Nissan Leaf. Manual — part 494

SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Li-ion Battery

INFOID:0000000010121191

Items

Specification

Type

Li-ion battery

Structure

48 modules (192 cells)

Rated voltage

(V)

Approx. 360

Battery capacity

(kWh)

Approx. 24

Weight

[kg (lb)]

Approx. 275 (606)

External dimension

“a”

[mm (in)] 1188 (46.77)

“b”

[mm (in)] 1007 (39.65)

“c”

[mm (in)] 264 (10.39)

“d”

[mm (in)] 1547 (60.90)

JSCIA0644ZZ

EVC-1

ELECTRIC POWER TRAIN

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SECTION

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CONTENTS

EV CONTROL SYSTEM

PRECAUTION . . . . . . . . . . . ...

8

PRECAUTIONS . . . . . . . . . . . . ...

8

Precaution for Technicians Using Medical Electric

. ..

8

Point to Be Checked Before Starting Maintenance
Work . . . . . . . . . . . . . . . . . . ..

8

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . ...

8

Precaution for Procedure without Cowl Top Cover . ..

9

Precautions for Removing Battery Terminal . . .....

9

High Voltage Precautions . . . . . . . . . .

10

General Precautions . . . . . . . . . . . ...

11

PREPARATION . . . . . . . . . . ...

14

PREPARATION . . . . . . . . . . . . ..

14

Commercial Service Tools . . . . . . . . . ..

14

SYSTEM DESCRIPTION . . . . . . . .

15

COMPONENT PARTS . . . . . . . . . ...

15

Component Parts Location . . . . . . . . . ..

15

VCM . . . . . . . . . . . . . . . . . .

18

M/C Relay . . . . . . . . . . . . . . . ...

18

F/S Relay . . . . . . . . . . . . . . . .

18

F/S CHG Relay . . . . . . . . . . . . . ...

18

Charge Port Lid Opener Actuator Relay . . . . .

18

Charge Connector Lock Relay . . . . . . . .

18

A/C Relay . . . . . . . . . . . . . . . .

19

System Main Relay 1 . . . . . . . . . . . ..

19

System Main Relay 2 . . . . . . . . . . . ..

19

Pre-charge Relay . . . . . . . . . . . . .

19

Reverse Lamp Relay . . . . . . . . . . . ...

19

Accelerator Pedal Position Sensor . . . . . . ..

19

Refrigerant Pressure Sensor . . . . . . . . ...

19

Stop Lamp Switch . . . . . . . . . . . . ...

20

ASCD Steering Switch . . . . . . . . . . .

20

Brake Pedal Position Switch . . . . . . . . ...

20

Battery Current Sensor (With Battery Tempera-
ture Sensor) . . . . . . . . . . . . . . .

20

Coolant Temperature Sensor . . . . . . . . ..

21

Electric Water Pump . . . . . . . . . . . .

21

Cooling Fan Control Module . . . . . . . . .

22

Combination Meter . . . . . . . . . . . . ..

22

ECO Indicator . . . . . . . . . . . . . . ..

23

Approaching Vehicle Sound for Pedestrians
(VSP) . . . . . . . . . . . . . . . . . ...

23

WARNING LAMPS/INDICATOR LAMPS . . . . ..

23

WARNING LAMPS/INDICATOR LAMPS : EV
System Warning Lamp . . . . . . . . . . .

23

WARNING LAMPS/INDICATOR LAMPS : Low
Battery Charge Warning Lamp . . . . . . . .

25

WARNING LAMPS/INDICATOR LAMPS : Plug In
Indicator Lamp . . . . . . . . . . . . . . .

26

WARNING LAMPS/INDICATOR LAMPS : Power
Limitation Indicator Lamp . . . . . . . . . .

28

WARNING LAMPS/INDICATOR LAMPS : Ready
To Drive Indicator Lamp . . . . . . . . . . ..

29

WARNING LAMPS/INDICATOR LAMPS : 12V
Battery Charge Warning Lamp . . . . . . . .

31

WARNING/INDICATOR (ON INFORMATION DIS-
PLAY) . . . . . . . . . . . . . . . . . . .

