Nissan Juke (2014 year). Service Repair Manual — part 238
EPS WARNING LAMP
STC-27
< DTC/CIRCUIT DIAGNOSIS >
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EPS WARNING LAMP
Component Function Check
INFOID:0000000009750379
1.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform trouble diagnosis. Refer to
Diagnosis Procedure
INFOID:0000000009750380
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK EPS WARNING LAMP SIGNAL
With CONSULT
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Select “DATA MONITOR” of “EPS” and select “WARNING LAMP”.
3.
Check that the EPS warning lamp is turned ON.
4.
Start the engine.
CAUTION:
Never drive the vehicle.
5.
Check that the EPS warning lamp is turned OFF.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for combination meter power supply circuit. Refer to
"COMBINATION METER : Diagnosis Procedure"
.
NO
>> EPS control unit is malfunctioning. Replace steering column assembly. Refer to
.
Revision: 2013 October
2014 JUKE
STC-28
< SYMPTOM DIAGNOSIS >
EPS WARNING LAMP DOES NOT TURN ON
SYMPTOM DIAGNOSIS
EPS WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000009750381
EPS warning lamp does not turn ON when turning ignition switch ON from OFF. (Check the illumination of the
EPS warning lamp.)
Diagnosis Procedure
INFOID:0000000009750382
1.
CHECK EPS WARNING LAMP
Perform the trouble diagnosis of EPS warning lamp. Refer to
Is the inspection result normal?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Repair or replace the specific malfunctioning part.
Revision: 2013 October
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EPS WARNING LAMP DOES NOT TURN OFF
STC-29
< SYMPTOM DIAGNOSIS >
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EPS WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000009750383
EPS warning lamp does not turn OFF several seconds after engine started.
Diagnosis Procedure
INFOID:0000000009750384
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK EPS WARNING LAMP
Perform the trouble diagnosis of EPS warning lamp. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the specific malfunctioning part.
3.
CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Perform the trouble diagnosis of EPS control unit power supply and ground. Refer to
Is the inspection result normal?
YES
>> Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO
>> Repair or replace the specific malfunctioning part.
Revision: 2013 October
2014 JUKE
STC-30
< SYMPTOM DIAGNOSIS >
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
Description
INFOID:0000000009750385
Steering wheel turning force is heavy or light.
Diagnosis Procedure
INFOID:0000000009750386
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform trouble diagnosis of EPS warning lamp. Refer to
3.
CHECK EPS CONTROL UNIT SIGNAL (1)
With CONSULT
1.
Start the engine.
CAUTION:
Never drive the vehicle.
2.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” indicate “100%”?
YES
>> GO TO 6.
NO
>> GO TO 4.
4.
CHECK EPS CONTROL UNIT SIGNAL (2)
With CONSULT
Select “BATTERY VOLT” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” indicate “10 V” or more?
YES
>> GO TO 5.
NO
>> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to
.
5.
CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
1.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
2.
Stop the EPS system until the item in “DATA MONITOR” becomes “100%”.
NOTE:
While stopping the EPS system, do not turn steering wheel.
3.
Check that the symptom continues.
Dose the symptom continue?
YES
>> GO TO 6.
NO
>> The assist torque decreases because of protection function. This is not malfunction. INSPEC-
TION END
6.
CHECK EPS CONTROL UNIT SIGNAL (4)
With CONSULT
1.
Start the engine.
CAUTION:
Revision: 2013 October
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STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
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< SYMPTOM DIAGNOSIS >
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Never drive the vehicle.
2.
Turn steering wheel from full left stop to full right stop.
3.
Select “TORQUE SENSOR” in “DATA MONITOR” in “EPS”.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace the specific malfunctioning part.
8.
CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the steering wheel turning force for mechanical malfunction. Refer to
.
Monitor item
Condition
Display value
TORQUE SENSOR
Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn
Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
Revision: 2013 October
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STC-32
< SYMPTOM DIAGNOSIS >
UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BETWEEN
RIGHT AND LEFT
UNBALANCE STEERING WHEEL TURNING FORCE AND RETURN BE-
TWEEN RIGHT AND LEFT
Description
INFOID:0000000009750387
Unbalance steering wheel turning force and return between right and left.
Diagnosis Procedure
INFOID:0000000009750388
1.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF?
YES
>> GO TO 2.
NO
>> Refer to
.
2.
CHECK WHEEL ALIGNMENT
Check the wheel alignment. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Adjustment of wheel alignment. Refer to
3.
CHECK EPS CONTROL UNIT SIGNAL
With CONSULT
1.
Start the engine.
CAUTION:
Never drive the vehicle.
2.
Turn steering wheel from full left stop to full right stop.
3.
Select “DATA MONITOR” of “EPS” and select “TORQUE SENSOR”.
4.
Perform the torque sensor inspection.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace the specific malfunctioning part.
5.
CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the steering wheel turning force for mechanical malfunction. Refer to
Monitor item
Condition
Display value
TORQUE SENSOR
Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn
Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
Revision: 2013 October
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UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
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< SYMPTOM DIAGNOSIS >
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UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIA-
TION)
Description
INFOID:0000000009750389
Unbalance steering wheel turning force (torque variation).
Diagnosis Procedure
INFOID:0000000009750390
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn the ignition switch OFF to ON.
2.
Perform “EPS” self-diagnosis.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while the engine is started.
Does the EPS warning lamp turn OFF?
YES
>> GO TO 3.
NO
>> Refer to
.
3.
CHECK STEERING COLUMN AND STEERING GEAR
Check the steering column assembly and steering gear assembly.
• Steering column assembly. Refer to
.
• Steering gear assembly. Refer to
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the specific malfunctioning part.
4.
CHECK EPS CONTROL UNIT SIGNAL (1)
With CONSULT
1.
Start the engine.
CAUTION:
Never drive the vehicle.
2.
Turn steering wheel from full left stop to full right stop.
3.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” maintain “100%”?
YES
>> GO TO 7.
NO
>> GO TO 5.
5.
CHECK EPS CONTROL UNIT SIGNAL (2)
With CONSULT
Select “BATTERY VOLT” in “DATA MONITOR” in “EPS”.
Dose the item in “DATA MONITOR” indicate “10 V” or more?
YES
>> GO TO 6.
NO
>> Perform trouble diagnosis of EPS control unit power supply and ground. Refer to
.
6.
CHECK EPS CONTROL UNIT SIGNAL (3)
With CONSULT
1.
Select “ASSIST LEVEL” in “DATA MONITOR” in “EPS”.
2.
Stop the EPS system until the item in “DATA MONITOR” becomes “100%”.
NOTE:
While stopping the EPS system, do not turn steering wheel.
3.
Check that the symptom continues.
Revision: 2013 October
2014 JUKE
STC-34
< SYMPTOM DIAGNOSIS >
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
Dose the symptom continue?
YES
>> GO TO 7.
NO
>> The assist torque decreases because of protection function. This is not malfunction. INSPEC-
TION END
7.
CHECK EPS CONTROL UNIT SIGNAL (4)
With CONSULT
1.
Start the engine.
CAUTION:
Never drive the vehicle.
2.
Turn steering wheel from full left stop to full right stop.
3.
Select “TORQUE SENSOR” in “DATA MONITOR” in “EPS”.
4.
Perform the torque sensor inspection.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
CHECK EPS MOTOR
Perform the trouble diagnosis of EPS motor. Refer to
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace the specific malfunctioning part.
9.
CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check the steering wheel turning force for mechanical malfunction. Refer to
Monitor item
Condition
Display value
TORQUE SENSOR
Steering wheel: Not steer-
ing (There is no steering
force)
Approx. 0 Nm
Steering wheel: Right turn
Positive value (Nm)
Steering wheel: Left turn
Negative value (Nm)
Revision: 2013 October
2014 JUKE
EPS CONTROL UNIT
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< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
EPS CONTROL UNIT
Removal and Installation
INFOID:0000000009750391
CAUTION:
Disconnect battery negative terminal before starting operations.
Never remove EPS control unit from steering column assembly. When replacing EPS control unit, replace
steering column assembly. Refer to
ST-11, "Removal and Installation"
Revision: 2013 October
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STR-1
ENGINE
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SECTION
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CONTENTS
STARTING SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precautions for Removing of Battery Terminal . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tools . . . . . . . . . . . ....
Commercial Service Tools . . . . . . . . . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
STARTING SYSTEM (WITH INTELLIGENT KEY) . ..
STARTING SYSTEM (WITH INTELLIGENT KEY)
: Component Parts Location . . . . . . . . . ..
STARTING SYSTEM (WITH INTELLIGENT KEY)
: Component Description . . . . . . . . . . ...
STARTING SYSTEM (WITHOUT INTELLIGENT
KEY) . . . . . . . . . . . . . . . . . . .....
STARTING SYSTEM (WITHOUT INTELLIGENT
KEY) : Component Parts Location . . . . . . ....
STARTING SYSTEM (WITHOUT INTELLIGENT
KEY) : Component Description . . . . . . . .....
SYSTEM . . . . . . . . . . . . . . . ..
STARTING SYSTEM (WITH INTELLIGENT KEY) . ..
STARTING SYSTEM (WITH INTELLIGENT KEY)
: System Diagram . . . . . . . . . . . . . ..
STARTING SYSTEM (WITH INTELLIGENT KEY)
: System Description . . . . . . . . . . . .....
STARTING SYSTEM (WITHOUT INTELLIGENT
KEY) . . . . . . . . . . . . . . . . . . .....
STARTING SYSTEM (WITHOUT INTELLIGENT
KEY) : System Diagram . . . . . . . . . . ....
