SNAPSHOT DATA TABLE [DC-DC CONVERTER (Mazda M Hybrid)]

id140206100500

—: Not applicable

Item

Unit/Condition

Definition
AMB_TEMP
°C, °F
•  Ambient air temperature
APP
%
•  Displays accelerator pedal opening angle
BATT_SOC
%
•  Displays the battery charge condition (estimated).
BATT_VOLT
V
•  Displays the supply voltage (terminal 1A) to the microcomputer in the DC-DC converter (Mazda M Hybrid).
BRK_SW
Not Stepping/Stepping
•  Displays the brake pedal depression status.
CHARGE_WRNG_REQ
Not Request/Request
•  Displays the illumination request signal of the charging system warning light/indication request signal of the charging system warning indication.
CTRL_STAT_REQ
Stop (Off)/Operation (On)
•  Displays the presence/non-presence of the step-down circuit operation command signal from the PCM.
DCDC_A1_CUR
A
•  Displays the step-down circuit No.1 current in the DC-DC converter (Mazda M Hybrid).
DCDC_A1_TEMP
°C, °F
•  Displays the FET temperature of step-down circuit No.1 in the DC-DC converter (Mazda M Hybrid).
DCDC_A2_CUR
A
•  Displays the step-down circuit No.2 current in the DC-DC converter (Mazda M Hybrid).
DCDC_A2_TEMP
°C, °F
•  Displays the FET temperature of step-down circuit No.2 in the DC-DC converter (Mazda M Hybrid).
DCDC_B1_CUR
A
•  Displays the step-down circuit No.3 current in the DC-DC converter (Mazda M Hybrid).
DCDC_B1_TEMP
°C, °F
•  Displays the FET temperature of step-down circuit No.3 in the DC-DC converter (Mazda M Hybrid).
DCDC_B2_CUR
A
•  Displays the step-down circuit No.4 current in the DC-DC converter (Mazda M Hybrid).
DCDC_B2_TEMP
°C, °F
•  Displays the FET temperature of step-down circuit No.4 in the DC-DC converter (Mazda M Hybrid).
DCDC_CON_TEMP
°C, °F
•  Displays the temperature in the DC-DC converter (Mazda M Hybrid) during a malfunction.
DCDC_OUT_CUR_LIM
non Request (Off)/Request (On)
•  Displays the output current restricted by the DC-DC converter (Mazda M Hybrid).
DCDC_OUT_U
V
•  Displays the target value of the output voltage relative to the DC-DC converter (Mazda M Hybrid) from the PCM.
DCDC_STAT
Ready/Idle/Power Output(Normal)/Power Output(Limit)/Safe Mode/Stop/Error/Initializing/Standby/Power Output(Single-Fail Limit)/Default/Shutdown/Pending Error
•  Displays the operation status of the DC-DC converter (Mazda M Hybrid).
―  Ready: Step-down preparation completed
―  Idle: Step-down output stopped
―  Power Output (Normal): During output
―  Power Output (Limit): During output (restriction status)
―  Safe Mode: Step-down output stopped (input/output safety switch open status)
―  Stop:Output from the voltage reduction circuit stops due to a temporary voltage reduction circuit malfunction.
―  Error: During Step-down circuit malfunction
―  Initializing: During initializing
―  Standby: On operation standby
―  Power Output (Single-Fail Limit): Single circuit in step-down circuit malfunctioning
―  Default: Fail-safe mode (command error from PCM)
―  Shutdown: During interrupt processing after ignition is switched OFF
―  Pending Error: Availability verification status for restoring from error
DEGEN_COUNTER_BATT
—
•  Displays the number of times the DC-DC converter (Mazda M Hybrid) degenerated with the battery connected.
DEGEN_STOP_COUNTER
—
•  Displays the number of times the DC-DC converter (Mazda M Hybrid) temperature is abnormal with the battery connected.
DEGEN_WRNG
OK/Degeneracy warning/Degeneracy/Degeneracy Stop
•  Displays the control status in the DC-DC converter (Mazda M Hybrid).
―  OK: Internal DC-DC converter (Mazda M Hybrid) is normal
―  Degeneracy warning: Degeneration concern in DC-DC converter (Mazda M Hybrid)
―  Degeneracy: Degeneration status in DC-DC converter (Mazda M Hybrid)
―  Degeneracy Stop: DC-DC converter (Mazda M Hybrid) function is stopped due to abnormal temperature condition in DC-DC converter (Mazda M Hybrid)
DEGEN_WRNG_COUNTER
—
•  Displays the number of times the DC-DC converter (Mazda M Hybrid) degeneration was inhibited with the battery connected.
ECT
°C, °F
•  Engine coolant temperature input from ECT sensor No.1