32

WARNING/INDICATOR (ON INFORMATION
DISPLAY) : DC/DC Converter Warning . . . . ...

32

WARNING/INDICATOR (ON INFORMATION
DISPLAY) : Low Battery Charge Warning . . . ...

34

WARNING/INDICATOR (ON INFORMATION
DISPLAY) : Power Limitation Warning . . . . .

35

WARNING/INDICATOR (ON INFORMATION
DISPLAY) : Shift P Warning . . . . . . . . .

36

WARNING CHIME . . . . . . . . . . . . . .

37

WARNING CHIME : DC/DC Converter Warning
Chime . . . . . . . . . . . . . . . . . ..

37

WARNING CHIME : Power Switch Reminder
Chime . . . . . . . . . . . . . . . . . ..

39

WARNING CHIME : Shift P Warning Chime . . ...

39

SYSTEM . . . . . . . . . . . . . . .

41

EVC-2

ELECTRIC POWER TRAIN SYSTEM . . . . . ..

41

ELECTRIC POWER TRAIN SYSTEM : System
Description . . . . . . . . . . . . . . . ..

41

ELECTRIC POWER TRAIN SYSTEM : Fail-Safe ...

41

EV SYSTEM START UP CONTROL . . . . . ....

44

EV SYSTEM START UP CONTROL : System De-
scription . . . . . . . . . . . . . . . . ..

44

HIGH VOLTAGE POWER SUPPLY CONTROL . ...

46

HIGH VOLTAGE POWER SUPPLY CONTROL :
System Description . . . . . . . . . . . . .

47

MOTOR POWER CONTROL . . . . . . . . ....

48

MOTOR POWER CONTROL : System Descrip-
tion . . . . . . . . . . . . . . . . . . ..

48

MOTOR REGENERATION CONTROL . . . . . .

49

MOTOR REGENERATION CONTROL : System
Description . . . . . . . . . . . . . . . ..

49

ECO MODE/B MODE SYSTEM . . . . . . . ....

50

ECO MODE/B MODE SYSTEM : System Descrip-
tion . . . . . . . . . . . . . . . . . . ..

50

LI-ION BATTERY CHARGE CONTROL . . . . ...

51

LI-ION BATTERY CHARGE CONTROL : System
Description . . . . . . . . . . . . . . . ..

51

LI-ION BATTERY CHARGE CONTROL : Normal
Charge Control . . . . . . . . . . . . . ...

51

LI-ION BATTERY CHARGE CONTROL : Quick
Charge Control . . . . . . . . . . . . . ...

53

HIGH VOLTAGE SYSTEM COOLING CONTROL ...

53

HIGH VOLTAGE SYSTEM COOLING CONTROL
: System Description . . . . . . . . . . . ...

53

AIR CONDITIONER CONTROL . . . . . . . ....

56

AIR CONDITIONER CONTROL : System De-
scription . . . . . . . . . . . . . . . . ..

56

POWER VOLTAGE VARIABLE CONTROL SYS-
TEM . . . . . . . . . . . . . . . . . . ...

58

POWER VOLTAGE VARIABLE CONTROL SYS-
TEM : System Description . . . . . . . . . ..

58

AUTOMATIC 12V BATTERY CHARGE CONTROL

...

58

AUTOMATIC 12V BATTERY CHARGE CON-
TROL : System Description . . . . . . . . ....

59

POWER CUT OFF CONTROL . . . . . . . . ..

60

POWER CUT OFF CONTROL : System Descrip-
tion . . . . . . . . . . . . . . . . . . ..

60

CHARGE PORT CONTROL . . . . . . . . . .

61

CHARGE PORT CONTROL : System Description ...

61

AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...

63

AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description . . . . . . . . . ...

64

ECO INDICATOR CONTROL . . . . . . . . ...

64

ECO INDICATOR CONTROL : System Descrip-
tion . . . . . . . . . . . . . . . . . . ..

65

WARNING/INDICATOR/CHIME LIST . . . . . ...

65

WARNING/INDICATOR/CHIME LIST : Warning
lamps/Indicator lamps . . . . . . . . . . . .

65

WARNING/INDICATOR/CHIME LIST : Warning
Chime . . . . . . . . . . . . . . . . . ..

