Nissan Juke (2012 year). Service Repair Manual

P050A, P050E COLD START CONTROL

EC-369

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

YES

>> Proceed to

EC-369, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577219

PERFORM IDLE AIR VOLUME LEARNING

Perform

EC-132, "Work Procedure"

Is Idle Air Volume Learning carried out successfully?

YES

>> GO TO 2.

>> Follow the instruction of Idle Air Volume Learning.

CHECK INTAKE SYSTEM

Check for the cause of intake air volume lacking. Refer to the following.
• Crushed intake air passage
• Intake air passage clogging
• Clogging of throttle body

Is the inspection result normal?

YES

>> GO TO 3.

>> Repair or replace malfunctioning part

CHECK FUEL INJECTION SYSTEM FUNCTION

Perform DTC Confirmation Procedure for DTC P0171. Refer to

EC-258, "DTC Logic"

Is the inspection result normal?

YES

>> GO TO 4.

>> Proceed to

EC-259, "Diagnosis Procedure"

for DTC P0171.

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

Erase DTC.

Perform DTC Confirmation Procedure.
See

EC-368, "DTC Logic"

Is the 1st trip DTC P050A or P050E displayed again?

YES

>> Replace ECM. Refer to

EC-534, "Removal and Installation"

>> INSPECTION END

Revision: 2011 October

2012 JUKE

EC-370

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0520 EOP SENSOR

P0520 EOP SENSOR

DTC Logic

INFOID:0000000007577220

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1.

Turn ignition switch OFF and wait at least 10 seconds.

Turn ignition switch ON.

Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON and wait at least 5 seconds.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-370, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577221

CHECK ENGINE OIL

Turn ignition switch OFF.

Check engine oil level and pressure. Refer to

LU-7, "Inspection"

Is inspection result normal?

YES

>> GO TO 2.

>> Repair or replace error-detected parts.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

Detecting condition

Possible cause

P0520

EOP SENSOR/SWITCH
[Engine oil pressure (EOP) sensor
circuit]

Signal voltage from the EOP sensor
remains at more than 4.9 V / less than
0.26 V for 5 seconds or more.

• Harness or connectors

(EOP sensor circuit is open or short-
ed.)
(Camshaft position sensor circuit is
open or shorted)
(Fuel rail pressure sensor circuit is
open or shorted.)
(Battery current sensor circuit is open
or shorted.)
(G sensor circuit is open or shorted.)
(Exhaust valve timing control position
sensor circuit is open or shorted.)
(Accelerator pedal position sensor 2
circuit is open or shorted.)
(Turbocharger boost sensor circuit is
open or shorted.)

• Engine oil level abnormality
• EOP sensor
• Camshaft position sensor
• Fuel rail pressure sensor
• Battery current sensor
• G sensor
• Exhaust valve timing control position

sensor

• Accelerator pedal position sensor 2
• Turbocharger boost sensor

Revision: 2011 October

2012 JUKE

P0520 EOP SENSOR

EC-371

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

CHECK EOP SENSOR POWER SUPPLY-I

Disconnect EOP sensor connector.

Turn ignition switch ON.

Check the voltage between EOP sensor harness connector terminals.

Inspection result normal?

YES

>> GO TO 7.

>> GO TO 3.

CHECK EOP SENSOR POWER SUPPLY-II

Check the voltage between EOP sensor harness connector and the ground.

Is inspection result normal?

YES

>> GO TO 5.

>> GO TO 4.

CHECK SENSOR POWER SUPPLY CIRCUIT

Turn ignition switch OFF.

Disconnect ECM harness connector.

Check harness connector for short to power and short to ground, between the following terminals.

Is inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

>> Repair or replace error-detected parts.

CHECK EOP SENSOR GROUND CIRCUIT

Turn ignition switch OFF.

Disconnect ECM harness connector.

Check the continuity between EOP sensor harness connector and ECM harness connector.

EOP sensor

Voltage

(Approx.)

Connector

−

terminal

F43

5 V

−

Voltage

(Approx.)

EOP sensor

Connector

Terminal

F43

Ground

5 V

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F25

FRP sensor

EOP sensor

F43

Turbocharger boost sensor

F75

F26

Battery current sensor

F52

G sensor

B32

CMP sensor

F109

EVT control position sensor

F110

E18

118

APP sensor 2

E101

Revision: 2011 October

2012 JUKE

EC-372

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0520 EOP SENSOR

Also check harness for short to power.

Is inspection result normal?

YES

>> GO TO 6.

>> Repair or replace error-detected parts.

CHECK ECM GROUND CIRCUIT

Check the continuity between ECM harness connector and ground.

