Nissan X-Trail 32. Manual — part 1989
STC-6
< PRECAUTION >
PRECAUTIONS
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:0000000011043870
CAUTION:
When performing an inspection and its related work with the engine at idle, always turn the stop/start
OFF switch ON or open the hood to release the stop/start system.
Service Notice and Precautions for EPS System
INFOID:0000000010688398
• Check the following item when performing the trouble diagnosis.
- Check any possible causes by interviewing the symptom and it
′
s condition from the customer if any malfunc-
tion, such as Electric power steering warning lamp is turned ON, occurs.
- Check if air pressure and size of tires are proper, the specified part is used for the steering wheel, and con-
trol unit is genuine part.
- Check if the connection of steering column assembly and steering gear assembly is proper (there is not
looseness of mounting bolts, damage of rods, boots or sealants, and leakage of grease, etc.).
- Check if the wheel alignment is adjusted properly.
- Check if there is any damage or modification to suspension or body resulting in increased weight or altered
ground clearance.
- Check if installation conditions of each link and suspension are proper.
- Check if the battery voltage is proper.
- Check connection conditions of each connector are proper.
- Before connecting or disconnecting the EPS control unit harness connector, turn ignition switch “OFF” and
disconnect battery ground cable. Because battery voltage is applied to EPS control unit even if ignition
switch is turned “OFF”.
• During quick steering, rasping noise may be heard from around the steering wheel. This is not a malfunction.
The noise is an operating noise of the EPS system under normal conditions. If the rasping noise occurs dur-
ing slow steering, this may not be an operating noise of the system. In this case, it is necessary to find out
the location of the noise and repair, if necessary.
COMPONENT PARTS
STC-7
< SYSTEM DESCRIPTION >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000010688399
LHD models
Steering column assembly
JSGIA1555ZZ
STC-8
< SYSTEM DESCRIPTION >
COMPONENT PARTS
*1: Models around view monitor with park assist
*2: With stop/start system
RHD models
No.
Component
Function
Combination meter
(Electric power steering warning lamp)
• Transmits mainly the following signal to EPS control unit via
CAN communication.
- Vehicle speed signal (Meter)
• For detailed installation location, refer to
SYSTEM : Component Parts Location"
.
• Turns ON the electric power steering warning lamp according
to the signal from EPS control unit via CAN communication.
• For electric power steering warning lamp, refer to
"WARNING/INDICATOR/CHIME LIST : Warning Lamp/Indica-
tor Lamp"
Around view monitor control unit
*1
• Transmits mainly the following signal to EPS control unit via
CAN communication.
- Park Assist status signal
- Park Assist malfunction signal
- Steering angle command signal
• Receives mainly the following signal to EPS control unit via
CAN communication.
- EPS torque signal
- Park Assist permit signal
• For detailed installation location, refer to
.
ABS actuator and electric unit (control unit)
• Transmits mainly the following signal to EPS control unit via
CAN communication.
- Vehicle speed signal (ABS)
• For detailed installation location, refer to
ator and Electric Unit (Control Unit)"
.
ECM
• Transmits mainly the following signals to EPS control unit via
CAN communication.
- Engine status signal
- EPS assist request signal
*2
- Stop/start status signal
*2
• Receives mainly the following signal to EPS control unit via
CAN communication.
- EPS operation signal
- Stop/start inhibit signal
*2
• For detailed installation location,
MR20DD: Refer to
EC-28, "ENGINE CONTROL SYSTEM :
EC-440, "Component Parts Location"
.
EC-812, "Component Parts Location"
Sonar control unit
*1
• Transmits mainly the following signals to EPS control unit via
CAN communication.
- Steering angle command signal
• For detailed installation location,
: Refer to
SN-119, "Component Parts Location"
.
EPS control unit
EPS motor
STC-10, "EPS Motor, Torque Sensor, Reduction Gear"
Torque sensor
STC-10, "EPS Motor, Torque Sensor, Reduction Gear"
Reduction gear
COMPONENT PARTS
STC-9
< SYSTEM DESCRIPTION >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
Steering column assembly
No.
Component
Function
Combination meter
(Electric power steering warning lamp)
• Transmits mainly the following signal to EPS control unit via
CAN communication.
- Vehicle speed signal (Meter)
• For detailed installation location, refer to
SYSTEM : Component Parts Location"
.
• Turns ON the electric power steering warning lamp according
to the signal from EPS control unit via CAN communication.
• For electric power steering warning lamp, refer to
"WARNING/INDICATOR/CHIME LIST : Warning Lamp/Indica-
tor Lamp"
.
ECM
• Transmits mainly the following signals to EPS control unit via
CAN communication.
- Engine status signal
- EPS assist request signal
*1
- Stop/start status signal
*1
• Receives mainly the following signal to EPS control unit via
CAN communication.
- EPS operation signal
- Stop/start inhibit signal
*1
• For detailed installation location,
EC-812, "Component Parts Location"
ABS actuator and electric unit (control unit)
• Transmits mainly the following signal to EPS control unit via
CAN communication.
- Vehicle speed signal (ABS)
• For detailed installation location, Refer to
ator and Electric Unit (Control Unit)"
.
JSGIA1556ZZ
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