66

WARNING/INDICATOR/CHIME LIST : Warning/
Indicator (On Information Display) . . . . . . ..

66

WARNING/INDICATOR/CHIME LIST : Indicator/
Information . . . . . . . . . . . . . . . ..

66

CAN COMMUNICATION . . . . . . . . . . ...

68

CAN COMMUNICATION : System Description . ..

68

OPERATION . . . . . . . . . . . . . ..

69

AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...

69

AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : Switch Name and Function . . . . . . .

69

ECO MODE SWITCH . . . . . . . . . . . .

69

ECO MODE SWITCH : Switch Name and Func-
tion . . . . . . . . . . . . . . . . . . ..

69

ON BOARD DIAGNOSTIC (OBD) SYSTEM . .

70

Diagnosis Description . . . . . . . . . . . .

70

Counter System . . . . . . . . . . . . . ..

70

DTC and Freeze Frame Data . . . . . . . . .

70

DIAGNOSIS SYSTEM (VCM) . . . . . . .

72

CONSULT Function . . . . . . . . . . . .

72

ECU DIAGNOSIS INFORMATION . . . .

84

VCM . . . . . . . . . . . . . . . . ...

84

Reference Value . . . . . . . . . . . . . .

84

Fail-Safe . . . . . . . . . . . . . . . . ..

97

DTC Inspection Priority Chart . . . . . . . ...

100

DTC Index . . . . . . . . . . . . . . .

102

WIRING DIAGRAM . . . . . . . . ...

106

VCM . . . . . . . . . . . . . . . . ..

106

Wiring Diagram . . . . . . . . . . . . . .

106

BASIC INSPECTION . . . . . . . . .

125

DIAGNOSIS AND REPAIR WORK FLOW . ...

125

Work Flow . . . . . . . . . . . . . . . .

125

Diagnostic Work Sheet . . . . . . . . . . .

128

ADDITIONAL SERVICE WHEN REMOVING
12V BATTERY NEGATIVE TERMINAL . . ...

130

Description . . . . . . . . . . . . . . .

130

Work Procedure . . . . . . . . . . . . .

130

ADDITIONAL SERVICE WHEN REPLACING
VCM . . . . . . . . . . . . . . . . ..

131

Description . . . . . . . . . . . . . . .

131

Work Procedure . . . . . . . . . . . . .

131

EVC-3

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ACCELERATOR PEDAL RELEASED POSI-
TION LEARNING . . . . . . . . . . . ..

133

Description . . . . . . . . . . . . . . .

133

Work Procedure . . . . . . . . . . . . .

133

LI-ION BATTERY GRADUAL CAPACITY
LOSS DATA CLEAR . . . . . . . . . .

134

Description . . . . . . . . . . . . . . .

134

Work Procedure . . . . . . . . . . . . .

134

LI-ION BATTERY JUNCTION BOX DATA
CLEAR . . . . . . . . . . . . . . . ..

135

Description . . . . . . . . . . . . . . .

135

Work Procedure . . . . . . . . . . . . .

135

WRITE VEHICLE IDENTIFICATION NUMBER
DATA . . . . . . . . . . . . . . . .

136

Description . . . . . . . . . . . . . . .

136

Work Procedure . . . . . . . . . . . . .

136

LOAD BATTERY IDENTIFICATION DATA . .

137

Description . . . . . . . . . . . . . . .

137

Work Procedure . . . . . . . . . . . . .

137

DTC/CIRCUIT DIAGNOSIS . . . . . ...

138

POWER SUPPLY AND GROUND CIRCUIT .

138

VCM . . . . . . . . . . . . . . . . . . .

138

VCM : Diagnosis Procedure . . . . . . . . ..

138

U1000 CAN COMM CIRCUIT . . . . . . ...

141

Description . . . . . . . . . . . . . . .

141

DTC Logic . . . . . . . . . . . . . . . .

141

Diagnosis Procedure . . . . . . . . . . . .

141

U1010 CONTROL MODULE (CAN) . . . . .

142

DTC Logic . . . . . . . . . . . . . . . .

142

Diagnosis Procedure . . . . . . . . . . . .

