Qashqai J11. Charging system — part 1
CHG
CHG-1
ELECTRICAL & POWER CONTROL
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SECTION
CHG
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CONTENTS
CHARGING SYSTEM
TYPE 1
HOW TO USE THIS MANUAL . . . . . ..
APPLICATION NOTICE . . . . . . . . . ..
Information . . . . . . . . . . . . . . . ....
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precautions for Removing Battery Terminal . . .....
Precaution for Stop/Start System Service . . . .....
Precaution for Energy Management System . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Alternator . . . . . . . . . . . . . . . . ...
Battery Current Sensor (With Battery Tempera-
ture Sensor) . . . . . . . . . . . . . . . ..
SYSTEM . . . . . . . . . . . . . . . ..
ENERGY MANAGEMENT SYSTEM . . . . . . ...
ENERGY MANAGEMENT SYSTEM : System De-
scription . . . . . . . . . . . . . . . . .....
ECU DIAGNOSIS INFORMATION . . . ...
ECM, IPDM E/R . . . . . . . . . . . . ...
List of ECU Reference . . . . . . . . . . . ..
WIRING DIAGRAM . . . . . . . . . ..
CHARGING SYSTEM . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow . . . . . . . . . . . . . . . .
CHARGING SYSTEM PRELIMINARY IN-
SPECTION . . . . . . . . . . . . . .
Inspection Procedure . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
B20BD BATTERY CURRENT SENSOR . . ..
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
B20BE BATTERY TEMPERATURE SENSOR ...
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . . ..
CHARGING SYSTEM . . . . . . . . . ...
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ...
ALTERNATOR . . . . . . . . . . . . ..
HRA2DDT . . . . . . . . . . . . . . . . ..
HRA2DDT : Exploded View . . . . . . . . . .
HRA2DDT : Removal and Installation . . . . . .
K9K . . . . . . . . . . . . . . . . . . .
K9K : Exploded View . . . . . . . . . . . ...
K9K : Removal and Installation . . . . . . . ...
R9M . . . . . . . . . . . . . . . . . . .
R9M : Exploded View . . . . . . . . . . . ..
CHG-2
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ...
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . ..
Alternator . . . . . . . . . . . . . . . ....
TYPE 2
HOW TO USE THIS MANUAL . . . . .
APPLICATION NOTICE . . . . . . . . .
Information . . . . . . . . . . . . . . . ..
PRECAUTION . . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . . .
Precautions for Removing Battery Terminal . . ...
SYSTEM DESCRIPTION . . . . . . .
COMPONENT PARTS . . . . . . . . . ...
Component Parts Location . . . . . . . . . .
Alternator . . . . . . . . . . . . . . . ....
SYSTEM . . . . . . . . . . . . . . . .
CHARGING SYSTEM . . . . . . . . . . . ...
CHARGING SYSTEM : System Description . . ...
ECU DIAGNOSIS INFORMATION . . . ..
ECM, IPDM E/R . . . . . . . . . . . . .
List of ECU Reference . . . . . . . . . . ....
WIRING DIAGRAM . . . . . . . . . .
CHARGING SYSTEM . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ..
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
CHARGING SYSTEM PRELIMINARY IN-
SPECTION . . . . . . . . . . . . . . .
Inspection Procedure . . . . . . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . .
CHARGING SYSTEM . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ..
ALTERNATOR . . . . . . . . . . . . ..
HRA2DDT . . . . . . . . . . . . . . . . ..
HRA2DDT : Exploded View . . . . . . . . .
HRA2DDT : Removal and Installation . . . . . .
MR20DD . . . . . . . . . . . . . . . . .
MR20DD : Exploded View . . . . . . . . . ..
MR20DD : Removal and Installation . . . . . ...
R9M . . . . . . . . . . . . . . . . . . ...
R9M : Exploded View . . . . . . . . . . . ..
R9M : Removal and Installation . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
CHG
CHG-1
ELECTRICAL & POWER CONTROL
C
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B
SECTION
CHG
A
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P
N
CONTENTS
CHARGING SYSTEM
TYPE 1
HOW TO USE THIS MANUAL . . . . . ..
APPLICATION NOTICE . . . . . . . . . ..
Information . . . . . . . . . . . . . . . ....
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precautions for Removing Battery Terminal . . .....
Precaution for Stop/Start System Service . . . .....
Precaution for Energy Management System . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Alternator . . . . . . . . . . . . . . . . ...
Battery Current Sensor (With Battery Tempera-
ture Sensor) . . . . . . . . . . . . . . . ..
SYSTEM . . . . . . . . . . . . . . . ..
ENERGY MANAGEMENT SYSTEM . . . . . . ...
ENERGY MANAGEMENT SYSTEM : System De-
scription . . . . . . . . . . . . . . . . .....
ECU DIAGNOSIS INFORMATION . . . ...
ECM, IPDM E/R . . . . . . . . . . . . ...
List of ECU Reference . . . . . . . . . . . ..
WIRING DIAGRAM . . . . . . . . . ..