ENG_RPM
rpm
•  Displays engine speed
ENG_RUN_TIME
Second
•  Time from engine start
FORCE_TERMINATE_REQ
non Request (Off)/Request (On)
•  Displays the DC-DC converter (Mazda M Hybrid) forced output request signal.
GLOBAL_REAL_TIME
min
•  Displays the cumulative, total elapsed time since the vehicle was shipped.
IG_ON_NUM
—
•  Displays the number of times the ignition was switched ON (engine off) since vehicle shipment.
IG_ON_TIMER
min
•  Displays the elapsed time since the ignition was switched ON (engine off).
IG_STAT
Off/On
•  Displays the ignition switched ON (engine off) status.
INPUT_VOLT
V
•  Displays the input voltage of the DC-DC converter (Mazda M Hybrid) during a malfunction
ODR_STORE_REQ
non Request/Request
•  Displays the presence/non-presence of the data storage request signal to the PCM.
OUT_CUR_LIM_STAT
Not active/Active
•  Displays the current restriction status.
OUT_LIM_REQ
20A/40A/60A/80A/90A/95A/110A/120A
•  Displays the restricted current.
OUTPUT_CUR_VEH_LOAD
A
•  Displays the output current of the DC-DC converter (Mazda M Hybrid) during a malfunction.
OUTPUT_VOLT_BATT
V
•  Displays the output voltage of the DC-DC converter (Mazda M Hybrid) during a malfunction.
POWER_MODE
OFF/ACC/ON/CRANK
•  Displays the vehicle status.
―  OFF: Ignition switched to OFF
―  ACC: Ignition switched to ACC
―  ON: Ignition switched ON (engine off)
―  CRANK: During engine cranking
REGEN_BRK_WRNG
Off/On
•  Displays the presence/non-presence of the master warning light illumination request signal.
SAFETY_SW_IN_STAT
SW_A(In) Open & SW_B(In) Open/
SW_A(In) Close & SW_B(In) Open/
SW_A(In) Open & SW_B(In) Close/
SW_A(In) Close & SW_B(In) Close
•  Displays the operation status of the safety switch (input side) set in the DC-DC converter (Mazda M Hybrid).
―  SW_A(In) Open & SW_B(In) Open: Safety switch A open and safety switch B open
―  SW_A(In) Close & SW_B(In) Open: Safety switch A closed and safety switch B open
―  SW_A(In) Open & SW_B(In) Close: Safety switch A open and safety switch B closed
―  SW_A(In) Close & SW_B(In) Close: Safety switch A closed and safety switch B closed
SAFETY_SW_OUT_STAT
SW_A(Out) Open & SW_B(Out) Open/
SW_A(Out) Close & SW_B(Out) Open/
SW_A(Out) Open & SW_B(Out) Close/
SW_A(Out) Close & SW_B(Out) Close
•  Displays the operation status of the safety switch (output side) set in the DC-DC converter (Mazda M Hybrid).
―  SW_A(Out) Open & SW_B(Out) Open: Safety switch A open and safety switch B open
―  SW_A(Out) Close & SW_B(Out) Open: Safety switch A closed and safety switch B open
―  SW_A(Out) Open & SW_B(Out) Close: Safety switch A open and safety switch B closed
―  SW_A(Out) Close & SW_B(Out) Close: Safety switch A closed and safety switch B closed
SAFETY_SW_REQ
Open Request/Close Request
•  Displays the presence/non-presence of the safety switch open/close request signal of the DC-DC converter (Mazda M Hybrid) from the PCM.
SHIFT_POS
Parking/
Reverse/
Neutral/
between 2 position/
Forward Drive 1/
Forward Drive 2/
Forward Drive 3/
Forward Drive 4/
Forward Drive 5/
Forward Drive 6/
Forward Drive 7/
Forward Drive 8/
Parking/Neutral/
Invalid
•  Displays selector lever position
―  Parking: P position
―  Reverse: R position
―  Neutral: N position
―  between 2 position: Between 2 shift positions
―  Forward Drive 1: 1st gear
―  Forward Drive 2: 2nd gear
―  Forward Drive 3: 3rd gear
―  Forward Drive 4: 4th gear
―  Forward Drive 5: 5th gear
―  Forward Drive 6: 6th gear
―  Forward Drive 7:—
―  Forward Drive 8: —
―  Parking/Neutral: —
―  Invalid: Signal invalid
TOTAL_DIST
km, ft, mile
•  Total distance
TOTAL_RUN_TIME
min
•  Displays the total operation time of the DC-DC converter (Mazda M Hybrid) since it was assembled to the vehicle.
VPWR
V
•  Displays the battery voltage input to the DC-DC converter (Mazda M Hybrid).
VPWR_CBCM
V
•  Body control module (BCM) power supply voltage.
VSS
KPH, MPH
•  Displays vehicle speed
WRNG_DISP_REQ
Off/On
•  Displays the degeneration status of the DC-DC converter (Mazda M Hybrid).