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Physical Values

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Specification data are reference values.
VCM CONNECTOR TERMINALS DESCRIPTION CHART

Terminal No. (Wire color) Description Condition Value (Approx.)
+ - Signal name Input/Output
1 Ground Ignition relay power supply Input Power switch: ON 12V BATTERY VOLTAGE (12 - 15 V)
4 - VCM ground - - -
5 Ground A/C relay Output Power switch: ON 0 V (Approx.)
A few seconds after turning power switch OFF 11 - 14 V
6 Ground Battery power supply Input Always 12V BATTERY VOLTAGE (11 - 14 V)
7 Ground SSOFF relay Output Power switch: ON 0 V
More than 20 seconds after turning power OFF. 12V BATTERY VOLTAGE (11 - 14 V)
8 - VCM ground - - -
9 - EV system CAN-H Input/Output - -
13 - EV system CAN-L Input/Output - -
15 Ground ASCD brake switch Input
  • Power switch: ON
  • Brake pedal: depress
 0 V
  • Power switch: ON
  • Brake pedal: Fully released
 12V BATTERY VOLTAGE (11 - 14 V)
18 Ground Stop lamp switch Input
  • Power switch: ON
  • Brake pedal: depress
 12V BATTERY VOLTAGE (11 - 14 V)
  • Power switch: ON
  • Brake pedal: Fully released
 0 V
21 Ground Power ON power supply Input Power switch: ON 12V BATTERY VOLTAGE (11 - 14 V)
23 Ground High voltage connector interlock Input When all the high voltage connectors are connected 12V BATTERY VOLTAGE (11 - 14 V)
When one of the high voltage connectors is disconnected 0 V
25 - CAN-H Input/Output - -
26 4 Water pump 2 signal Input
  • Power switch ON
  • Pump operation duty: 0%
G07084064Courtesy of NISSAN MOTOR CO., U.S.A.
  • Power switch ON
  • Pump operation duty: Approx. 70%
G07084065Courtesy of NISSAN MOTOR CO., U.S.A.
28 4 Water pump 1 signal Input
  • Power switch ON
  • Pump operation duty: 0%
G07084066Courtesy of NISSAN MOTOR CO., U.S.A.
  • Power switch ON
  • Pump operation duty: Approx. 70%
G07084067Courtesy of NISSAN MOTOR CO., U.S.A.
29 - CAN-L Input/Output - -
33 4 Sensor power supply (Refrigerant pressure sensor) Output Power switch: ON 5 V
34 35 Refrigerant pressure sensor Input A/C compressor operating. 1.0 - 4.0 V
35 - Sensor ground (Refrigerant pressure sensor) - - -
37 39 Sensor power supply (Accelerator pedal position sensor 1) Output Power switch: ON 5 V (Approx.)
38 39 Accelerator pedal position sensor 1 Input
  • Power switch: ON
  • Accelerator pedal: Fully released
 0.45 - 1.0 V
  • Power switch: ON
  • Accelerator pedal: Fully depressed
 4.4 - 4.8 V
39 - Sensor ground (Accelerator pedal position sensor 1) - - -
40 - Shield - - -
41 43 Sensor power supply (Battery current sensor) Output Power switch: ON 5 V (Approx.)
42 43 Battery current sensor Input
  • READY
  • 12V battery is fully charged
 2.6 - 3.5 V
43 - Sensor ground (Battery current sensor) - - -
45 47 Sensor power supply (Accelerator pedal position sensor 2) Output Power switch: ON 5 V (Approx.)
46 47 Accelerator pedal position sensor 2 Input
  • Power switch: ON
  • Accelerator pedal: Fully released
 0.22 - 0.5 V
  • Power switch: ON
  • Accelerator pedal: Fully depressed
 2.1 - 2.5 V
47 - Sensor ground (Accelerator pedal position sensor 2) - - -
48 - Shield - - -
50 43 Battery temperature sensor Input READY 0 - 4.8 V Output voltage varies with motor room air temperature.
51 52 Coolant temperature sensor Input READY 0 - 4.8 V Output voltage varies with coolant temperature.
52 - Sensor ground (Coolant temperature sensor) - - -
57 4 Power voltage variable control signal Output DC/DC converter output power: 13 V
G07084068Courtesy of NISSAN MOTOR CO., U.S.A.
DC/DC converter output power: 15 V
G07084069Courtesy of NISSAN MOTOR CO., U.S.A.
59 4 Cooling fan control signal Output Fan duty: 40%
G07084070Courtesy of NISSAN MOTOR CO., U.S.A.
Fan duty: 100%
G07084071Courtesy of NISSAN MOTOR CO., U.S.A.
62 4 Water pump 1 signal Input Pump operation duty: 0%
G07084072Courtesy of NISSAN MOTOR CO., U.S.A.
Pump operation duty: Approx. 70%
G07084073Courtesy of NISSAN MOTOR CO., U.S.A.
