Nissan Leaf. Manual — part 1180
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ELECTRIC POWER TRAIN
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CONTENTS
TRACTION MOTOR SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Technicians Using Medical Electric
. ..
Point to Be Checked Before Starting Maintenance
Work . . . . . . . . . . . . . . . . . . ..
Precaution for Procedure without Cowl Top Cover . ..
High Voltage Precautions . . . . . . . . . . ..
Precautions for Removing Battery Terminal . . .....
General Precautions . . . . . . . . . . . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tools . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . .
DESCRIPTION . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
Specifications (Traction Motor) . . . . . . . ...
Location of Traction Motor Model Number and Se-
rial Number Stamps . . . . . . . . . . . .
COMPONENT PARTS . . . . . . . . . ...
Component Parts Location . . . . . . . . . ..
Traction Motor Inverter . . . . . . . . . . .
Traction Motor . . . . . . . . . . . . . . .
High Voltage Warning Label . . . . . . . . ...
STRUCTURE AND OPERATION . . . . . ...
Structural Drawing . . . . . . . . . . . . ...
Operation Description . . . . . . . . . . . .
SYSTEM . . . . . . . . . . . . . . . .
TRACTION MOTOR INVERTER . . . . . . . ...
TRACTION MOTOR INVERTER : System De-
scription . . . . . . . . . . . . . . . . ...
TRACTION MOTOR INVERTER : Fail-safe . . .
TRACTION MOTOR INVERTER : Protection
Control . . . . . . . . . . . . . . . . . .
MOTOR POWER CONTROL . . . . . . . . . .
MOTOR POWER CONTROL : System Descrip-
tion . . . . . . . . . . . . . . . . . . ...
MOTOR POWER CONTROL : Operating Princi-
ple . . . . . . . . . . . . . . . . . . .
MOTOR REGENERATION CONTROL . . . . . .
MOTOR REGENERATION CONTROL : System
Description . . . . . . . . . . . . . . . ...
MOTOR REGENERATION CONTROL : Operat-
ing Principle . . . . . . . . . . . . . . . .
DIAGNOSIS SYSTEM (TRACTION MOTOR
INVERTER) . . . . . . . . . . . . . ...
DIAGNOSIS DESCRIPTION . . . . . . . . . ..
DIAGNOSIS DESCRIPTION : System Description
DIAGNOSIS DESCRIPTION : DTC and Freeze
Frame Data . . . . . . . . . . . . . . . ..
DIAGNOSIS DESCRIPTION : Counter System . ..
CONSULT Function . . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
TRACTION MOTOR INVERTER . . . . . ...
Reference Value . . . . . . . . . . . . . ..
Fail-safe . . . . . . . . . . . . . . . . ...
Protection Control . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . . ..
DTC Index . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
TRACTION MOTOR INVERTER . . . . . ...
TMS-2
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
Question sheet . . . . . . . . . . . . . ...
RESOLVER WRITE . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
Work Procedure . . . . . . . . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . . .
P0A1B DRIVE MOTOR A CONTROL MOD-
ULE . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0A2C DRIVE MOTOR A TEMP SENSOR . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Traction Motor Tempera-
ture Sensor) . . . . . . . . . . . . . . ....
P0A2D DRIVE MOTOR A TEMP SENSOR . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Traction Motor Tempera-
ture Sensor) . . . . . . . . . . . . . . ....
P0A2F DRIVE MOTOR A OVER TEMPERA-
TURE . . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Traction Motor Tempera-
ture Sensor) . . . . . . . . . . . . . . ....
Component Inspection (Traction Motor Stator
Coil) . . . . . . . . . . . . . . . . . ....
P0A3F DRIVE MOTOR A POSITION SEN-
SOR . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Traction Motor Resolver) ...
P0A44 DRIVE MOTOR A OVER SPEED . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Traction Motor Resolver) ...