142

P0A00 COOLANT TEMPERATURE SENSOR

..

143

DTC Logic . . . . . . . . . . . . . . . .

143

Diagnosis Procedure . . . . . . . . . . . .

143

Component Inspection . . . . . . . . . . ..

145

P0A0B HIGH VOLTAGE CONNECTOR IN-
TERLOCK DETECT CIRCUIT . . . . . . ..

146

Description . . . . . . . . . . . . . . .

146

DTC Logic . . . . . . . . . . . . . . . .

146

Diagnosis Procedure . . . . . . . . . . . .

146

P0A8D 12V BATTERY POWER SUPPLY . ...

150

DTC Logic . . . . . . . . . . . . . . . .

150

Diagnosis Procedure . . . . . . . . . . . .

150

P0A8E 12V BATTERY POWER SUPPLY . ...

152

DTC Logic . . . . . . . . . . . . . . . .

152

Diagnosis Procedure . . . . . . . . . . . .

152

P0A8F 12V BATTERY POWER SUPPLY . ...

154

DTC Logic . . . . . . . . . . . . . . . .

154

Diagnosis Procedure . . . . . . . . . . . .

154

P0A94 DC/DC CONVERTER . . . . . . ..

157

DTC Logic . . . . . . . . . . . . . . . ..

157

Diagnosis Procedure . . . . . . . . . . . .

157

P0AA0 SYSTEM MAIN RELAY . . . . . ..

158

DTC Logic . . . . . . . . . . . . . . . ..

158

Diagnosis Procedure . . . . . . . . . . . .

158

P0AA1 SYSTEM MAIN RELAY + . . . . ...

163

DTC Logic . . . . . . . . . . . . . . . ..

163

Diagnosis Procedure . . . . . . . . . . . .

163

P0AA2 SYSTEM MAIN RELAY + . . . . ...

168

DTC Logic . . . . . . . . . . . . . . . ..

168

Diagnosis Procedure . . . . . . . . . . . .

168

P0AA4 SYSTEM MAIN RELAY - . . . . .

170

DTC Logic . . . . . . . . . . . . . . . ..

170

Diagnosis Procedure . . . . . . . . . . . .

170

P0AA5 SYSTEM MAIN RELAY - . . . . .

175

DTC Logic . . . . . . . . . . . . . . . ..

175

Diagnosis Procedure . . . . . . . . . . . .

175

P0AA6 HIGH VOLTAGE SYSTEM ISOLA-
TION . . . . . . . . . . . . . . . .

177

Description . . . . . . . . . . . . . . . .

177

DTC Logic . . . . . . . . . . . . . . . ..

177

Diagnosis Procedure . . . . . . . . . . . .

178

P1550, P1551, P1552 BATTERY CURRENT
SENSOR . . . . . . . . . . . . . . ..

185

DTC Logic . . . . . . . . . . . . . . . ..

185

Diagnosis Procedure . . . . . . . . . . . .

186

Component Inspection . . . . . . . . . . ...

188

P1554 BATTERY CURRENT SENSOR . . ..

189

DTC Logic . . . . . . . . . . . . . . . ..

189

Component Function Check . . . . . . . . ..

189

Diagnosis Procedure . . . . . . . . . . . .

189

Component Inspection . . . . . . . . . . ...

191

P1556, P1557 BATTERY TEMPERATURE
SENSOR . . . . . . . . . . . . . . ..

193

DTC Logic . . . . . . . . . . . . . . . ..

193

Diagnosis Procedure . . . . . . . . . . . .

193

Component Inspection . . . . . . . . . . ...

194

P155A BATTERY TEMPERATURE SENSOR .

195

DTC Logic . . . . . . . . . . . . . . . ..

195

Diagnosis Procedure . . . . . . . . . . . .

195

Component Inspection . . . . . . . . . . ...

196

P1564 ASCD STEERING SWITCH . . . . .

197

DTC Logic . . . . . . . . . . . . . . . ..

197

Diagnosis Procedure . . . . . . . . . . . .

197

Component Inspection (ASCD STEERING
SWITCH) . . . . . . . . . . . . . . . ...

198

P1572 BRAKE PEDAL POSITION SWITCH ..

200