64 4 Water pump 2 signal Input Pump operation duty: 0%
G07084074Courtesy of NISSAN MOTOR CO., U.S.A.
Pump operation duty: Approx. 70%
G07084075Courtesy of NISSAN MOTOR CO., U.S.A.
67 4 DC/DC converter temperature signal Input DC/DC converter temperature: High
G07084076Courtesy of NISSAN MOTOR CO., U.S.A.
DC/DC converter temperature: Low
G07084077Courtesy of NISSAN MOTOR CO., U.S.A.
70 4 DC/DC converter activation signal Output
  • READY
  • DC/DC converter is operating normally
 5 V (Approx.)
  • READY
  • When VCM has detected an error in the DC/DC converter
 3 V (Approx.)
Power switch: ON Less than 1 V
73 Ground F/S relay Output Power switch: OFF 12V BATTERY VOLTAGE (11 - 14 V)
READY 0 V (Approx.)
75 Ground F/S CHG relay Output During quick charge 0 V (Approx.)
Except above 12V BATTERY VOLTAGE (11 - 14 V)
77 Ground F/S relay power supply Input Power switch: OFF 0 V
READY 12V BATTERY VOLTAGE (11 - 14 V)
78 Ground M/C relay Output Power switch: OFF 12V BATTERY VOLTAGE (11 - 14 V)
Power switch: ON 0 V (Approx.)
80 Ground Reverse lamp relay Output
  • Power ON
  • Selector lever: R range
 0 V (Approx.)
  • Power ON
  • Selector lever: Except R range
 12V BATTERY VOLTAGE (11 - 14 V)
81 - K-Line - - -
84 4 EV system activation request signal Input Power switch: OFF ON
NOTE: When turn power switch OFF to ON, TCU sends the voltage signal to check the system for approximately 1 second.
G07084078Courtesy of NISSAN MOTOR CO., U.S.A.
85 Ground Charging status indicator 2 Output Charging status indicator 2: ON 0 V (Approx.)
Charging status indicator 2: OFF 12V BATTERY VOLTAGE (11 - 14 V)
86 Ground Charging status indicator 1 Output Charging status indicator 1: ON 0 V (Approx.)
Charging status indicator 1: OFF 12V BATTERY VOLTAGE (11 - 14 V)
87 Ground Plug in indicator lamp Output Plug in indicator lamp: ON 0 V (Approx.)
Plug in indicator lamp: OFF 12V BATTERY VOLTAGE (11 - 14 V)
88 4 VSP control signal Output EVSE is connected.
G07084079Courtesy of NISSAN MOTOR CO., U.S.A.
Charge start
G07084080Courtesy of NISSAN MOTOR CO., U.S.A.
89 Ground Immediate charging switch Input Immediate charging switch: Pressed 12V BATTERY VOLTAGE (11 - 14 V)
Immediate charging switch: Released 0 V
90 Ground READY signal Input
  • Power switch: ON
  • Selector lever: P or N
  • Brake pedal: Depressed
 12V BATTERY VOLTAGE (11 - 14 V)
  • Power switch: ON
  • Selector lever: P or N
  • Brake pedal: Fully released
 0 V (Approx.)
91 Ground Electric shift warning lamp Output Immediately after the power OFF READY operation 0 V (Approx.)
Except above (Power ON or READY) 12 V
92 Ground Charging status indicator 3 Output Charging status indicator 3: ON 0 V (Approx.)
Charging status indicator 3: OFF 12V BATTERY VOLTAGE (11 - 14 V)
96 4 EV system activation request signal Input Power switch: OFF ON
NOTE: When turn power switch OFF to ON, the on-board charger sends the voltage signal to check the system for approximately 1 second.
G07084081Courtesy of NISSAN MOTOR CO., U.S.A.
104 4 ASCD steering switch Input
  • Power ON
  • ASCD steering switch: All OFF
 4 V (Approx.)
  • Power ON
  • RESUME/ACCELERATE switch: Pressed
 3 V (Approx.)
  • Power ON
  • SET/COAST switch: Pressed
 2 V (Approx.)
  • Power ON
  • CANCEL switch: Pressed
 1 V (Approx.)
  • Power ON
  • ASCD main switch: Pressed
 0 V (Approx.)
105 4 Pre-charge relay Output Immediately after the power OFF READY operation 12V BATTERY VOLTAGE(1) (11 - 14 V)
Except above 0 V
107 4 System main relay 1 Output During READY or during charging 12V BATTERY VOLTAGE (11 - 14 V)
Except above 0 V
108 - ASCD steering switch ground - - -
110 4 System main relay 2 Output During READY or during charging 12V BATTERY VOLTAGE (11 - 14 V)
Except above 0 V
111 - VCM ground - - -
112 - VCM ground - - -
(1) This signal can be confirmed with oscilloscope.
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