P0A78 DRIVE MOTOR A INVERTER . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0A8D 14VOLT POWER VOLTAGE . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0BE5 D-MOTOR A PHASE U CURRENT
SEN . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0BE6 D-MOTOR A PHASE U CURRENT
SEN . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P0BE9 D-MOTOR A PHASE V CURRENT
SEN . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P0BEA D-MOTOR A PHASE V CURRENT
SEN . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P0C79 DRIVE MOTOR A INVERTER VOLT-
AGE . . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P318E CAN ERROR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3193 CAN ERROR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3197 CAN ERROR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3199 CAN ERROR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P319E CAN ERROR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P31A2 CAN ERROR . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P31A4 CAN ERROR . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P31A9 CAN ERROR . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P31AD CAN ERROR . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3240 DRIVE MOTOR A INVERTER CRNT
CONT . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
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P3241 DRIVE MOTOR A INVERTER CRNT
CONT . . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3242 D-MOTOR A PHASE U CURRENT
SEN . . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3243 D-MOTOR A PHASE V CURRENT
SEN . . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3244 DRIVE MOTOR A INVERTER . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3245 DRIVE MOTOR A INVERTER . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3247 DRIVE MOTOR A INVERTER . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P3249 DRIVE MOTOR A INVERTER . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P324A DRIVE MOTOR A INVERTER VOLT-
AGE . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P324D DRIVE MOTOR A INVERTER IGBT . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection (Traction Motor Stator
Coil) . . . . . . . . . . . . . . . . . . .
P3252 DRIVE MOTOR A INVERTER IGBT . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P325A CAN ERROR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P325B DRIVE MOTOR A INVERTER . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
P325C DRIVE MOTOR A POSITION . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
P325D DRIVE MOTOR A POSITION . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
P325E DRIVE MOTOR A POSITION . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
P325F DRIVE MOTOR A POSITION . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
U1000 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
TRACTION MOTOR INSULATION RESIS-
TANCE CHECK . . . . . . . . . . . . .
Component Inspection . . . . . . . . . . . .
TRACTION MOTOR INVERTER INSULA-
TION RESISTANCE CHECK . . . . . . ..
Component Inspection . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . .
ELECTROMAGNETIC SOUND IS AUDIBLE .
DESCRIPTION . . . . . . . . . . . . . ..
REMOVAL AND INSTALLATION . . . .
TRACTION MOTOR INVERTER . . . . . .
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
Inspection and Adjustment . . . . . . . . .
UNIT REMOVAL AND INSTALLATION .
TRACTION MOTOR . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
TMS-4
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Technicians Using Medical Electric
INFOID:0000000010120883
OPERATION PROHIBITION
WARNING:
• Parts with strong magnet is used in this vehicle.
• Technicians using a medical electric device such as pacemaker must never perform operation on the
vehicle, as magnetic field can affect the device function by approaching to such parts.
NORMAL CHARGE PRECAUTION
WARNING:
• If a technician uses a medical electric device such as an implantable cardiac pacemaker or an
implantable cardioverter defibrillator, the possible effects on the devices must be checked with the
device manufacturer before starting the charge operation.
• As radiated electromagnetic wave generated by PDM (Power Delivery Module) at normal charge
operation may affect medical electric devices, a technician using a medical electric device such as
implantable cardiac pacemaker or an implantable cardioverter defibrillator must not approach motor
room [PDM (Power Delivery Module)] at the hood-opened condition during normal charge operation.
PRECAUTION AT TELEMATICS SYSTEM OPERATION
WARNING:
• If a technician uses implantable cardiac pacemaker or implantable cardioverter defibrillator (ICD),
avoid the device implanted part from approaching within approximately 220 mm (8.66 in) from inte-
rior/exterior antenna.
• The electromagnetic wave of TCU might affect the function of the implantable cardiac pacemaker or
the implantable cardioverter defibrillator (ICD), when using the service, etc.
• If a technician uses other medical electric devices than implantable cardiac pacemaker or implant-
able cardioverter defibrillator (ICD), the electromagnetic wave of TCU might affect the function of the
device. The possible effects on the devices must be checked with the device manufacturer before
TCU use.
PRECAUTION AT INTELLIGENT KEY SYSTEM OPERATION
WARNING:
• If a technician uses implantable cardiac pacemaker or implantable cardioverter defibrillator (ICD),
avoid the device implanted part from approaching within approximately 220 mm (8.66 in) from inte-
rior/exterior antenna.
• The electromagnetic wave of Intelligent Key might affect the function of the implantable cardiac
pacemaker or the implantable cardioverter defibrillator (ICD), at door operation, at each request
switch operation, or at engine starting.
• If a technician uses other medical electric devices than implantable cardiac pacemaker or implant-
able cardioverter defibrillator (ICD), the electromagnetic wave of Intelligent Key might affect the
function of the device. The possible effects on the devices must be checked with the device manu-
facturer before Intelligent Key use.
Point to Be Checked Before Starting Maintenance Work
INFOID:0000000010120884
The high voltage system may starts automatically. It is required to check that the timer air conditioner
and timer charge (during EVSE connection) are not set before starting maintenance work.
NOTE:
If the timer air conditioner or timer charge (during EVSE connection) is set, the high voltage system starts
automatically even when the power switch is in OFF state.
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010120885
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
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