MSB is released for this page as follows:
Release DateSubjectMSB No.
2011-09-20i-MiEV TECHNICAL INFORMATION MANUAL AND WORKSHOP MANUALMSB-11E00-506A
2013-03-05EV-ECU TROUBLESHOOTING SERVICE DATAMSB-13EXML54-501

SERVICE DATA REFERENCE TABLE



DATA LIST


note VP: Indicates the brake vacuum pressure system.
Item No.
M.U.T.-III display
Inspection conditions
Normal conditions
1
Power switch signal
When the electric motor switch is in the ON position
ON
Other than above
OFF
2
Power switch (ST) signal
When the electric motor switch is in the START position
ON
Other than above
OFF
3
Brake SW
When the brake pedal is being depressed (Stop lamp switch: ON)
ON
Other than above
OFF
4
Parking brake switch
When the parking brake lever is pulled up (Parking brake switch: ON)
ON
Other than above
OFF
5
12 V DC/DC F/B signal

  • When the Ready indicator is lit
  • When the charging indicator is lit

ON
Other than above
OFF
6
Interlock switch
When the service plug is removed
OFF
When the service plug is installed
ON
7
Radiator fan 1 relay diagnosis (cooling fan LO relay)
When the radiator fan relay is operating at low speed
ON
Other than above
OFF
8
Radiator fan 2 relay diagnosis (cooling fan HI relay)
When the radiator fan relay is operating at high speed
ON
Other than above
OFF
9
Charging contactor (diagnosis)

  • Immediately before the Ready indicator is lit
  • Immediately before the charging indicator is lit

ON
Other than above
OFF
10
Main contactor [+] (diagnosis)

  • When the Ready indicator is lit
  • When the charging indicator is lit

ON
Other than above
OFF
11
Main contactor [-] (diagnosis)

  • When the Ready indicator is lit
  • When the charging indicator is lit

ON
Other than above
OFF
12
On board charger power supply relay (diagnosis)

  • When the M.U.T.-III is connected
  • When charging by the on board charger is in progress (When the on board transformer is operating)

ON
Other than above
OFF
13
A/C power supply relay (diagnosis)

  • 10 seconds after the electric motor switch is set to the ON position
  • When the electric motor switch is in the START position

ON
Other than above
OFF
14
Back lamp relay (diagnosis)
When the selector lever is in the position other than the R position
OFF
When the selector lever is in the R position
ON
15
Diagnosis control terminal connection
When the M.U.T.-III is not connected
OFF
When the M.U.T.-III is connected
ON
16
TCL OFF switch
When the ASC OFF switch is set to OFF
OFF
When the ASC OFF switch is set to ON
ON
17
Quick charger connection flag
When quick charging is not in progress
OFF
When quick charging is in progress
ON
18
Quick charger ready signal
When quick charging is not in progress
OFF
When quick charging is in progress
ON
19
Quick charging start signal
When quick charging is not in progress
OFF
When quick charging is in progress
ON
20
On board charging start signal
When charging by the on board charger is not in progress (When the on board transformer is not operating)
OFF
When charging by the on board charger is in progress (When the on board transformer is operating)
ON
22
Timer charging flag
Always
ON
23
Timed air conditioning flag
Always
OFF
24
Timer presetting flag
Always
ON
25
Shift position sw P
When the selector lever is in the position other than the P position
OFF
When the selector lever is in the P position
ON
26
Shift position sw R
When the selector lever is in the position other than the R position
OFF
When the selector lever is in the R position
ON
27
Shift position sw N
When the selector lever is in the position other than the N position
OFF
When the selector lever is in the N position
ON
28
Shift position sw D
When the selector lever is in the position other than the D position
OFF
When the selector lever is in the D position
ON
29
Shift position sw E (JPN)/ B (EU)
When the selector lever is in the position other than the B position
OFF
When the selector lever is in the B position
ON
30
Shift position sw B (JPN)/ C (EU)
When the selector lever is in the position other than the C position
OFF
When the selector lever is in the C position
ON
31
Inhibitor sw P
When the selector lever is in the position other than the P position
OFF
When the selector lever is in the P position
ON
32
Inhibitor sw R
When the selector lever is in the position other than the R position
OFF
When the selector lever is in the R position
ON
33
Inhibitor sw N
When the selector lever is in the position other than the N position
OFF
When the selector lever is in the N position
ON
34
Inhibitor sw D
When the selector lever is in the position other than the D position
OFF
When the selector lever is in the D position
ON
35
Inhibitor sw E (JPN)/ B (EU)
When the selector lever is in the position other than the B position
OFF
When the selector lever is in the B position
ON
36
Inhibitor sw B (JPN)/ C (EU)
When the selector lever is in the position other than the C position
OFF
When the selector lever is in the C position
ON
37
Air bag collision signal
When the air bag is not deployed
OFF
When the air bag is deployed
ON
50
IGCT control power supply relay
Always
ON
51
Charging contactor output (diagnosis)

