Nissan Juke (2012 year). Service Repair Manual — part 219
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< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000007579425
Commercial Service Tools
INFOID:0000000007579426
Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-44373 Model MCR620)
Starting/Charging System Tester
Tests starting and charging systems.
For operating instructions, refer to Technical
Service Bulletin.
SEL403X
Tool name
Description
Power tool
Loosening bolts, nuts and screws
PIIB1407E
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COMPONENT PARTS
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SYSTEM DESCRIPTION
COMPONENT PARTS
STARTING SYSTEM (WITH INTELLIGENT KEY)
STARTING SYSTEM (WITH INTELLIGENT KEY) : Component Parts Location
INFOID:0000000007579427
STARTING SYSTEM (WITH INTELLIGENT KEY) : Component Description
INFOID:0000000007579428
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.
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< SYSTEM DESCRIPTION >
COMPONENT PARTS
STARTING SYSTEM (WITHOUT INTELLIGENT KEY)
STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : Component Parts Location
INFOID:0000000007579429
STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : Component Description
INFOID:0000000007579430
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.
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COMPONENT PARTS
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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
relay and starter control relay inside IPDM E/R when the clutch
pedal is depressed.
Component part
Description
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< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
STARTING SYSTEM (WITH INTELLIGENT KEY)
STARTING SYSTEM (WITH INTELLIGENT KEY) : System Diagram
INFOID:0000000007579431
*
1
: M/T models
*
2
: CVT models
STARTING SYSTEM (WITH INTELLIGENT KEY) : System Description
INFOID:0000000007579432
CVT MODELS
• When selector lever is P or N, power is supplied to starter relay and starter control relay by transmission
range switch. And BCM and IPDM E/R (CPU) detect selector lever P/N condition by the inputted signal.
• 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 control relay control sig-
nal.
• Then battery power is supplied to starter motor (“S” terminal) through starter control relay and starter relay.
M/T MODELS
• When the clutch interlock switch is turned ON position (clutch pedal is depressed) power is supplied to
starter relay and starter control relay. And BCM and IPDM E/R (CPU) detect ignition switch position by the
inputted signal.
• 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 control relay control sig-
nal.
• Then battery power is supplied to starter motor (“S” terminal) through starter control relay and starter relay.
STARTING SYSTEM (WITHOUT INTELLIGENT KEY)
JMBIA3038GB
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SYSTEM
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STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : System Diagram
INFOID:0000000007579433
*
1
: M/T models
*
2
: CVT models
STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : System Description
INFOID:0000000007579434
CVT MODELS
• When selector lever is P or N, power is supplied to starter control relay by transmission range switch. And
IPDM E/R (CPU) detect selector lever P/N condition by the inputted signal.
• When engine cranking condition is satisfied, then battery power is supplied to starter motor (“S” terminal)
through starter control relay.
M/T MODELS
When the clutch pedal is depressed, battery power is supplied to starter motor (“S” terminal).
JMBIA3039GB
Revision: 2011 October
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< WIRING DIAGRAM >
STARTING SYSTEM (WITH INTELLIGENT KEY)
WIRING DIAGRAM
STARTING SYSTEM (WITH INTELLIGENT KEY)
CVT
CVT : Wiring Diagram
INFOID:0000000007579435
M/T
JCBWA1802GB
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STARTING SYSTEM (WITH INTELLIGENT KEY)
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M/T : Wiring Diagram
INFOID:0000000007579436
JRBWC0741GB
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STARTING SYSTEM (WITHOUT INTELLIGENT KEY)
STARTING SYSTEM (WITHOUT INTELLIGENT KEY)
CVT
CVT : Wiring Diagram
INFOID:0000000007579437
M/T
JCBWA1811GB
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STARTING SYSTEM (WITHOUT INTELLIGENT KEY)
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M/T : Wiring Diagram
INFOID:0000000007579438
JCBWA1816GB
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< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000007579439
OVERALL SEQUENCE
DETAILED FLOW
JSBIA0001GB
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DIAGNOSIS AND REPAIR WORK FLOW
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NOTE:
To ensure a complete and thorough diagnosis, the battery, starter motor and alternator test segments must be
done as a set from start to finish.
1.
DIAGNOSIS WITH STARTING/CHARGING SYSTEM TESTER
Perform the starting system test with Starting/Charging System Tester (SST: J-44373). For details and operat-
ing instructions, refer to Technical Service Bulletin.
Test result
CRANKING VOLTAGE NORMAL>>GO TO 2.
CRANKING VOLTAGE LOW>>GO TO 5.
CHARGE BATTERY>>Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12
hours.) Perform battery test again. Refer to Technical Service Bulletin.
REPLACE BATTERY>>Before replacing battery, clean the battery cable clamps and battery posts. Perform
battery test again. Refer to Technical Service Bulletin. If second test result is “REPLACE BAT-
TERY”, then do so. Perform battery test again to confirm repair.
2.
CRANKING CHECK
Check that the starter motor operates correctly.
Does the engine crank normally?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
ENGINE START CHECK
Check that the engine starts.
Does the engine start?
