw value).
  • 0 G: Vehicle stopped or driving at constant speed
  • Changes 0 G-positive: Vehicle is driving at a acceleration
  • Changes 0 G-negative: Vehicle is driving at a deceleration
 1D, 1F
ACC_LON_C G Displays the longitudinal acceleration speed (calculated value).
  • 0 G: Vehicle stopped or driving at constant speed
  • Changes 0 G-positive: Vehicle is driving at a acceleration
  • Changes 0 G-negative: Vehicle is driving at a deceleration
 1D, 1F
BRK_FLD_HYD_PRES mBar, Bar Displays the brake fluid pressure (calculated value) input from the brake fluid pressure sensor (linear actuator side).
  • Changes according to the brake fluid pressure: Brake pedal depressed
 -
BRK_FLD_PRES mBar, Bar Displays the brake fluid pressure (raw value) input from the brake fluid pressure sensor (linear actuator side).
  • Changes according to the brake fluid pressure: Brake pedal depressed
 -
BRK_FLD_STAT Full/Low/Too low/Abnormal
  • Full: Brake fluid level is full
  • Low: Brake fluid level is low
  • Too low: Brake fluid level is extremely low
  • Abnormal: Brake fluid level is not normal
 -
BRK_FORCE_L kN Displays the estimated thrust of the left wheel brake. - 
BRK_FORCE_R kN Displays the estimated thrust of the right wheel brake. - 
BRK_PEDAL_POS_CORRECTED mm Displays the calculated brake pedal depression amount using "BRK_PEDAL_POS_MEASURED". -
BRK_PEDAL_POS_MEASURED mm Displays the amount of master cylinder rod stroke movement. -
BRK_PEDAL_SW Inactive/Active
  • Inactive: Brake pedal released
  • Active: Brake pedal depressed
 1AM, 1AO
BRK_TEMP_L/R °C, °F Displays the estimated temperature of left rear wheel rear disc plate -
BRK_TEMP_R/R °C, °F Displays the estimated temperature of right rear wheel rear disc plate -
CUTOFF_PRES_SEN mBar, Bar Displays the brake fluid pressure (calculated value) input from the brake fluid pressure sensor (master cylinder side).
  • Changes according to the brake fluid pressure: Brake pedal depressed
 -
DSC_SW Inactive/Active
  • Inactive: DSC OFF switch is released
  • Active: DSC OFF switch is depressed
 1AM, 1AO
DSC_SYS_STAT Passive/Active
  • Passive: DSC OFF mode
  • Active: Other than DSC OFF mode (DSC control permitted condition)
 -
DYC_DISABLE FALSE/TRUE
  • FALSE: G-vectoring control plus (yaw momentum control) control is permitted
  • TRUE: G-vectoring control plus (yaw momentum control) control is inhibited
 -
DYN_PARK_BRK Inactive/Active
  • Inactive: Emergency brake function is not operating
  • Active: Emergency brake function is operating
 -
EPB_ACTAT_APPLIED_L Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake operation is completed (electric parking brake motor gear unit (LH) is securing rear disc plate)
 -
EPB_ACTAT_APPLIED_R Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake operation is completed (electric parking brake motor gear unit (RH) is securing rear disc plate)
 -
EPB_ACTAT_APPLYING_L Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake is operating (electric parking brake motor gear unit (LH) is securing rear disc plate)
 -
EPB_ACTAT_APPLYING_R Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake is operating (electric parking brake motor gear unit (RH) is securing rear disc plate)
 -
EPB_ACTAT_RELEASED_L Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake release is completed (electric parking brake motor gear unit (LH) releases rear disc plate)
 -
EPB_ACTAT_RELEASED_R Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake release is completed (electric parking brake motor gear unit (RH) releases rear disc plate)
 -
EPB_ACTAT_RELEASING_L Inactive/Active
  • Active: Electric parking brake is releasing (electric parking brake motor gear unit (LH) is releasing rear disc plate)
  • Inactive: Conditions other than below
 -
EPB_ACTAT_RELEASING_R Inactive/Active
  • Inactive: Conditions other than below
  • Active: Electric parking brake is releasing (electric parking brake motor gear unit (RH) is releasing rear disc plate)
 -
EPB_ACTAT_STAT Inactive/Active
  • Inactive: Electric parking brake motor gear unit is not operating
  • Active: Electric parking brake motor gear unit is operating
 -
EPB_APPLYING Inactive/Active
  • Inactive: Electric parking brake is not operating
  • Active: Electric parking brake is operating
 -
EPB_AUTO_ADJ Inactive/Active
  • Inactive: Except below
  • Active: Electric parking brake is operating to adjust rear disc pad clearance
 -
EPB_DYN_BRK Inactive/Active