CHARGING SYSTEM . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow . . . . . . . . . . . . . . . .
CHARGING SYSTEM PRELIMINARY IN-
SPECTION . . . . . . . . . . . . . .
Inspection Procedure . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
B20BD BATTERY CURRENT SENSOR . . ..
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
B20BE BATTERY TEMPERATURE SENSOR ...
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . . ..
CHARGING SYSTEM . . . . . . . . . ...
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ...
ALTERNATOR . . . . . . . . . . . . ..
HRA2DDT . . . . . . . . . . . . . . . . ..
HRA2DDT : Exploded View . . . . . . . . . .
HRA2DDT : Removal and Installation . . . . . .
K9K . . . . . . . . . . . . . . . . . . .
K9K : Exploded View . . . . . . . . . . . ...
K9K : Removal and Installation . . . . . . . ...
R9M . . . . . . . . . . . . . . . . . . .
R9M : Exploded View . . . . . . . . . . . ..
CHG-2
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ...
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . ..
Alternator . . . . . . . . . . . . . . . ....
TYPE 2
HOW TO USE THIS MANUAL . . . . .
APPLICATION NOTICE . . . . . . . . .
Information . . . . . . . . . . . . . . . ..
PRECAUTION . . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . . .
Precautions for Removing Battery Terminal . . ...
SYSTEM DESCRIPTION . . . . . . .
COMPONENT PARTS . . . . . . . . . ...
Component Parts Location . . . . . . . . . .
Alternator . . . . . . . . . . . . . . . ....
SYSTEM . . . . . . . . . . . . . . . .
CHARGING SYSTEM . . . . . . . . . . . ...
CHARGING SYSTEM : System Description . . ...
ECU DIAGNOSIS INFORMATION . . . ..
ECM, IPDM E/R . . . . . . . . . . . . .
List of ECU Reference . . . . . . . . . . ....
WIRING DIAGRAM . . . . . . . . . .
CHARGING SYSTEM . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ..
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
CHARGING SYSTEM PRELIMINARY IN-
SPECTION . . . . . . . . . . . . . . .
Inspection Procedure . . . . . . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . .
CHARGING SYSTEM . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ..
ALTERNATOR . . . . . . . . . . . . ..
HRA2DDT . . . . . . . . . . . . . . . . ..
HRA2DDT : Exploded View . . . . . . . . .
HRA2DDT : Removal and Installation . . . . . .
MR20DD . . . . . . . . . . . . . . . . .
MR20DD : Exploded View . . . . . . . . . ..
MR20DD : Removal and Installation . . . . . ...
R9M . . . . . . . . . . . . . . . . . . ...
R9M : Exploded View . . . . . . . . . . . ..
R9M : Removal and Installation . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
CHG
APPLICATION NOTICE
CHG-3
< HOW TO USE THIS MANUAL >
[TYPE 1]
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HOW TO USE THIS MANUAL
APPLICATION NOTICE
Information
INFOID:0000000010671016
Check the vehicle type to use the service information in this section.
Service information
System
TYPE 1
With stop/start system
TYPE 2
Without stop/start system
CHG-4
< PRECAUTION >
[TYPE 1]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010463832
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. Information necessary to service the system safely is included in the “SRS AIR BAG” and
“SEAT BELT” of this Service Manual.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precautions for Removing Battery Terminal
INFOID:0000000010503206
• With the adoption of Auto ACC function, ACC power is automatically supplied by operating the intelligent key
or remote keyless entry or by opening/closing the driver side door. In addition, ACC power is supplied even
after the ignition switch is turned to the OFF position, i.e. ACC power is supplied for a certain fixed time.
• When disconnecting the 12V battery terminal, turn off the ACC
power before disconnecting the 12V battery terminal, observing
“How to disconnect 12V battery terminal” described below.
NOTE:
Some ECUs operate for a certain fixed time even after ignition
switch is turned OFF and ignition power supply is stopped. If the
battery terminal is disconnected before ECU stops, accidental DTC
detection or ECU data damage may occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to Instruction 1 or Instruction 2 described below.
For vehicles parked by ignition switch OFF, refer to Instruction 2.
INSTRUCTION 1
1.
Open the hood.
SEF289H
CHG
PRECAUTIONS
CHG-5
< PRECAUTION >
[TYPE 1]
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2.
Turn key switch to the OFF position with the driver side door opened.
3.
Get out of the vehicle and close the driver side door.
4.
Wait at least 3 minutes. For vehicle with the engine listed below, remove the battery terminal after a lapse
of the specified time.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
5.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
INSTRUCTION 2 (FOR VEHICLES PARKED BY IGNITION SWITCH OFF)
1.
Unlock the door with intelligent key or remote keyless entry.
NOTE:
At this moment, ACC power is supplied.
2.
Open the driver side door.
3.
Open the hood.
4.
Close the driver side door.
5.
Wait at least 3 minutes.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
6.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
Precaution for Stop/Start System Service
INFOID:0000000010503207
CAUTION:
When performing an inspection and its related work with the engine at idle, always open the hood and
release the stop/start system.