Is inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-43, "Intermittent Incident"

>> Repair or replace error-detected parts.

CHECK EOP SENSOR SIGNAL CIRCUIT

Turn ignition switch OFF.

Disconnect ECM harness connector.

Check the continuity between EOP sensor harness connector and ECM harness connector.

Also check harness for short to ground and to power.

Is inspection result normal?

YES

>> GO TO 8.

>> Repair or replace error-detected parts.

CHECK EOP SENSOR

Refer to

EC-372, "Component Inspection"

Is inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-43, "Intermittent Incident"

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000007577222

CHECK EOP SENSOR

Turn ignition switch OFF.

Disconnect EOP sensor harness connector.

Check resistance between EOP sensor connector terminals.

−

Continuity

EOP sensor

ECM

Connector

Terminal

Connector

Terminal

F43

F25

Existed

−

Continuity

ECM

Connector

Terminal

F25

Ground

Existed

E18

123

124

127

−

Continuity

EOP sensor

ECM

Connector

Terminal

Connector

Terminal

F43

F25

Existed

Revision: 2011 October

2012 JUKE

P0520 EOP SENSOR

EC-373

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

Is the inspection result normal?

YES

>> INSPECTION END.

>> Replace EOP sensor. Refer to

EM-110, "Exploded View"

EOP sensor

Condition

Resistance (k

Ω

)

−

Terminal

None

4 k

Ω

– 10 k

Ω

2 k

Ω

– 8 k

Ω

4 k

Ω

– 10 k

Ω

1 k

Ω

– 3 k

Ω

2 k

Ω

– 8 k

Ω

1 k

Ω

– 3 k

Ω

Revision: 2011 October

2012 JUKE

EC-374

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0524 ENGINE OIL PRESSURE

P0524 ENGINE OIL PRESSURE

DTC Logic

INFOID:0000000007577223

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

If “

EC-375, "Diagnosis Procedure"

” is unfinished, be sure to perform Step 3 and 4.

PRECONDITIONING-1

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1.

Turn ignition switch OFF and wait at least 10 seconds.

Turn ignition switch ON.

Turn ignition switch OFF and wait at least 10 seconds.

TEST CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

>> GO TO 2.

PRECONDITIONING-2

Is “Diagnosis Procedure” of DTC P0524 finished?

YES

>> GO TO 3.

>> GO TO 4.

PERFORM DTC CONFIRMATION PROCEDURE

Start engine and warm it up to normal operating temperature.

Maintain the following conditions for about 10 consecutive seconds.

NOTE:
With engine speed set around 4,000 rpm, the phenomenon can be reproduced more easily.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-375, "Diagnosis Procedure"

>> INSPECTION END

CHECK ENGINE OIL LEVEL

Check engine oil level. Refer to

LU-7, "Inspection"

Is the inspection result normal?

YES

>> GO TO 5.

>> Proceed to

EC-375, "Diagnosis Procedure"

CHECK ENGINE OIL PRESSURE

With CONSULT

DTC No.

Trouble diagnosis

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0524

ENGINE OIL PRESSURE
(Engine oil pressure too low)

An EOP sensor signal voltage applied to
ECM remains lower than the specified value
continuously for 10 seconds or more when
the engine speed is 1,000 rpm or more.

• Decrease in engine oil pressure
• Decrease in engine oil level
• Engine oil condition
• EOP sensor
• Engine body

Selector lever

P or N position

Engine coolant temperature

C (158

F) or more

Engine speed

1,000 rpm or more

Revision: 2011 October

2012 JUKE

P0524 ENGINE OIL PRESSURE

EC-375

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

Turn ignition switch ON.

Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

Start the engine and check that “EOP SENSOR” changes, according to engine speeds.

Without CONSULT

Check engine oil level. Refer to

LU-7, "Inspection"

Is the inspection result normal?

YES

>> GO TO 3.

>> Proceed to

EC-375, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007577224

CHECK ENGINE OIL LEVEL

Turn ignition switch OFF.

Check engine oil level. Refer to

LU-7, "Inspection"

Is the inspection result normal?

YES

>> GO TO 2.

>> GO TO 4.

CHECK ENGINE OIL PRESSURE

With CONSULT

Turn ignition switch ON.

Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

Start the engine and check that “EOP SENSOR” changes, according to engine speeds.

Without CONSULT

Check engine oil level. Refer to

LU-7, "Inspection"

Is the inspection result normal?

YES

>> GO TO 3.

>> Check oil pump. Refer to

LU-16, "Inspection"

CHECK EOP SENSOR

Check EOP sensor. Refer to

EC-376, "Component Inspection"

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-43, "Intermittent Incident"

>> Repair or replace error-detected parts.