  • Inactive: While electric parking brake is operating, vehicle is not being driven or clamp does not operate again when brake temperature is high
  • Active: While electric parking brake is operating, vehicle is not being driven or clamp is operating again when brake temperature is high
 -
EPB_MAINT_MODE_L Inactive/Active
  • Inactive: Not in maintenance mode
  • Active: Transitions to maintenance mode, and clearance between disc pads of electric parking brake motor gear unit (LH) and rear disc plates is widened
 -
EPB_MAINT_MODE_R Inactive/Active
  • Inactive: Not in maintenance mode
  • Active: Transitions to maintenance mode, and clearance between disc pads of electric parking brake motor gear unit (RH) and rear disc plates is widened
 -
EPB_RELEASING Inactive/Active
  • Inactive: Electric parking brake is not released
  • Active: Electric parking brake is released
 -
EPB_STAT_1 Inactive/Active
  • Inactive: Electric parking brake gear unit (LH) position cannot be detected
  • Active: Electric parking brake gear unit (LH) position can be detected
 -
EPB_STAT_2 Inactive/Active
  • Inactive: Electric parking brake gear unit (RH) position cannot be detected
  • Active: Electric parking brake gear unit (RH) position can be detected
 -
EPB_STATIC_APPLIED Inactive/Active
  • Inactive: Electric parking brake operation is not completed while vehicle is stopped
  • Active: Electric parking brake operation is completed while vehicle is stopped
 -
EPB_STATIC_RELEASED Inactive/Active
  • Inactive: Electric parking brake operation release is not completed while vehicle is stopped
  • Active: Electric parking brake operation release is completed while vehicle is stopped
 -
EPB_SW Neutral/Apply/Release/Error
  • Neutral: Electric parking brake switch is in neutral position
  • Apply: Electric parking brake switch is pulled up
  • Release: Electric parking brake switch is pushed down
  • Error: Electric parking brake switch position is unknown
 -
FALL_BACK_PARK_BRK Inactive/Active
NOTE:
  • Displays in the M-MDS but it does not operate.
 -
HDC_SW Inactive/Active
NOTE:
  • Displays in the M-MDS but it does not operate.
 -
HYD_PUMP_STAT Not Activated/Activated Displays the implementation condition of the hydraulic pressure control by the pump.
  • Not Activated: Pump motor not activated
  • Activated: Pump motor activated
 1 AS, 2B
PAD_MAINT_MODE Inactive/Active
  • Inactive: Not in maintenance mode
  • Active: In maintenance mode
 -
PARK_BRK_COUNT - Displays the number of electric parking brake operations. -
PARK_BRK_CUR_L/R A 1-20 A: Electric parking brake motor gear unit (LH) is operating -
PARK_BRK_CUR_R/R A 1-20 A: Electric parking brake motor gear unit (RH) is operating -
PARK_BRK_SW Inactive/Active
NOTE:
  • Displays in the M-MDS but it does not operate.
 -
PSM_STAT Enable/Enabled for test/Motor disabled TTS enabled/Disable
  • Enable: Electronically controlled brake system is set to enabled
  • Enabled for test: Electronically controlled brake system is set to inspection mode
  • Motor disabled TTS enabled: Electronically controlled brake system is set to disabled (delivered as is by supplier)
  • Disable: Electronically controlled brake system is set to disabled
 -
PV_CHECK_STAT complete/not complete
  • complete: Inspection for trapped air is completed before shipping from factory
  • not complete: Inspection for trapped air is not completed before shipping from factory
 -
RBT_MODE Inactive/Active
NOTE:
  • Displays in the M-MDS but it does not operate.
 -
REGEN_BRK No/Yes
  • No: Regenerative brake cooperative control is inhibited
  • Yes: Regenerative brake cooperative control is permitted
 -
REV_GEAR_SW Off/On ATX
  • Off: Selector lever is in position other than R position
  • On: Selector lever is in R position

MTX
  • Off: Shift lever is in position other than reverse
  • On: Shift lever is in reverse
 1AM, 1AO
ROLLER_MODE Inactive/Active
  • Inactive: Not in electric parking brake inspection mode
  • Active: In electric parking brake inspection mode
 -
STR_ANG °
NOTE:
  • Constantly indicates 0° until the steering wheel angle neutral position determination by the electronically controlled brake unit is completed.
  • The steering wheel angle neutral position determination by the electronically controlled brake unit is completed when the vehicle is driven in a straight line at a speed of 20 km/h {12 mph} or more for several seconds.
