DTC INSPECTION [i-ELOOP]


id130201000200


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.

(1)  Select “Self Test”.
(2)  Select “All CMDTCs”.

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

•  If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection after recording the snapshot data. (See DTC TABLE [i-ELOOP].)

4.  After completion of repairs, clear all DTCs stored in the DC-DC converter (i-ELOOP). (See CLEARING DTC [i-ELOOP].)


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.

(1)  Select “Self Test”.
(2)  Select “Modules”.
(3)  Select “DCDC”.

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

•  If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection after recording the snapshot data. (See DTC TABLE [i-ELOOP].)

4.  After completion of repairs, clear all DTCs stored in the DC-DC converter (i-ELOOP). (See CLEARING DTC [i-ELOOP].)


Snapshot Data

Note
•  Snapshot data items are not displayed, according to detected DTC.

—: 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
BOARD_TEMP
°C
°F
Temperature of control board
BP_RY
Disconnect (Off)/Connect (On)/Fault (Off)/Fault (On)
State of bypass relay
BP_RY_TEMP
°C
°F
Temperature of bypass relay
BP_RY1
Low/High
State of bypass relay signal 1
BP_RY2
Low/High
State of bypass relay signal 2
CAP_MID_V
V
Capacitor middle voltage
CAP_RY
Disconnect (Off)/Connect (On)/Fault (Off)/Fault (On)
State of capacitor relay
CAP_TEMP
°C
°F
Capacitor temperature
CAP_V
V
Capacitor voltage
CFG_STATUS
Config Complete/Not Configured/Config Error
Instrument cluster configuration status
CONV_OUT_V
V
DC-DC converter (i-ELOOP) reduction circuit output voltage
CONV_TEMP
°C
°F
Converter temperature
CRANK_SIG
Low/High
State of cranking signal
CRANK_V
V
Battery voltage during cranking
DCDC_IN_V
V
DC-DC converter (i-ELOOP) input voltage (input terminal voltage)
DCDC_OUT_V
V
DC-DC converter (i-ELOOP) output voltage (output terminal voltage)
DCDC_OUT_I
A
DC-DC converter (i-ELOOP) output current
DEGEN_WARN
Ok/Degeneration warning/Degeneration
Degeneracy warning
DIODE
O.K.
State of diode
DISCHRG_RY
On/Off
State of capacitor discharge relay
DISCHRG_ST
Off/DISCHARGE/Fault
State of capacitor discharge circuit
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 DC-DC converter (i-ELOOP) constantly receives the power supply voltage value of the instrument cluster sent via CAN signal from the instrument cluster.
When DTC is detected, DC-DC converter (i-ELOOP) displays power supply voltage value of instrument cluster in M-MDS.
ID_DIODE
On/Off
State of ideal diode
IG_SIG
On/Off
State of IG signal
IG-ON_TIMER
hh:mm:ss*1
Elapsed time since ignition was switched ON
Note
•  The instrument cluster records the elapsed time since the ignition was switched ON.
The DC-DC converter (i-ELOOP) constantly receives the elapsed time since the ignition was switched ON (engine off) sent via CAN signal from the instrument cluster.
When DTC is detected, DC-DC converter (i-ELOOP) displays elapsed time since ignition was switched on in M-MDS.
IN_V_0
V
Input voltage to DCDC (history 0)
IN_V_1
V
Input voltage to DCDC (history 1)
IN_V_2
V
Input voltage to DCDC (history 2)
IR_RY
Disconnect (Off)/Connect (On)/Fault (Off)/Fault (On)
State of IR relay
IR_LOAD_I
A
Output current to compensating load at IR
OUT_C_VL_0
A
Output current from DCDC to vehicle load (History 0)
OUT_C_VL_1
A
Output current from DCDC to vehicle load (History 1)
OUT_C_VL_2
A
Output current from DCDC to vehicle load (History 2)
OUT_CUR
A
Output current from DCDC
