Nissan Juke F15. Manual - part 319

DIAGNOSIS SYSTEM (ECM)

EC-89

< SYSTEM DESCRIPTION >

[MR FOR NISMO RS MODELS]

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TRVL AFTER MIL

km/h or mph

Distance traveled while MIL is activat-
ed.

ENG OIL TEMP

°C or °F

The engine oil temperature (deter-
mined by the signal voltage of the en-
gine oil temperature sensor) is 
displayed.

A/F S1 HTR(B1)

%

• Air fuel ratio (A/F) sensor 1 heater 

control value computed by ECM ac-
cording to the input signals.

• The current flow to the heater be-

comes larger as the value increases.

VHCL SPEED SE

km/h or mph

The vehicle speed computed from the 
vehicle speed signal sent from combi-
nation meter is displayed.

SET VHCL SPD

km/h or mph

The preset vehicle speed is displayed.

MAIN SW

ON/OFF

Indicates [ON/OFF] condition from 
ASCD MAIN switch signal.

CANCEL SW

ON/OFF

Indicates [ON/OFF] condition from 
CANCEL switch signal.

RESUME/ACC SW

ON/OFF

Indicates [ON/OFF] condition from AC-
CEL/RES switch signal.

SET SW

ON/OFF

Indicates [ON/OFF] condition from 
COAST/SET switch signal.

BRAKE SW1

ON/OFF

Indicates [ON/OFF] condition from 
brake pedal position switch signal.

BRAKE SW2

ON/OFF

Indicates [ON/OFF] condition of stop 
lamp switch signal.

VHCL SPD CUT

NON/CUT

• Indicates the vehicle cruise condi-

tion.

- NON: Vehicle speed is maintained at 

the ASCD set speed.

- CUT: Vehicle speed decreased to 

excessively low compared with the 
ASCD set speed, and ASCD opera-
tion is cut off.

LO SPEED CUT

NON/CUT

• Indicates the vehicle cruise condi-

tion.

- NON: Vehicle speed is maintained at 

the ASCD set speed.

- CUT: Vehicle speed decreased to 

excessively low, and ASCD opera-
tion is cut off.

AT OD MONITOR

ON/OFF

Indicates [ON/OFF] condition of CVT 
O/D according to the input signal from 
the TCM.

For M/T models, always “OFF” 
is displayed.

AT OD CANCEL

ON/OFF

Indicates [ON/OFF] condition of CVT 
O/D cancel request signal.

For M/T models, always “OFF” 
is displayed.

CRUISE LAMP

ON/OFF

Indicates [ON/OFF] condition of 
CRUISE lamp determined by the ECM 
according to the input signals.

SET LAMP

ON/OFF

NOTE:
The item is indicated, but not used.

Monitored item

Unit

Monitor Item Selec-

tion

Description

Remarks

ECU IN-

PUT 
SIG-

NALS

MAIN 

SIG-

NALS

EC-90

< SYSTEM DESCRIPTION >

[MR FOR NISMO RS MODELS]

DIAGNOSIS SYSTEM (ECM)

FAN DUTY

%

Indicates a command value for cooling 
fan. The value is calculated by ECM 
based on input signals.

ALT DUTY

%

Indicates the duty ratio of the power 
generation command value. The ratio 
is calculated by ECM based on the bat-
tery current sensor signal.

BAT CUR SEN

mV

The signal voltage of battery current 
sensor is displayed.

A/F ADJ-B1

—

Indicates the correction of a factor 
stored in ECM. The factor is calculated 
from the difference between the target 
air-fuel ratio stored in ECM and the air-
fuel ratio calculated from A/F sensor 1 
signal.

P/N POSI SW

ON/OFF

×

×

Indicates [ON/OFF] condition from the 
park/neutral position (PNP) signal.

INT/A TEMP SE

°C or °F

×

×

The intake air temperature (deter-
mined by the signal voltage of the in-
take air temperature sensor1) is 
indicated.

AC PRESS SEN

V

The signal voltage from the refrigerant 
pressure sensor is displayed.

FUEL PRES SEN

MPa

Indicates the fuel rail pressure comput-
ed by ECM according to the input sig-
nals.

TURBO BST SEN

V

The turbocharger boost sensor signal 
voltage is displayed.

ATOM PRES SEN

V

The atmospheric pressure sensor sig-
nal voltage is displayed.

FUEL INJ TIM

deg

Indicates the fuel injection timing com-
puted by ECM according to the input 
signals.

FUEL INJ B1

msec

ECM-calculated injection pulse width 
of the fuel injector on the Bank 1 side.

EVAP LEAK DIAG

YET/ CMPLT

• Indicates the condition of EVAP leak 

diagnosis.

- YET: EVAP leak diagnosis has not 

been performed yet.

- CMPLT: EVAP leak diagnosis has 

been performed successfully.

EVAP DIAG READY

ON/OFF

• Indicates the ready condition of 

EVAP leak diagnosis.

- ON: Diagnosis has been ready con-

dition.

- OFF: Diagnosis has not been ready 

condition.

BAT TEMP SEN

V

The signal voltage from the battery 
temperature sensor is displayed.

THRTL STK CNT B1

—

NOTE:
The item is indicated, but not used.

