Nissan Qashqai J11. Manual - part 977

STEERING ANGLE SENSOR

BRC-145

< REMOVAL AND INSTALLATION >

[WITH ESP]

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STEERING ANGLE SENSOR

Exploded View

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Removal and Installation

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Removal and Installation

1.

Remove the spiral cable. Refer to 

SR-17, "Exploded View"

.

2.

Remove screws (A) and then remove steering angle sensor (1).

INSTALLATION

Installation is in the reverse order of removal.

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1.

Combination switch

2.

Steering angle sensor

3.

Spiral cable

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BRC-146

< PRECAUTION >

[FORWARD EMERGENCY BRAKING]

PRECAUTIONS

PRECAUTION

PRECAUTIONS

Precautions for Removing Battery Terminal

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• 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.

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.

SEF289H

D4D engine

: 20 minutes

HRA2DDT

: 12 minutes

K9K engine

: 4 minutes

M9R engine

: 4 minutes

R9M engine

: 4 minutes

V9X engine

: 4 minutes

PRECAUTIONS

BRC-147

< PRECAUTION >

[FORWARD EMERGENCY BRAKING]

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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.

Precautions for FEB System Service

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CAUTION:

• Never use the  distance sensor removed from vehicle. Never disassemble or remodel.
• Erase DTC when replacing parts of FEB system. Then check the operation of FEB system after radar

alignment if necessary.

• Never change FEB system state ON/OFF without the consent of the customer.
• Turn the FEB system OFF in conditions similar to driving, such as free rollers or a chassis dyna-

mometer.

BRC-148

< SYSTEM DESCRIPTION >

[FORWARD EMERGENCY BRAKING]

COMPONENT PARTS

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

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No.

Component parts

Function

Front camera unit

• Front camera is located above the inside mirror and detect the lane 

marker in travel lane.

• Transmits detects signal to distance sensor via ITS communication.

ABS actuator and electric unit (control unit)

• Wheel rotation sensor signal and the operation statuses of the VDC, 

TCS and ABS systems, etc. are transmitted to the distance sensor 
via CAN communication.

• Refer to 

BRC-8, "Component Parts Location"

 for detailed installation 

location.

Distance sensor

• Distance sensor detects radar reflected from a vehicle ahead by ir-

radiating radar forward and calculates a distance from the vehicle 
ahead and relative speed, based on the detected signal.

• Distance sensor transmits the presence/absence of vehicle ahead 

and the distance from the vehicle to around view monitor control unit 
via CAN communication.

TCM

• CVT control related signal is transmitted to distance sensor via CAN 

communication.

• Refer to 

TM-217, "CVT CONTROL SYSTEM : Component Parts Lo-

cation"

 (RE0F10D) or 

TM-430, "CVT CONTROL SYSTEM : Compo-

nent Parts Location"

 (RE0F10G) for detailed installation location.

ECM

• When Forward Emergency Braking operates, an engine torque 

down request signal is received from the distance sensor.

• Refer to 

ECH-12, "Component Parts Location"

 (HRA2DDT), 

ECM-

14, "ENGINE CONTROL SYSTEM : Component Parts Location"

 

(MR20DD), 

ECK-12, "Component Parts Location"

 (K9K) or 

EC9-12, 

"Component Parts Location"

 (R9M) for detailed installation location.

Stop lamp switch

Stop lamp switch is installed at the upper part of the brake pedal and 
detects a brake operation performed by the driver.

BCM

• Turn signal switch signal is transmitted to the distance sensor via 

CAN communication.

• Refer to 

BCS-7, "BODY CONTROL SYSTEM : Component Parts Lo-

cation"

 for detailed installation location.

Chassis control module

Chassis control module state signal is transmitted to distance sensor 
via CAN communication.

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