CHECK AT THE EV-ECU TERMINAL




Terminal No.
Check item
Inspection conditions
Normal conditions
1
Backup power supply input
Always
Battery voltage
2
ECU control power supply relay drive signal
Electric motor switch: ON position
Battery voltage
Electric motor switch: LOCK (OFF) position
1 V or less
3
IG switch signal
Electric motor switch: ON position
Battery voltage
4
Quick charging power supply signal
Electric motor switch: ON position
1 V or less
When quick charging is in progress
8 to 16 V
5, 6
-
-
-
7
Brake booster vacuum sensor power supply voltage
Electric motor switch: ON position
4.7 to 5.3 V
8
Accelerator pedal position sensor (sub) power supply voltage
Electric motor switch: ON position
4.9 to 5.1 V
9
ECU control power supply input
Electric motor switch: ON position
Battery voltage
Electric motor switch: LOCK (OFF) position
1 V or less
10
ECU power supply earth
Electric motor switch: ON position
1 V or less
11
On board charging start signal
Electric motor switch: LOCK (OFF) position
Battery voltage
12, 13
-
-
-
14
Diagnosis control signal
Electric motor switch: ON position
Battery voltage
15
-
-
-
16
K-LINE communication
-
-
17
ASC OFF switch signal
Set the electric motor switch to the ON position and the ASC OFF switch to OFF.
Battery voltage
Set the electric motor switch to the ON position and the ASC OFF switch to ON.
1 V or less
18
-
-
-
19
Brake electric vacuum pump main relay drive signal
Electric motor switch: ON position
1 V or less
20
Brake electric vacuum pump control relay 1 drive signal
Set the electric motor switch to the ON position and depress the brake pedal firmly several times.
Battery voltage → 1 V or less
21
Brake electric vacuum pump control relay 2 drive signal
Set the electric motor switch to the ON position and depress the brake pedal firmly several times.
Battery voltage → 1 V or less
22
Brake booster vacuum sensor power supply earth
Electric motor switch: ON position
1 V or less
23
Accelerator pedal position sensor (sub) power supply earth
Electric motor switch: ON position
1 V or less
24
ECU control power supply input
Electric motor switch: ON position
Battery voltage
Electric motor switch: LOCK (OFF) position
1 V or less
25
ECU power supply earth
Electric motor switch: ON position
1 V or less
26
Brake electric vacuum pump main relay operation check signal
Electric motor switch: ON position
Battery voltage
Electric motor switch: LOCK (OFF) position
1 V or less
27
Brake electric vacuum pump operation check signal
Set the electric motor switch to the ON position and depress the brake pedal firmly several times.
1 V or less → Battery voltage
28 - 33
-
-
-
34
Brake electric vacuum pump vacuum 1 signal
Electric motor switch: ON position
0.2 to 1.7 V
35
Accelerator pedal position sensor (sub) signal
Set the electric motor switch to the ON position and release the accelerator pedal.
0.3 to 0.7 V
Set the electric motor switch to the ON position and depress the accelerator pedal fully.
2.0 to 2.5 V


Terminal No.
Check item
Inspection conditions
Normal conditions
41
-
-
-
42
Accelerator pedal position sensor (main) power supply
Electric motor switch: ON position
4.9 to 5.1 V
43
Brake pedal stroke sensor power supply
Electric motor switch: ON position
4.9 to 5.1 V
44
Brake pedal stroke sensor signal
Set the electric motor switch to the ON position and release the brake pedal.
1.4 to 3.3 V
Set the electric motor switch to the ON position and depress the brake pedal fully.
3.4 to 4.6 V
45
Cooling fan HI relay drive signal
When the electric motor switch is set to the ON position and the radiator fan is not operated (when the coolant temperature is 52°C or less and A/C compressor switch: OFF)
Battery voltage
When the electric motor switch is set to the ON position and the radiator fan is operated (when the coolant temperature is 52°C or more, or A/C compressor switch: ON)
1 V or less
46
Cooling fan LO relay drive signal
When the electric motor switch is set to the ON position and the radiator fan is not operated (when the coolant temperature is 52°C or less and A/C compressor switch: OFF)
Battery voltage
When the electric motor switch is set to the ON position and the radiator fan is operated (when the coolant temperature is 52°C or more, or A/C compressor switch: ON)
1 V or less
47
-
-
-
48
Accelerator pedal position sensor (main) power supply earth
Electric motor switch: ON position
1 V or less
49
Brake pedal stroke sensor power supply earth
Electric motor switch: ON position
1 V or less
50
Air bag collision signal
-
-
51
Air bag collision signal earth
Electric motor switch: ON position
1 V or less
52
K-LINE communication
-
-
53
K-LINE communication
-
-
54, 55
-
-
-
56
Water pump relay drive signal
Electric motor switch: ON position
1 V or less
57
Backup lamp relay drive signal
Set the electric motor switch to the ON position and the selector lever to the R position.
1 V or less
58
-
-
-
59
Accelerator pedal position sensor (main) signal
Set the electric motor switch to the ON position and release the brake pedal.
0.8 to 1.2 V
Set the electric motor switch to the ON position and depress the brake pedal fully.
4.0 to 4.8 V
60
Parking brake lamp signal
Set the electric motor switch to the ON position and release the parking brake lever.
Battery voltage
Set the electric motor switch to the ON position and apply the parking brake lever.
1 V or less
61
Parking brake switch signal
-
-
62
Brake switch signal
Release the brake pedal.
1 V or less
Depress the brake pedal fully.
Battery voltage
63
ST switch signal
Electric motor switch: START position
Battery voltage
Electric motor switch: LOCK (OFF) position
1 V or less
64
-
-
-
65
A/C relay drive signal
Electric motor switch: ON position
1 V or less
66
On board charging relay drive signal
When the electric motor switch is set to the ON position and on board charging cable is disconnected
Battery voltage
When the electric motor switch is set to the ON position and on board charging cable is connected
1 V or less