  • Immediately before the Ready indicator is lit
  • Immediately before the charging indicator is lit

ON
Other than above
OFF
52
Main contactor (+)

  • When the Ready indicator is lit
  • When the charging indicator is lit

ON
Other than above
OFF
53
Main contactor (-)

  • When the Ready indicator is lit
  • When the charging indicator is lit

ON
Other than above
OFF
54
Motor inverter shutdown
When the selector lever is in the R, D, B, or C position while the Ready indicator is lit
ON
Other than above
OFF
55
12 V DC/DC CONV shutdown

  • When the Ready indicator is lit
  • When the charging indicator is lit

ON
Other than above
OFF
56
Radiator fan 1 relay (cooling fan LO relay)
When the radiator fan relay is operating at low speed or high speed
ON
Other than above
OFF
57
Radiator fan 2 relay (cooling fan HI relay)
When the radiator fan relay is operating at high speed
ON
Other than above
OFF
58
Water pump relay
When the water pump is operating
ON
Other than above
OFF
59
On board charger power supply relay

  • When the M.U.T.-III is connected
  • When charging by the on board charger is in progress (When the on board transformer is operating)

ON
Other than above
OFF
60
A/C relay

  • 10 seconds after the electric motor switch is set to the ON position
  • When the electric motor switch is in the START position

ON
Other than above
OFF
61
Back-lamp relay
When the selector lever is in the position other than the R position
OFF
When the selector lever is in the R position
ON
62
Quick charging contactor
When quick charging is not in progress
OFF
When quick charging is in progress
ON
63
Vacuum P fail-safe relay (brake electric vacuum pump main relay)
When the electric motor switch is in the ON position
ON
64
Vacuum pump relay 1 (Brake electric vacuum pump control relay 1)

  • When the electric motor switch is in the ON position
  • When the brake electric vacuum pump is operating

ON
65
Vacuum pump relay 2 (Brake electric vacuum pump control relay 2)

  • When the electric motor switch is in the ON position
  • When the brake electric vacuum pump is operating