Displays the steering angle (calculated value).
  • 0°: Steering wheel in neutral position
  • Changes 0°-positive: Steering wheel turned to left
  • Changes 0°-negative: Steering wheel turned to right
 1AM, 1AO
STR_ANG_R °
NOTE:
  • The signal displayed in this item is a steering angle (relative angle) signal output from the EPS control module.
Displays the steering angle (raw value).
  • 0°: Steering wheel in neutral position
  • Changes 0°-positive: Steering wheel turned to left
  • Changes 0°-negative: Steering wheel turned to right
 1AM, 1AO
TCS_DUMP_L/F Off/On
  • Off: Outlet solenoid valve (LF) is stopped
  • On: Outlet solenoid valve (LF) is operating
 -
TCS_DUMP_L/R Off/On
  • Off: Outlet solenoid valve (LR) is stopped
  • On: Outlet solenoid valve (LR) is operating
 -
TCS_DUMP_R/F Off/On
  • Off: Outlet solenoid valve (RF) is stopped
  • On: Outlet solenoid valve (RF) is operating
 -
TCS_DUMP_R/R Off/On
  • Off: Outlet solenoid valve (RR) is stopped
  • On: Outlet solenoid valve (RR) is operating
 -
TCS_ISOLAT_VLV_1 Off/On
  • Off: Pressure feed valve (LF/RR) is stopped
  • On: Pressure feed valve (LF/RR) is operating
 -
TCS_ISOLAT_VLV_2 Off/On
  • Off: Pressure feed valve (RF/LR) is stopped
  • On: Pressure feed valve (RF/LR) is operating
 -
TCS_ISOLAT_VLV_L/F Off/On
  • Off: Inlet solenoid valve (LF) is stopped
  • On: Inlet solenoid valve (LF) is operating
 -
TCS_ISOLAT_VLV_L/R Off/On
  • Off: Inlet solenoid valve (LR) is stopped
  • On: Inlet solenoid valve (LR) is operating
 -
TCS_ISOLAT_VLV_R/F Off/On
  • Off: Inlet solenoid valve (RF) is stopped
  • On: Inlet solenoid valve (RF) is operating
 -
TCS_ISOLAT_VLV_R/R Off/On
  • Off: Inlet solenoid valve (RR) is stopped
  • On: Inlet solenoid valve (RR) is operating
 -
TCS_PUMP_MOTOR Off/On Displays the linear actuator operation condition.
  • Off: Linear actuator not activated
  • On: Linear actuator activated
 1 AS, 2B
TCS_SUPPLY_1 Off/On
  • Off: TMC cut valve (LF/RR) is stopped
  • On: TMC cut valve (LF/RR) is operating
 -
TCS_SUPPLY_2 Off/On
  • Off: TMC cut valve (RF/LR) is stopped
  • On: TMC cut valve (RF/LR) is operating
 -
TCS_VLV_SUPPLY Off/On
  • Off: Power supply to inlet solenoid valves and outlet solenoid valves of each wheel is stopped
  • On: Power supply to inlet solenoid valves and outlet solenoid valves of each wheel is implemented
 1A, 1AS
VPWR V Displays the power supply voltage to the electronically controlled brake unit. 1A, 1AS
VSS KPH, MPH Displays the vehicle speed. 1M, 1P, 1S, 1V, 1Y, 1AB, 1AE, 1AH
WSPD_SEN_L/F KPH, MPH Displays the wheel speed of the left front wheel received from the ABS wheel-speed sensor (LF). 1Y, 1AB
WSPD_SEN_L/R KPH, MPH Displays the wheel speed of the left rear wheel received from the ABS wheel-speed sensor (LR). 1S, 1V
WSPD_SEN_R/F KPH, MPH Displays the wheel speed of the right front wheel received from the ABS wheel-speed sensor (RF). 1M, 1P
WSPD_SEN_R/R KPH, MPH Displays the wheel speed of the right rear wheel received from the ABS wheel-speed sensor (RR). 1AE, 1AH
YAW_RATE °/s Displays the yaw rate (raw value) received from the yaw rate sensor.
  • 0°/s: Vehicle stopped or driving straight
  • Changes 0°/s-positive: Cornering to left
  • Changes 0°/s-negative: Cornering to right
 1D, 1F
YAW_RATE_C °/s Displays the yaw rate (calculated value) received from the yaw rate sensor.
  • 0°/s: Vehicle stopped or driving straight
  • Changes 0°/s-positive: Cornering to left
  • Changes 0°/s-negative: Cornering to right
 1D, 1F
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