YES
>> Starter motor is OK. INSPECTION END
NO
>> Starter motor is OK. Perform further diagnosis of engine mechanical or engine control system.
Refer EM and EC sections. Once resolved, perform battery test again.
4.
STARTER MOTOR ACTIVATION
Check that the starter motor operates.
Does the starter motor turn?
YES
>> Check ring gear and starter motor drive pinion. Once resolved, perform battery test again.
NO
>> GO TO 7.
5.
COMPARISON BETWEEN ENGINE COOLANT AND CRANKING VOLTAGE
Compare the engine coolant temperature and the cranking voltage with the specifications.
Minimum Specification of Cranking Voltage Referencing Coolant Temperature
Is the voltage less than the specified value?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
STARTER OPERATION
Check the starter operation status.
Does the starter motor turn smoothly?
YES
>> Starter motor is OK. INSPECTION END
NO
>> GO TO 7.
7.
“B” TERMINAL CIRCUIT INSPECTION
Check “B” terminal circuit. Refer to
.
Is “B” terminal circuit normal?
Engine coolant temperature [
°
C (
°
F)]
Voltage [V]
−
30 to
−
20 (
−
22 to
−
4)
8.6
−
19 to
−
10 (
−
2 to 14)
9.1
−
9 to 0 (16 to 32)
9.5
More than 1 (More than 34)
9.9
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< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
YES
>> GO TO 8.
NO
>> Repair as needed.
8.
“S” CONNECTOR CIRCUIT INSPECTION
Check “S” connector circuit. Refer to
.
Is “S” connector circuit normal?
YES
>> GO TO 9.
NO
>> Repair as needed.
9.
ENGINE ROTATION STATUS
Check that the engine can be rotated by hand.
Does the engine turn freely by hand?
YES
>> Replace starter motor.
NO
>> Perform further diagnosis of engine mechanical or powertrain mechanism. Refer to EM, TM or CL
sections. Once resolved, perform battery test again. Refer to Technical Service Bulletin.
Revision: 2011 October
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B TERMINAL CIRCUIT
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DTC/CIRCUIT DIAGNOSIS
B TERMINAL CIRCUIT
Description
INFOID:0000000007579440
The “B” terminal is constantly supplied with battery power.
Diagnosis Procedure
INFOID:0000000007579441
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
1.
Remove fuel pump fuse.
2.
Crank or start the engine (where possible) until the fuel pressure is released.
1.
CHECK FUSIBLE LINK
Check that the following fusible link is not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit if a fusible link is blown.
NO
>> GO TO 2.
2.
CHECK “B” TERMINAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Check that starter motor “B” terminal connection is clean and tight.
3.
Check voltage between starter motor “B” terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between battery and starter motor for open circuit.
3.
CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)
1.
Shift selector lever to “P” or “N” position. (CVT models)
Keep depressing clutch pedal fully. (M/T models)
2.
Check voltage between battery positive terminal and starter motor “B” terminal.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check harness between the battery and the starter motor for poor continuity.
4.
CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)
1.
Shift selector lever to “P” or “N” position. (CVT models)
Keep depressing clutch pedal fully. (M/T models)
2.
Check voltage between starter motor case and battery negative terminal.
Terminal No.
Signal name
Fusible link No.
2
Battery power supply
A (250A)
Terminals
Voltage (Approx.)
(+)
(–)
Starter motor “B” terminal
Terminal
E59
2 Ground
Battery
voltage
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor
“B” terminal
Terminal
Battery positive terminal
E59
2
When the ignition switch
is in START position
Less than
0.5 V
Revision: 2011 October
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< DTC/CIRCUIT DIAGNOSIS >
B TERMINAL CIRCUIT
Is the inspection result normal?
YES
>> “B” terminal circuit is OK. Further inspection is necessary. Refer to
.
NO
>> Check the starter motor case and ground for poor continuity.
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor case
Battery negative terminal
When the ignition switch is in
START position
Less than 0.2 V
Revision: 2011 October
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S TERMINAL CIRCUIT
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S TERMINAL CIRCUIT
Description
INFOID:0000000007579442
The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START posi-
tion while the selector lever is in the P or N position for CVT models or the clutch pedal is depressed for M/T
models.
Diagnosis Procedure
INFOID:0000000007579443
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
1.
Remove fuel pump fuse.
2.
Crank or start the engine (where possible) until the fuel pressure is released.
1.
CHECK “S” TERMINAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect starter motor connector.
3.
Shift selector lever to “P” or “N” position. (CVT models)
Keep depressing clutch pedal fully. (M/T models)
4.
Check voltage between starter motor harness connector and ground.
Is the inspection result normal?
YES
>> “S” terminal circuit is OK. Further inspection is necessary. Refer to
.
NO
>> GO TO 2.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect IPDM E/R connector.
2.
Check continuity between starter motor harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> Further inspection is necessary. Refer to
.
NO
>> Repair the harness.
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor har-
ness connector
Terminal
F10
1 Ground
When the ignition switch is in
START position
Battery voltage
Starter motor harness connector
IPDM E/R harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F10
1
E10
3
Existed
Revision: 2011 October
2012 JUKE
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