Terminal No.
Check item
Inspection conditions
Normal conditions
71
-
-
-
72
Coolant temperature sensor signal
When the coolant temperature is -20°C with the electric motor switch set to the ON position
3.9 to 4.5 V
When the coolant temperature is 0°C with the electric motor switch set to the ON position
3.2 to 3.8 V
When the coolant temperature is 20°C with the electric motor switch set to the ON position
2.3 to 2.9 V
When the coolant temperature is 40°C with the electric motor switch set to the ON position
1.4 to 2.0 V
When the coolant temperature is 60°C with the electric motor switch set to the ON position
0.7 to 1.3 V
When the coolant temperature is 80°C with the electric motor switch set to the ON position
0.3 to 0.9 V
73
-
-
-
74
Service plug switch signal
When the electric motor switch is set to the ON position, deactivate the interlock.
1 V or less
When the electric motor switch is set to the ON position, activate the interlock.
Battery voltage
75
-
-
-
76
K-LINE signal
-
-
77, 78
-
-
-
79
Coolant temperature sensor signal earth
Electric motor switch: ON position
1 V or less
80, 81
-
-
-
82
Shift position B2-range signal (main)
Set the electric motor switch to the ON position and the selector lever to the C position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the C position.
1 V or less
83
Shift position B1-range signal (main)
Set the electric motor switch to the ON position and the selector lever to the B-position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the B-position.
1 V or less
84
Shift position D-range signal (main)
Set the electric motor switch to the ON position and the selector lever to the D position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the D position.
1 V or less
85
Shift position N-range signal (main)
Set the electric motor switch to the ON position and the selector lever to the N position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the N position.
1 V or less
86
Shift position R-range signal (main)
Set the electric motor switch to the ON position and the selector lever to the R position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the R position.
1 V or less
87
Shift position P-range signal (main)
Set the electric motor switch to the ON position and the selector lever to the P position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the P position.
1 V or less
88
Shift position switch (main) power supply
Electric motor switch: ON position
Battery voltage
89
Shift position switch (sub) power supply
Electric motor switch: ON position
Battery voltage
90 - 92
-
-
-
93
Shift position D range signal (sub)
Set the electric motor switch to the ON position and the selector lever to the D position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the D position.
1 V or less
94
Shift position N range signal (sub)
Set the electric motor switch to the ON position and the selector lever to the N position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the N position.
1 V or less
95
Shift position R range signal (sub)
Set the electric motor switch to the ON position and the selector lever to the R position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the R position.
1 V or less
96
Shift position P range signal (sub)
Set the electric motor switch to the ON position and the selector lever to the P position.
Battery voltage
Set the electric motor switch to the ON position and the selector lever to a position other than the P position.
1 V or less
97, 98
-
-
-


Terminal No.
Check item
Inspection conditions
Normal conditions
101, 102
-
-
-
103
On board battery charging connection signal
When the electric motor switch is set to the ON position and on board charging cable is not connected
4.2 to 4.8 V
When the electric motor switch is set to the ON position, the release button is set to ON with the on board charging cable connected
2.4 to 3.2 V
When the electric motor switch is set to the ON position, the release button is set to OFF with the on board charging cable connected
1.2 to 2.0 V
104
Quick charging connection signal
When the electric motor switch is set to the ON position and on board charging cable is not connected
Battery voltage
When the electric motor switch is set to the ON position and on board charging cable is connected
1 V or less
105
Charging contactor drive signal
Electric motor switch: ON → START position
Battery voltage (intermittently) → 1 V or less
106
Main contactor (-) drive signal
Electric motor switch: ON (before electric motor unit start)
Battery voltage
Electric motor switch: ON → START position (after electric motor unit start)
1 V or less
107
Main contactor (+) signal
Electric motor switch: ON (before electric motor unit start)
Battery voltage
Electric motor switch: ON → START position (after electric motor unit start)
1 V or less
108
On board battery charging connection earth
Electric motor switch: ON position
1 V or less
109, 110
-
-
-
111
Quick charging approval signal
When quick charging is in progress
10 to 16 V
112
Quick charger relay drive signal
Electric motor switch: ON position
Battery voltage
When quick charging is in progress
1 V or less
113
Water pump relay drive signal
Electric motor switch: ON (before electric motor unit start)
1 V or less
Electric motor switch: ON → START position (after electric motor unit start, coolant temperature is 45°C or more)
Battery voltage
114, 115
-
-
-
116
12 V DCDC converter shutdown signal
Electric motor switch: ON → START position (after electric motor unit start)
Battery voltage
117
Inverter shutdown signal
Electric motor switch: ON → START position (after electric motor unit start)
Battery voltage
118, 119
-
-
-
120
Contactor power supply input
Electric motor switch: ON position
Battery voltage
121 - 123
-
-
-
124
Quick charging start signal
Electric motor switch: ON position
Battery voltage
When quick charging is in progress
1 V or less
125
Water pump rotation signal
Electric motor switch: ON → START position (after electric motor unit start, coolant temperature is 45°C or more)
Pulse signal
126
-
-
-
127
12-V converter drive signal
Electric motor switch: ON (before electric motor unit start)
1 V or less
Electric motor switch: ON → START position (after electric motor unit start)
Battery voltage
128 - 130
-
-
-





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