Monitored item

Unit

Monitor Item Selec-

tion

Description

Remarks

ECU IN-

PUT 
SIG-

NALS

MAIN 

SIG-

NALS

DIAGNOSIS SYSTEM (ECM)

EC-91

< SYSTEM DESCRIPTION >

[MR FOR NISMO RS MODELS]

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HO2 S2 DIAG1(B1)

INCMP/CM-

PLT

• Indicates DTC P0139 self-diagnosis 

(delayed response) condition.

- INCMP: Self-diagnosis is incom-

plete.

- CMPLT: Self-diagnosis is complete.

HO2 S2 DIAG2(B1)

INCMP/CM-

PLT

• Indicates DTC P0139 self-diagnosis 

(slow response) condition.

- INCMP: Self-diagnosis is incom-

plete.

- CMPLT: Self-diagnosis is complete.

H/P FUEL PUMP 
DEG

deg

Displays ECM-calculated fuel dis-
charge position of the high pressure 
fuel pump.

FUEL PRES SEN V

mV

The signal voltage of FRP sensor is 
displayed.

EOP SENSOR

mV

The signal voltage of EOP sensor is 
displayed.

ECM TEMP 1

°C or °F

The ECM temperature is indicated.

ECM TEMP 2

BOOST S/V DUTY

%

The turbocharger boost control sole-
noid valve control condition (detem-
ined by ECM according to the input 
signal) is indicated.

G SENSOR

mV

The signal voltage of G sensor is dis-
played.

A/F SEN1 DIAG1 
(B1)

INCMP/CM-

PLT

• Indicates DTC P015A or P015B self-

diagnosis condition.
INCMP: Self-diagnosis is incom-
plete.
CMPLT: Self-diagnosis is complete.

A/F SEN1 DIAG2 
(B1)

INCMP/CM-

PLT

• Indicates DTC P014C or P014D 

self-diagnosis condition.
INCMP: Self-diagnosis is incom-
plete.
CMPLT: Self-diagnosis is complete.

A/F SEN1 DIAG3 
(B1)

ABSNT/

PRSNT

• Indicates DTC P014C, P014D, 

P015A or P015B self-diagnosis con-
dition.
ABSNT: The vehicle condition is not 
within the diagnosis range.
PRSNT: The vehicle condition is 
within the diagnosis range.

A/F-S ATMSPHRC 
CRCT B1

—

Displays a determined value of atmo-
spheric correction factor necessary for 
correcting an A/F sensor signal input to 
ECM. The signal used for the correc-
tion is an A/F sensor signal transmitted 
while driving under atmospheric pres-
sure.

Monitored item

Unit

Monitor Item Selec-

tion

Description

Remarks

ECU IN-

PUT 
SIG-

NALS

MAIN 

SIG-

NALS

EC-92

< SYSTEM DESCRIPTION >

[MR FOR NISMO RS MODELS]

DIAGNOSIS SYSTEM (ECM)

NOTE:

Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.

WORK SUPPORT MODE

Work Item

A/F-S ATMSPHRC 
CRCT B2

—

Displays a determined value of atmo-
spheric correction factor necessary for 
correcting an A/F sensor signal input to 
ECM. The signal used for the correc-
tion is an A/F sensor signal transmitted 
while driving under atmospheric pres-
sure.

A/F-S ATMSPHRC 
CRCT UP B1

count

Displays the number of updates of the 
A/F sensor atmospheric correction fac-
tor.

A/F-S ATMSPHRC 
CRCT UP B2

count

Displays the number of updates of the 
A/F sensor atmospheric correction fac-
tor.

SYSTEM 1 DIAG-
NOSIS A B1

INCMP/CM-

PLT

• Indicates DTC P219A self-daiagno-

sis condition.

- INCMP: Self-diagnosis is incom-

plete.

- CMPLT: Self-diagnosis is complete.

SYSTEM 1 DIAG-
NOSIS B B1

ABSENT/

PRSENT

• Indicates DTC P219A self-daiagno-

sis condition.

- ABSENT: Self-diagnosis standby.
- PRSENT: Under self-diagnosis.

Monitored item

Unit

Monitor Item Selec-

tion

Description

Remarks

ECU IN-

PUT 
SIG-

NALS

MAIN 

SIG-

NALS

Work item

Condition

Usage

IDLE AIR VOL LEARN

The idle air volume that keeps the engine within the specified 
range is memorized in ECM.

When learning the idle air volume

EVAP SYSTEM CLOSE

Close the EVAP canister vent control valve in order to make 
EVAP system close under the following conditions.
• Ignition switch ON
• Engine not running
• Ambient temperature is above 0

°C (32°F)

• No vacuum and no high pressure in EVAP system
• Fuel tank temperature is more than 0

°C (32°F)

• Within 10 minutes after starting “EVAP SYSTEM CLOSE”
• When trying to execute “EVAP SYSTEM CLOSE” under 

the condition except above, CONSULT will discontinue it 
and display appropriate instruction.
NOTE:
When starting engine, CONSULT may display “Battery 
voltage is low. Charge battery”, even in using charged bat-
tery.

When detecting EVAP vapor leak 
point of EVAP system

FUEL PRESSURE RELEASE

Crank a few times after engine stalls.

When releasing fuel pressure from 
fuel line

TARGET IGN TIM ADJ*

Idle condition

When adjusting target ignition tim-
ing

TARGET IDLE RPM ADJ*

Idle condition

When setting target idle speed

VIN REGISTRATION

In this mode, VIN is registered in ECM.

When registering VIN in ECM