CHECK ENGINE OIL LEAKAGE

Check engine oil leakage. Refer to

LU-6, "Engine Lubrication System"

Is the inspection result normal?

YES

>> GO TO 5.

>> Repair or replace error-detected parts.

Monitor item

Condition

Value

(Approx.)

EOP SENSOR

• Engine oil temperature: 80

C (176

• Selector lever: P or N position
• Air conditioner switch: OFF
• No load

Engine speed:
Idle

1,450 mV or more

Engine speed:
2,000 rpm

2,850 mV or more

Monitor item

Condition

Value

(Approx.)

EOP SENSOR

• Engine oil temperature: 80

C (176

• Selector lever: P or N position
• Air conditioner switch: OFF
• No load

Engine speed:
Idle

1,450 mV or more

Engine speed:
2,000 rpm

2,850 mV or more

Revision: 2011 October

2012 JUKE

EC-376

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0524 ENGINE OIL PRESSURE

CHECK CAUSE OF ENGINE OIL CONSUMPTION

Check the following item.

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000007577225

CHECK EOP SENSOR

Turn ignition switch OFF.

Disconnect EOP sensor harness connector.

Check resistance between EOP sensor connector terminals.

Is the inspection result normal?

YES

>> INSPECTION END.

>> Replace EOP sensor. Refer to

EM-110, "Exploded View"

Step

Inspection item

Equipment

Standard

Reference

PCV valve

EC-533, "Inspection"

Turbocharger

EM-38, "Inspection"

Exhaust front tube

Visual

• No blocking
• No abnormal sounds

—

Oil pump

Visual

• No blocking
• No abnormal sounds

—

Oil pump

LU-16, "Inspection"

• Piston
• Piston pin
• Piston ring

• Piston to piston pin oil clearance
• Piston ring side clearance
• Piston ring end gap

EM-129, "Description"

Cylinder block

• Cylinder block top surface distortion
• Piston to cylinder bore clearance

EM-119, "Inspection"

EOP sensor

Condition

Resistance (k

Ω

)

−

Terminal

None

4 k

Ω

– 10 k

Ω

2 k

Ω

– 8 k

Ω

4 k

Ω

– 10 k

Ω

1 k

Ω

– 3 k

Ω

2 k

Ω

– 8 k

Ω

1 k

Ω

– 3 k

Ω

Revision: 2011 October

2012 JUKE

P0603 ECM POWER SUPPLY

EC-377

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0603 ECM POWER SUPPLY

DTC Logic

INFOID:0000000007577226

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1.

Turn ignition switch OFF and wait at least 10 seconds.

Turn ignition switch ON.

Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON wait at least 10 seconds.

Turn ignition switch OFF and wait at least 5 minutes.

Turn ignition switch ON, wait at least 10 seconds.

Repeat step 2 and 3 for five times.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-377, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577227

CHECK ECM POWER SUPPLY

Turn ignition switch OFF.

Disconnect ECM harness connector.

Check the voltage between ECM harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 2.

>> Perform the trouble diagnosis for power supply circuit.

CHECK INTERMITTENT INCIDENT

Perform

GI-43, "Intermittent Incident"

Is the inspection result normal?

YES

>> GO TO 3.

>> Repair or replace error-detected parts.

PERFORM DTC CONFIRMATION PROCEDURE

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0603

ECM BACK UP/CIRCUIT
(ECM power supply circuit)

ECM back up RAM system does not
function properly.

• Harness or connectors

[ECM power supply (back up) circuit is open or
shorted.]

• ECM

ECM

Voltage

Connector

−

Terminal

E18

106

127

Battery voltage

Revision: 2011 October

2012 JUKE

P0605 ECM

EC-379

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0605 ECM

DTC Logic

INFOID:0000000007577228

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1.

Turn ignition switch OFF and wait at least 10 seconds.

Turn ignition switch ON.

Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A

Turn ignition switch ON.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-379, "Diagnosis Procedure"

>> GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B

Turn ignition switch ON and wait at least 1 second.

Turn ignition switch OFF, wait at least 10 seconds and then turn ON.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-379, "Diagnosis Procedure"

>> GO TO 4.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

Turn ignition switch ON and wait at least 1 second.

Turn ignition switch OFF, wait at least 10 seconds and then turn ON.

Repeat step 2 for 32 times.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-379, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577229

INSPECTION START

Turn ignition switch ON.

Erase DTC.

Perform DTC confirmation procedure. Refer to

EC-379, "DTC Logic"

Is the 1st trip DTC P0605 displayed again?

DTC No.