OUT_V_B_0
V
Output voltage from DCDC to battery (History 0)
OUT_V_B_1
V
Output voltage from DCDC to battery (History 1)
OUT_V_B_2
V
Output voltage from DCDC to battery (History 2)
OUT_V_VL_0
V
Output voltage from DCDC to vehicle load (History 0)
OUT_V_VL_1
V
Output voltage from DCDC to vehicle load (History 1)
OUT_V_VL_2
V
Output voltage from DCDC to vehicle load (History 2)
PRECHRG_ST
STOP/Operate
State Of Capacitor Precharge Relay
PURG_CAP
Charge Complete/DISCHARGE/Purge Failed/Pre Charge
Result of purging capacitor
PWM_IC
On/Off
State of PWM IC
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 to off
•  Key Recently Out (Position 0): Elapsed time within 3 s since ignition was switched to off
•  Accessory (Position 1): Ignition is switched to ACC
•  Post Ignition (Position 2): Elapsed time within 3 s since ignition was switched ON
•  Ignition On (Position 2): Ignition switched ON (engine off)
•  Running (Position 2): Ignition switched ON (engine on)
•  Running - Starting: Cranking condition
The DC-DC converter (i-ELOOP) constantly receives the ignition switch status sent via CAN signal from the instrument cluster.
When DTC is detected, DC-DC converter (i-ELOOP) displays ignition switch status in M-MDS.
REQ_CHG_V
V
Requested charge voltage in soak
REQ_COMP_V
V
Requested charge complete voltage in soak
REQ_OUT_V
V
Requested DCDC output voltage
REQ_START
On/Off
Request of start control
REQ_TERM
On/Off
Request of forced termination
RPM_STATUS
Engine Stop/Under1500rpm/Over1500rpm/FAIL
Engine speed status
The DC-DC converter (i-ELOOP) constantly receives the engine speed sent via CAN signal from the instrument cluster.
When DTC is detected, DC-DC converter (i-ELOOP) displays engine speed in M-MDS.
SHIFT_STATUS
P/N/D/R/FAIL
Selector lever position status
The DC-DC converter (i-ELOOP) constantly receives the selector lever position sent via CAN signal from the instrument cluster.
When DTC is detected, DC-DC converter (i-ELOOP) displays selector lever position in M-MDS.
SOFT_REV
DCDC software revision
SOFT_VER
DCDC software version
ST_ALT_REQ
On/Off
Request to stop alternator
STAT
Ready/Power Output(Idle)/Power Output(Normal)/Power Output(Limit)/Safe Mode/Power Output(Stop)/Error/Default Mode
State of DCDC
TOTAL_DIST
km
Miles
Accumulated total traveled distance from completion of vehicle until DC-DC converter (i-ELOOP) detects DTC (Odometer value in instrument cluster)
The distance traveled when the DC-DC converter (i-ELOOP) detected a DTC can be calculated by performing the following procedure.
1.  Verify the odometer value in the instrument cluster.
2.  Verify the snapshot data item TOTAL_DIST.
3.  Subtract 2 from 1.
TOTAL_TIME
hh:mm:ss*1
Accumulated total elapsed time since vehicle completion until DC-DC converter (i-ELOOP) detects a DTC
Note
•  When the ROOM fuse removed, and the ignition is switched to off, the time is not included in the elapsed time.
The elapsed time when the DC-DC converter (i-ELOOP) detected a DTC can be calculated by performing the following procedure.
1.  Verify the PID item TOTAL_TIME of the instrument cluster.
2.  Verify the snapshot data item TOTAL_TIME.
3.  Subtract 2 from 1.
VPWR
V
Power supply voltage
VSPD_STATUS
Stop/0-10km/h/Over10km/h/FAIL
Vehicle speed status
The DC-DC converter (i-ELOOP) constantly receives the vehicle speed sent via CAN signal from the instrument cluster.
When DTC is detected, DC-DC converter (i-ELOOP) displays vehicle speed in M-MDS.

*1  :The seconds may be indicated after the decimal point.