Precaution for Energy Management System
INFOID:0000000010464044
CAUTION:
Never connect the electrical component or the ground wire directly to the battery terminal. The con-
nection causes the malfunction of the energy management system, and then the battery discharge
may occur.
D4D engine
: 20 minutes
HRA2DDT
: 12 minutes
K9K engine
: 4 minutes
M9R engine
: 4 minutes
R9M engine
: 4 minutes
V9X engine
: 4 minutes
CHG-6
< SYSTEM DESCRIPTION >
[TYPE 1]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000010431012
Alternator
INFOID:0000000010431013
The alternator provides DC voltage to operate the vehicle's electrical
system and to keep the battery charged.
Battery Current Sensor (With Battery Temperature Sensor)
INFOID:0000000010464042
BATTERY CURRENT SENSOR
JMMIA1765ZZ
No.
Component
Function
ECM
ECM transmits the received alternator voltage request signal to alternator via LIN communica-
tion.
Refer to
ECH-12, "Component Parts Location"
(HR engine),
ECK-12, "Component Parts Loca-
(K9K engine) or
EC9-12, "Component Parts Location"
(R9M engine) for detailed installa-
tion location.
Alternator
Refer to
.
Battery current sensor
(With battery temperature
sensor)
Refer to
CHG-6, "Battery Current Sensor (With Battery Temperature Sensor)"
IPDM E/R
IPDM E/R calculates the target power generation voltage according to the battery condition and
sends the calculated value as alternator voltage request signal to ECM via CAN communica-
tion.
Refer to
PCS-5, "Component Parts Location"
for detailed installation location.
Combination meter
Combination meter turns ON charge warning lamp to warn the driver power generation of al-
ternator is not normal.
JMMIA1018ZZ
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COMPONENT PARTS
CHG-7
< SYSTEM DESCRIPTION >
[TYPE 1]
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The battery current sensor is installed to the battery negative cable.
The sensor measures the charging/discharging current of the bat-
tery.
BATTERY TEMPERATURE SENSOR
Battery temperature sensor is integrated in battery current sensor.
The sensor measures temperature around the battery.
The electrical resistance of the thermistor decreases as temperature
increases.
JPBIA3262ZZ
Temperature [
°
C (
°
F)]
Resistance (k
Ω
)
25 (77)
1.9 - 2.1
90 (194)
0.222 - 0.258
SEF012P
CHG-8
< SYSTEM DESCRIPTION >
[TYPE 1]
SYSTEM
SYSTEM
ENERGY MANAGEMENT SYSTEM
ENERGY MANAGEMENT SYSTEM : System Description
INFOID:0000000010431015
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
• Battery current sensor (With battery temperature sensor) measures the charging/discharging current of the
battery and the temperature around the battery.
• IPDM E/R judges battery condition according to the charging/discharging current of the battery and the tem-
perature around the battery.
• IPDM E/R calculates the target power generation voltage according to the battery condition and sends the
calculated value as alternator voltage request signal to ECM via CAN communication.
• ECM transmits alternator voltage request signal to alternator via LIN communication.
• Control module inside alternator controls the power generation voltage based on the received alternator volt-
age request signal.
• Alternator includes a self-diagnosis function and transmits the diagnosis result to ECM via LIN communica-
tion when detecting any malfunction.
• Charge warning lamp turns ON when any of the following symptom occurs while ignition switch is ON:
- Excessive voltage is produced.
- No voltage is produced.
- High voltage is detected from battery positive terminal.
- The communication between alternator and ECM is not available.
NOTE:
Charge warning lamp turns OFF while stop/start system is activated.
JMMIA1760GB
CHG
ECM, IPDM E/R
CHG-9
< ECU DIAGNOSIS INFORMATION >
[TYPE 1]
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ECU DIAGNOSIS INFORMATION
ECM, IPDM E/R
List of ECU Reference
INFOID:0000000010463846
ECU
Reference
ECM (HR engine)
ECM (K9K engine)
ECK-95, "DTC Inspection Priority Chart"
ECM (R9M engine)
EC9-107, "DTC Inspection Priority Chart"
IPDM E/R
CHG-10
< WIRING DIAGRAM >
[TYPE 1]
CHARGING SYSTEM
WIRING DIAGRAM
CHARGING SYSTEM
Wiring Diagram
INFOID:0000000010431017
JRMWE9284GB
CHG
CHARGING SYSTEM
CHG-11
< WIRING DIAGRAM >
[TYPE 1]
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JRMWE9587GB
CHG-12
< WIRING DIAGRAM >
[TYPE 1]
CHARGING SYSTEM
JRMWE9588GB
CHG
CHARGING SYSTEM
CHG-13
< WIRING DIAGRAM >
[TYPE 1]
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JRMWE9589GB
CHG-14
< WIRING DIAGRAM >
[TYPE 1]
CHARGING SYSTEM
JRMWE9590GB
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