Nissan Qashqai J11. Manual — part 1932
LAN
MALFUNCTION AREA CHART
LAN-321
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 551)]
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DTC/CIRCUIT DIAGNOSIS
MALFUNCTION AREA CHART
Main Line
INFOID:0000000011853734
Branch Line
INFOID:0000000011853735
Short Circuit
INFOID:0000000011853736
Malfunction area
Reference
Main line between ABS actuator and electric unit (control unit) and data link con-
nector
Main line between data link connector and chassis control module connector
Main line between chassis control module and 4WD control unit
—
Main line between A/C auto amp. and front camera unit connector (With auto-
matic air conditioner)
—
Main line between A/C amp. and front camera unit connector (Except automatic
air conditioner)
Malfunction area
Reference
ECM branch line circuit
ABS actuator and electric unit (control unit) branch line circuit
IPDM E/R branch line circuit
TCM branch line circuit
—
Data link connector branch line circuit
Electric park brake control unit branch line
EPS control unit branch line circuit
Steering lock unit branch line circuit
Combination meter branch line circuit
Steering angle sensor branch line circuit
Air bag diagnosis sensor unit branch line circuit
Chassis control module branch line circuit
Sonar control unit branch line circuit
—
4WD control unit branch line circuit
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BCM branch line circuit
NAVI control unit branch line circuit
Around view monitor control unit branch line circuit
A/C auto amp. branch line circuit (With automatic air conditioner)
LAN-100, "Diagnosis Procedure"
A/C amp. branch line circuit (Except automatic air conditioner)
Front camera unit branch line circuit
—
Distance sensor branch line circuit (CAN communication circuit 2)
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Distance sensor branch line circuit (Chassis communication circuit)
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Malfunction area
Reference
CAN communication circuit 1
LAN-105, "Diagnosis Procedure"
CAN communication circuit 2
LAN-107, "Diagnosis Procedure"
Chassis communication circuit
—
PCS
PCS-1
ELECTRICAL & POWER CONTROL
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SECTION
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CONTENTS
POWER CONTROL SYSTEM
IPDM E/R
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precautions for Removing Battery Terminal . . .....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Smart FET . . . . . . . . . . . . . . . .....
SYSTEM . . . . . . . . . . . . . . . ..
RELAY CONTROL SYSTEM . . . . . . . . . ..
RELAY CONTROL SYSTEM : System Descrip-
tion . . . . . . . . . . . . . . . . . . ....
RELAY CONTROL SYSTEM : Fail-safe . . . . ...
POWER CONTROL SYSTEM . . . . . . . . ...
POWER CONTROL SYSTEM : System Descrip-
tion . . . . . . . . . . . . . . . . . . ..
SIGNAL BUFFER SYSTEM . . . . . . . . . ..
SIGNAL BUFFER SYSTEM : System Description
POWER CONSUMPTION CONTROL SYSTEM . ...
POWER CONSUMPTION CONTROL SYSTEM :
System Description . . . . . . . . . . . . .
ENERGY MANAGEMENT SYSTEM . . . . . . .
ENERGY MANAGEMENT SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ...
DIAGNOSIS SYSTEM (IPDM E/R) . . . . . .
CONSULT Function (IPDM E/R) . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
IPDM E/R . . . . . . . . . . . . . . .
Reference Value . . . . . . . . . . . . . ..
Fail-safe . . . . . . . . . . . . . . . . ...
DTC Inspection Priority Chart . . . . . . . . ..
DTC Index . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
IPDM E/R . . . . . . . . . . . . . . ...
Wiring Diagram (With Stop/Start System) . . . ...
Wiring Diagram (Without Stop/Start System) . . ..
BASIC INSPECTION . . . . . . . . ...
ADDITIONAL SERVICE WHEN REPLACING
IPDM E/R . . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
CONFIGURATION (IPDM E/R) . . . . . . .
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
Configuration List . . . . . . . . . . . . . .
CUMULATIVE BATTERY DISCHARGE CUR-
RENT CLEAR . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Work Procedure . . . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . ...
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
B120E IPDM E/R . . . . . . . . . . . ...
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
B20DD IGNITION RELAY ON CIRCUIT . . ...
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
PCS-2
DTC Description . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
POWER SUPPLY AND GROUND CIRCUIT . .
Diagnosis Procedure . . . . . . . . . . . ..
REMOVAL AND INSTALLATION . . . ...
IPDM E/R . . . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
POWER DISTRIBUTION SYSTEM
PRECAUTION . . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . . .
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . ..
Precautions for Removing Battery Terminal . . ...
SYSTEM DESCRIPTION . . . . . . .
COMPONENT PARTS . . . . . . . . . ...
Component Parts Location . . . . . . . . . .
Push-button Ignition Switch . . . . . . . . ....
SYSTEM . . . . . . . . . . . . . . . .
POWER DISTRIBUTION SYSTEM . . . . . . ...
POWER DISTRIBUTION SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ..
AUTO ACC FUNCTION . . . . . . . . . . ....
AUTO ACC FUNCTION : System Description . ....
Fail-safe . . . . . . . . . . . . . . . . ..
DIAGNOSIS SYSTEM (BCM) . . . . . . .
COMMON ITEM . . . . . . . . . . . . . ....
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ....
INTELLIGENT KEY . . . . . . . . . . . . ...
INTELLIGENT KEY : CONSULT Function (BCM -
INTELLIGENT KEY) (Type 1) . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
BCM . . . . . . . . . . . . . . . . ...
List of ECU Reference . . . . . . . . . . ....
WIRING DIAGRAM . . . . . . . . . .
POWER DISTRIBUTION SYSTEM . . . . ...
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ..
DIAGNOSIS AND REPAIR WORK FLOW . ..
Work Flow . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . ...
B261A PUSH-BUTTON IGNITION SWITCH .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F1 IGNITION RELAY . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
B26F2 IGNITION RELAY . . . . . . . . .
DTC Description . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
ACCESSORY RELAY . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
AV CONTROL UNIT . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
PUSH-BUTTON IGNITION SWITCH . . . .
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
SYMPTOM DIAGNOSIS . . . . . . ...
PUSH-BUTTON IGNITION SWITCH DOES
NOT OPERATE . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
ALL SWITCHES AND UNITS . . . . . . . . .
ALL SWITCHES AND UNITS : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . ...
EXCEPT AUDIO/NAVIGATION . . . . . . . ..
EXCEPT AUDIO/NAVIGATION : Diagnosis Pro-
cedure . . . . . . . . . . . . . . . . ...
AUDIO/NAVIGATION ONLY . . . . . . . . ...
AUDIO/NAVIGATION ONLY : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . .
PUSH-BUTTON IGNITION SWITCH . . . .
PCS
PRECAUTIONS
PCS-3
< PRECAUTION >
[IPDM E/R]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010499148
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:0000000010506098
• 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 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.
SEF289H
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