Trouble diagnosis name

(Trouble diagnosis con-

tent)

DTC detecting condition

Possible cause

P0605

ECM
(Engine control module)

ECM calculation function is malfunctioning.

ECM

ECM EEP-ROM system is malfunctioning.

ECM self shut-off function is malfunctioning.

ECM temperature sensor is malfunctioning.

Revision: 2011 October

2012 JUKE

P0607 ECM

EC-381

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0607 ECM

DTC Logic

INFOID:0000000007577230

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

Check DTC.

Is DTC detected?

YES

>> Proceed to

EC-381, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577231

INSPECTION START

Turn ignition switch ON.

Erase DTC.

Perform DTC confirmation procedure. Refer to

EC-381, "DTC Logic"

Check DTC.

Is the DTC P0607 displayed again?

YES

>> Replace ECM. Refer to

EC-534, "Removal and Installation"

>> INSPECTION END

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0607

ECM
(CAN communication bus)

When detecting error during the initial diagnosis
of CAN controller of ECM.

ECM

Revision: 2011 October

2012 JUKE

EC-382

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0611 ECM PROTECTION

P0611 ECM PROTECTION

Description

INFOID:0000000007577232

This DTC is detected when the ECM protective function is activated due to an extreme temperature increase
in ECM, resulting from severe conditions such as heavy load driving.

DTC Logic

INFOID:0000000007577233

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

This DTC is displayed as protection function history. If no malfunction is detected after the diagnosis, the cus-
tomer must be informed of the activation of the protection function.

>> Proceed to

EC-382, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007577234

INSPECTION START

Perform DTC confirmation procedure. Refer to

EC-379, "DTC Logic"

Check 1st trip DTC.

Is DTC P0605 detected?

YES

>> Proceed to

EC-379, "Diagnosis Procedure"

>> Explain the customer about the activation of the protection function.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0611

FIC MODULE
(ECM protection)

ECM overheat protection control is activated.

ECM overheated

Revision: 2011 October

2012 JUKE

P062B ECM

EC-383

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P062B ECM

Description

INFOID:0000000007577235

This DTC is detected when the ECM-integrated injector driver unit has a malfunction. For injector driver unit,
refer to

EC-22, "ECM"

DTC Logic

INFOID:0000000007577236

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

Turn ignition switch OFF and wait at least 10 seconds.

Turn ignition switch ON.

Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

>> GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

Start the engine and keep the engine speed at idle for 30 seconds.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to

EC-383, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577237

CHECK FUEL INJECTOR

Check fuel injector. Refer to

EC-485, "Component Function Check"

Is inspection result normal?

YES

>> GO TO 2.

>> Repair or replace error-detected parts.

PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.

Erase DTC.

Perform DTC confirmation procedure again. Refer to

EC-383, "DTC Logic"

Check 1st trip DTC.

Is the DTC P062B displayed again?

YES

>> Replace ECM. Refer to

EC-534, "Removal and Installation"

>> INSPECTION END

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P062B

ECM
(Internal control module fuel injector
control performance)

Injector driver unit is malfunctioning.

• Harness and connectors

(Injector circuit is open or
shorted)

• Battery power supply
• ECM (injector driver unit)

Revision: 2011 October

2012 JUKE

EC-384

< DTC/CIRCUIT DIAGNOSIS >

[MR16DDT ]

P0643 SENSOR POWER SUPPLY

P0643 SENSOR POWER SUPPLY

DTC Logic

INFOID:0000000007577238

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1.

Turn ignition switch OFF and wait at least 10 seconds.

Turn ignition switch ON.

Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.

>> GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

Start engine and let it idle for 1 second.

Check DTC.

Is DTC detected?

YES

>> Proceed to

EC-384, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000007577239

CHECK SENSOR POWER SUPPLY

Turn ignition switch ON.

Check the voltage between ECM harness connector and ground.

DTC No.

Trouble diagnosis name

(Trouble diagnosis con-

tent)

DTC detecting condition

Possible cause

P0643

SENSOR POWER/
CIRC
(Sensor power supply
circuit short)

ECM detects a voltage of power source
for sensor is excessively low or high.

• Harness or connectors

(Refrigerant pressure sensor circuit is open or
shorted.)
(Crankshaft position sensor circuit is open or
shorted)
(Accelerator pedal position sensor 1 circuit is
open or shorted.)
(Throttle position sensor circuit is open or
shorted.)
(EVAP control pressure sensor circuit is open
or shorted.)

• Refrigerant pressure sensor
• Crankshaft position sensor
• Accelerator pedal position sensor 1
• Throttle position sensor
• EVAP control pressure sensor

Revision: 2011 October

2012 JUKE

Nissan Juke (2012 year). Service Repair Manual - part 97