STARTING SYSTEM (WITHOUT INTELLIGENT
KEY) : System Description . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
STARTING SYSTEM (WITH INTELLIGENT
KEY) . . . . . . . . . . . . . . . . ..
Wiring Diagram (CVT Models) . . . . . . . . .
Wiring Diagram (M/T Models) . . . . . . . . ..
STARTING SYSTEM (WITHOUT INTELLI-
GENT KEY) . . . . . . . . . . . . . ...
Wiring Diagram (CVT Models) . . . . . . . . .
Wiring Diagram (M/T Models) . . . . . . . . ..
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow (With GR8-1200 NI) . . . . . . . ...
Work Flow (Without GR8-1200 NI) . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . . .
B TERMINAL CIRCUIT . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
S TERMINAL CIRCUIT . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
SYMPTOM DIAGNOSIS . . . . . . . ..
STARTING SYSTEM . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ...
STARTER MOTOR . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Revision: 2013 October
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STR-2
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ...
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
Starter Motor . . . . . . . . . . . . . . ...
Revision: 2013 October
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PRECAUTIONS
STR-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009751881
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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
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 of Battery Terminal
INFOID:0000000010193789
• When removing the 12V battery terminal, turn OFF the ignition
switch and wait at least 30 seconds.
NOTE:
ECU may be active for several tens of seconds after the ignition
switch is turned OFF. If the battery terminal is removed before ECU
stops, then a DTC detection error or ECU data corruption 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
Revision: 2013 October
2014 JUKE
STR-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000009751882
Commercial Service Tools
INFOID:0000000009751883
Tool number
(Kent-Moore No.)
Tool name
Description
—
(—) Model GR8-1200 NI
Multitasking battery and electrical di-
agnostic station
Tests batteries, starting and charging sys-
tems and charges batteries.
For operating instructions, refer to diagnos-
tic station instruction manual.
AWIIA1239ZZ
Tool name
Description
Power tool
Loosening bolts, nuts and screws
PIIB1407E
Revision: 2013 October
2014 JUKE
COMPONENT PARTS
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< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
COMPONENT PARTS
STARTING SYSTEM (WITH INTELLIGENT KEY)
STARTING SYSTEM (WITH INTELLIGENT KEY) : Component Parts Location
INFOID:0000000009751884
STARTING SYSTEM (WITH INTELLIGENT KEY) : Component Description
INFOID:0000000009751885
1.
.
2.
Transmission range switch (CVT
models)
Refer to
SYSTEM : Component Parts Loca-
tion"
.
3.
BCM
Refer to
SYSTEM : Component Parts Loca-
tion"
.
4.
Starter motor
5.
Clutch interlock switch (M/T models)
A.
Engine
B.
Clutch pedal (M/T models)
: Vehicle front
JMBIA3036ZZ
Component part
Description
BCM
BCM controls the starter relay.
IPDM E/R
CPU inside IPDM E/R controls the starter control relay.
Starter motor
The starter motor plunger closes and the motor is supplied with
battery power, which in turn cranks the engine, when the “S” ter-
minal is supplied with electric power.
Revision: 2013 October
2014 JUKE
STR-6
< SYSTEM DESCRIPTION >
COMPONENT PARTS
STARTING SYSTEM (WITHOUT INTELLIGENT KEY)
STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : Component Parts Location
INFOID:0000000009751886
STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : Component Description
INFOID:0000000009751887
Transmission range switch (CVT models)
Transmission range switch supplies power to the starter relay and
starter control relay inside IPDM E/R when the selector lever is
shifted to the P or N position.
Clutch interlock switch (M/T models)
The switch turns ON and electric power is supplied to the starter
relay and starter control relay inside IPDM E/R when the clutch
pedal is depressed.
Component part
Description
1.
IPDM E/R
Refer to
.
2.
Transmission range switch (CVT
models)
Refer to
SYSTEM : Component Parts Loca-
tion"
.
3.
Starter motor
4.
Clutch interlock switch (M/T models)
A.
Engine
B.
Clutch pedal (M/T models)
: Vehicle front
JMBIA3037ZZ
Component part
Description
IPDM E/R
CPU inside IPDM E/R controls the starter control relay.
Starter motor
The starter motor plunger closes and the motor is supplied with
battery power, which in turn cranks the engine, when the “S” ter-
minal is supplied with electric power.
Revision: 2013 October
2014 JUKE
COMPONENT PARTS
STR-7
< SYSTEM DESCRIPTION >
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Transmission range switch (CVT models)
Transmission range switch supplies power to the starter control re-
lay inside IPDM E/R when the selector lever is shifted to the P or
N position.
Clutch interlock switch (M/T models)
The switch turns ON and electric power is supplied to the starter
control relay inside IPDM E/R when the clutch pedal is depressed.
Component part
Description
Revision: 2013 October
2014 JUKE
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