Qashqai J11. Starting system — part 1
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ENGINE
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SECTION
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CONTENTS
STARTING SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Stop/Start System Service . . . .....
Precautions for Removing Battery Terminal . . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Commercial Service Tools . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Starter motor . . . . . . . . . . . . . . .....
SYSTEM . . . . . . . . . . . . . . . ..
STARTING SYSTEM . . . . . . . . . . . . ...
STARTING SYSTEM : System Description . . . ..
WIRING DIAGRAM . . . . . . . . . ...
STARTING SYSTEM . . . . . . . . . . ...
Wiring Diagram . . . . . . . . . . . . . .....
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
S TERMINAL CIRCUIT . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . . ..
STARTING SYSTEM . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ...
STARTER MOTOR . . . . . . . . . . ...
HRA2DDT . . . . . . . . . . . . . . . . ..
HRA2DDT : Exploded View . . . . . . . . . .
HRA2DDT : Removal and Installation . . . . . .
MR20DD . . . . . . . . . . . . . . . . . .
MR20DD : Exploded View . . . . . . . . . ...
MR20DD : Removal and Installation . . . . . ...
MR20DD : Disassembly and Assembly . . . . ...
MR20DD : Inspection . . . . . . . . . . . ..
K9K . . . . . . . . . . . . . . . . . . .
K9K : Exploded View . . . . . . . . . . . ...
K9K : Removal and Installation . . . . . . . ...
R9M . . . . . . . . . . . . . . . . . . .
R9M : Exploded View . . . . . . . . . . . ..
R9M : Removal and Installation . . . . . . . ...
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
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< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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.
Precaution for Stop/Start System Service
CAUTION:
When performing an inspection and its related work with the engine at idle, always open the hood and
release the stop/start system.
Precautions for Removing Battery Terminal
• 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.
SEF289H
PRECAUTIONS
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< PRECAUTION >
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HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to instruction described below.
1.
Open the hood.
2.
Turn ignition switch to the ON position.
3.
Turn ignition switch to the OFF position with the driver side door opened.
4.
Get out of the vehicle and close the driver side door.
5.
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.
6.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
D4D engine
: 20 minutes
HRA2DDT
: 12 minutes
K9K engine
: 4 minutes
M9R engine
: 4 minutes
R9M engine
: 4 minutes
V9X engine
: 4 minutes
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< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Commercial Service Tools
INFOID:0000000010430887
Tool name
Description
Power tool
Loosening bolts, nuts and screws
PIIB1407E
COMPONENT PARTS
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< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000010430888
Front side of IPDM E/R
: Vehicle front
No.
Component
Description
Starter motor
Refer to
Transmission range switch
(For CVT models)
Transmission range switch supplies power to the starter control relay when the
selector lever is shifted to the P or N position.
Refer to
TM-430, "CVT CONTROL SYSTEM : Component Parts Location"
for
detailed installation location.
IPDM E/R
CPU inside IPDM E/R controls the starter control relay.
Refer to
PCS-5, "Component Parts Location"
for detailed installation location.
Clutch interlock switch
(MT models, except for Europe and Rus-
sia)
Clutch interlock switch supplies power to the starter control relay when the clutch
pedal is depressed.
Refer to
for detailed installation location.
BCM
BCM controls the starter relay.
Refer to
BCS-7, "BODY CONTROL SYSTEM : Component Parts Location"
for
detailed installation location.
Starter relay
Power is supplied to the starter control relay with BCM control.
JMBIA4642ZZ
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< SYSTEM DESCRIPTION >
COMPONENT PARTS
Starter motor
INFOID:0000000010430889
The starter motor plunger closes and the motor is supplied with bat-
tery power, which in turn cranks the engine, when the “S” terminal is
supplied with electric power.
JMBIA4360ZZ
SYSTEM
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< SYSTEM DESCRIPTION >
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SYSTEM
STARTING SYSTEM
STARTING SYSTEM : System Description
INFOID:0000000010430891
SYSTEM DIAGRAM
CVT Models
MT Models
For Europe and Russia
JMBIA4623GB
JMBIA4622GB
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< SYSTEM DESCRIPTION >
SYSTEM
Except for Europe and Russia
NOTE:
For models without stop/start system, starter motor “B” terminal is connect to battery directly.
SYSTEM DESCRIPTION
CVT Models
• “B” terminal is constantly supplied with battery power*.
• When selector lever is P or N, power is supplied to starter control relay by transmission range switch.
• When starter operating condition is satisfied, IPDM E/R turns starter control relay ON by starter control relay
control signal.
• When engine cranking condition is satisfied, BCM turns starter relay ON by starter relay control signal.
• Then battery power is supplied to starter motor (“S” terminal) through starter relay and starter control relay.
M/T Models
For Europe and Russia
• “B” terminal is constantly supplied with battery power*.
• When starter operating condition is satisfied, IPDM E/R turns starter control relay ON by starter control relay
control signal.
• When engine cranking condition is satisfied, BCM turns starter relay ON by starter relay control signal.
• Then battery power is supplied to starter motor (“S” terminal) through starter relay and starter control relay.
Except for Europe and Russia
• “B” terminal is constantly supplied with battery power*.
• When the clutch pedal is depressed, power is supplied to starter control relay by clutch interlock switch.
• When starter operating condition is satisfied, IPDM E/R turns starter control relay ON by starter control relay
control signal.
• When engine cranking condition is satisfied, BCM turns starter relay ON by starter relay control signal.
• Then battery power is supplied to starter motor (“S” terminal) through starter relay and starter control relay.
*: For models with stop/start system, starter motor “B” terminal receives the battery power via engine restart
bypass relay.
JMBIA4641GB
STARTING SYSTEM
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< WIRING DIAGRAM >
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WIRING DIAGRAM
STARTING SYSTEM
Wiring Diagram
INFOID:0000000010430892
JRBWD1447GB
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< WIRING DIAGRAM >
STARTING SYSTEM
JRBWD1448GB
STARTING SYSTEM
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< WIRING DIAGRAM >
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JRBWD1449GB
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< WIRING DIAGRAM >
STARTING SYSTEM
JRBWD1450GB
STARTING SYSTEM
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< WIRING DIAGRAM >
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JRBWD1451GB
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< WIRING DIAGRAM >
STARTING SYSTEM
JRBWD1452GB
STARTING SYSTEM
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< WIRING DIAGRAM >
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JRBWD1453GB
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< WIRING DIAGRAM >
STARTING SYSTEM
JRBWD1454GB
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