ON
66
Quick charging approval signal
When quick charging is not in progress
OFF
When quick charging is in progress
ON
75
Accelerator sensor 1 power supply voltage
-
4.9 V - 5.1 V
76
Accelerator sensor 2 power supply voltage
-
4.9 V - 5.1 V
78
Accelerator sensor 1 voltage
When the accelerator pedal is released
0.8 V - 1.2 V
When the pedal is depressed
Increases in response to the depression amount.
Fully open
4.0 V - 4.8 V
79
Accelerator sensor 2 voltage
When the accelerator pedal is released
0.8 V - 1.2 V
When the pedal is depressed
Increases in response to the depression amount.
Fully open
4.0 V - 4.8 V
81
Vacuum pump vacuum pressure sensor voltage (brake electric vacuum pump power supply voltage)
-
4.74 V - 5.00 V
82
Coolant temperature sensor voltage
When the coolant temperature is 100°C
0.5 V or less
When the coolant temperature is -30°C
4.2 V or more
83
Control power supply pressure (partial pressure of control power supply value by 8/16)
When the voltage of the auxiliary battery is 8 V
2.14 V or more
When the voltage of the auxiliary battery is 16 V
4.28 V or less
84
Vacuum pump relay 2 voltage (partial pressure of brake electric vacuum pump control relay 2 voltage by 8/16)
When the voltage of the auxiliary battery is 8 V
2.14 V or more
When the voltage of the auxiliary battery is 16 V
4.28 V or less
85
B/P stroke sensor voltage
When the accelerator pedal is released
2 V - 3 V
When the pedal is depressed
MAX 4.4 V
86
B/P stroke sensor power supply
-
About 5 V
87
Brake sensor stroke value
When the pedal is depressed
MAX 40 mm
100
Control power supply voltage
-
8.0 V - 16.0 V
127
Accelerator opening angle (for control)
When the pedal is not depressed
1.00 V or more
When pedal is depressed
4.65 V or less
128
Vehicle speed
When the vehicle is driven at the speed of 40 km/h
approximately. 40 km/h
142
Charging contactor seizure flag
When the charging contactor is not seized
OFF
When the charging contactor is seized
ON
143
Contactor (+) seizure flag
When the main contactor (+) is not seized
OFF
When the main contactor (+) is seized
ON
144
Contactor (-) seizure flag
When the main contactor (-) is not seized
OFF
When the main contactor (-) is seized
ON
190
B/P stroke sensor installation
Not checked or improperly installed
NG
Properly installed
OK
204
Coolant temperature
When the coolant temperature is -20°C
- 20 °C
When the coolant temperature is 0°C
0 °C
When the coolant temperature is 20°C
20 °C
When the coolant temperature is 40°C
40 °C
When the coolant temperature is 80°C
80 °C
205
WP rotation
When stopped
0 r/min
Being operated
1,000 to 5,000 r/min
206
On board battery charging connection signal voltage
When the regular charging connection is not connected
4.24 V - 4.65 V
When the regular charging connection is connected and the release button is ON
1.25 V - 1.91 V
When the regular charging connection is connected and the release button is OFF (while on board charging)
2.42 V - 3.10 V
207
On board battery charging connection signal
When the regular charging connection is not connected
Not available
When the regular charging connection is connected and the release button is ON
Release ON
When the regular charging connection is connected and the release button is OFF (while on board charging)
Release OFF
251
VP: Fail-safe relay contact point state (brake electric vacuum pump main relay)
When the electric motor switch is set to the ON position
ON
252
VP: Control relay 1 state (brake electric vacuum pump control relay 1)
When the brake electric vacuum pump is operating with the electric motor switch set to the ON position
ON
Other than above
OFF
253
VP: Control relay 2 state (brake electric vacuum pump control relay 2)
When the brake electric vacuum pump is operating with the electric motor switch set to the ON position
ON
Other than above
OFF
254
VP: Motor drive state
When the brake electric vacuum pump is operating with the electric motor switch set to the ON position
ON
Other than above
OFF
255
VP: Buzzer drive state
When the brake warning buzzer is operating with the electric motor switch set to the ON position
ON
Other than above
OFF
256
VP: Brake warning indicator drive state
When the brake warning indicator is operating with the electric motor switch set to the ON position
ON
Other than above
OFF
259
VP: Vehicle speed
When the vehicle is driven at the speed of 40 km/h
approximately. 40 km/h

DATA LIST (MONITOR ITEM)


In this monitor item, the helpful items are set in order to comprehend the EV-ECU control situation. However, the values vary widely according to the minor differences of the measurement condition, the environmental differences, vehicle aging, or other factors, and offering the precise normal value is difficult. Therefore, only the check conditions, the display range, and the numerical change shall be listed.
note VP: Indicates the brake vacuum pressure system.
Item No.
M.U.T.-III display
Item explanation
Inspection conditions
Display range
90
Operation mode
Displays the EV-ECU control mode (1 to 6).

  1. Electric motor switch OFF mode (immediately before the power supply OFF)
  2. Reset mode (at the power supply ON)
  3. High voltage start mode (during the transition from reset mode to driving mode or charging mode)
  4. Driving mode (Ready indicator is lit)
  5. High voltage complete mode (Ready indicator is lit or charging lamp is OFF)
  6. Charging mode (charging lamp is lit)
-
Displays the present control mode.
126
Motor speed
Displays the motor (electric motor unit) speed.
-
-10000 to 10000 r/min
182
Quick charging function result flag
Carries out quick charging for 30 seconds.
-
Displays ON when quick charging function is normal, and displays OFF when abnormal.
183
On board charging function result flag
Carries out on board charging for 30 seconds.
-
Displays ON when on board charging function is normal, and displays OFF when abnormal.
201
Battery total voltage
Displays total voltage of the main battery.
-
0 V - 430 V
202
Condenser voltage
Displays the voltage of smooth condenser in the MCU.
-
0 V - 420 V
203
Shift position (for control)
Displays the selector lever position (1 to 6).

  1. P
  2. R
  3. N
  4. D
  5. B
  6. C
-
Displays the present selector lever position.
250
VP: Vacuum sensor value
Displays the output voltage of brake booster vacuum sensor.
When the brake electric vacuum pump is stopped
0.2 V - 1.7 V
When the vacuum is applied
The vacuum value decreases as the degree of vacuum increases.





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