Nissan Juke F15. Instruction — part 464
DIAGNOSIS SYSTEM (ECM)
EC-669
< SYSTEM DESCRIPTION >
[MR EXCEPT FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
*: The items are the same as those of 1st trip freeze frame data.
DATA MONITOR MODE
NOTE:
• The following table includes information (items) inapplicable to this vehicle. For information (items) applica-
ble to this vehicle, refer to CONSULT display items.
• For reference values of the following items, refer to
Monitored Item
×: Applicable
FUEL SYS-B1
• “Fuel injection system status” at the moment a malfunction is detected is displayed.
• One of the following mode is displayed.
Mode2: Open loop due to detected system malfunction
Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment)
Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control
Mode5: Open loop - has not yet satisfied condition to go to closed loop
FUEL SYS-B2
COMBUST CONDI-
TION
These items are displayed but are not applicable to this model.
FUEL RAIL PRES-
SURE [MPa]
• The fuel rail pressure at the moment a malfunction is detected is displayed.
TARGET FUEL RAIL
PRESSURE [MPa]
• The target fuel rail pressure at the moment a malfunction is detected is displayed.
BATTERY VOLTAGE
[V]
• The battery voltage at the moment a malfunction is detected is displayed.
FUEL LEVEL [%]
• The fuel level at the moment a malfunction is detected is displayed.
Freeze frame data
item*
Description
Monitored item
Unit
Description
Remarks
ENG SPEED
rpm
Indicates the engine speed computed from the sig-
nal of the crankshaft position sensor (POS) and
camshaft position sensor (PHASE).
• Accuracy becomes poor if engine
speed drops below the idle rpm.
• If the signal is interrupted while the
engine is running, an abnormal value
may be indicated.
MASS AIR FLOW
SENSOR (Hz)
Hz
The signal frequency of the mass air flow sensor is
displayed.
B/FUEL SCHDL
msec
“Base fuel schedule” indicates the fuel injection
pulse width programmed into ECM, prior to any
learned on board correction.
When engine is running specification
range is indicated in “SPEC”.
A/F ALPHA-B1
%
The mean value of the air-fuel ratio feedback cor-
rection factor per cycle is indicated.
• When the engine is stopped, a certain
value is indicated.
• When engine is running specification
range is indicated in “SPEC”.
• This data also includes the data for
the air-fuel ratio learning control.
COOLAN TEMP/S
°C or °F
The engine coolant temperature (determined by the
signal voltage of the engine coolant temperature
sensor) is displayed.
When the engine coolant temperature
sensor is open or short-circuited, ECM
enters fail-safe mode. The engine cool-
ant temperature determined by the ECM
is displayed.
A/F SEN1 (B1)
V
The A/F signal computed from the input signal of
the air fuel ratio (A/F) sensor 1 is displayed.
HO2S2 (B1)
V
The signal voltage of the heated oxygen sensor 2 is
displayed.
HO2S2 MNTR(B1)
RICH/LEAN
• Display of heated oxygen sensor 2 signal:
- RICH: means the amount of oxygen after three
way catalyst is relatively small.
- LEAN: means the amount of oxygen after three
way catalyst is relatively large.
When the engine is stopped, a certain
value is indicated.
EC-670
< SYSTEM DESCRIPTION >
[MR EXCEPT FOR NISMO RS MODELS]
DIAGNOSIS SYSTEM (ECM)
VHCL SPEED SE
km/h or mph
The vehicle speed computed from the vehicle
speed signal sent from combination meter is dis-
played.
BATTERY VOLT
V
The power supply voltage of ECM is displayed.
ACCEL SEN 1
V
The accelerator pedal position sensor signal volt-
age is displayed.
ACCEL SEN 2 signal is converted by
ECM internally. Thus, it differs from
ECM terminal voltage signal.
ACCEL SEN 2
TP SEN 1-B1
V
The throttle position sensor signal voltage is dis-
played.
TP SEN 2-B1 signal is converted by
ECM internally. Thus, it differs from
ECM terminal voltage signal.
TP SEN 2-B1
START SIGNAL
ON/OFF
Indicates start signal status [ON/OFF] computed by
the ECM according to the signals of engine speed
and battery voltage.
After starting the engine, [OFF] is dis-
played regardless of the starter signal.
CLSD THL POS
ON/OFF
Indicates idle position [ON/OFF] computed by ECM
according to the accelerator pedal position sensor
signal.
AIR COND SIG
ON/OFF
Indicates [ON/OFF] condition of the air conditioner
switch as determined by the air conditioner signal.
PW/ST SIGNAL
ON/OFF
[ON/OFF] condition of the power steering system
(determined by the signal sent from EPS control
unit) is indicated.
LOAD SIGNAL
ON/OFF
• Indicates [ON/OFF] condition from the electrical
load signal.
- ON: Rear window defogger switch is ON and/or
lighting switch is in 2nd position.
- OFF: Both rear window defogger switch and light-
ing switch are OFF.
IGNITION SW
ON/OFF
Indicates [ON/OFF] condition from ignition switch
signal.
HEATER FAN SW
ON/OFF
Indicates [ON/OFF] condition from the heater fan
switch signal.
BRAKE SW
ON/OFF
Indicates [ON/OFF] condition from the stop lamp
switch signal.
IGN TIMING
BTDC
Indicates the ignition timing computed by ECM ac-
cording to the input signals.
When the engine is stopped, a certain
value is indicated.
COMBUSTION
—
These items are displayed but are not applicable to
this model.
CAL/LD VALUE
%
“Calculated load value” indicates the value of the
current airflow divided by peak airflow.
MASS AIRFLOW
g/s
Indicates the mass airflow computed by ECM ac-
cording to the signal voltage of the mass airflow
sensor.
PURG VOL C/V
%
• Indicates the EVAP canister purge volume con-
trol solenoid valve control value computed by the
ECM according to the input signals.
• The opening becomes larger as the value in-
creases.
INT/V TIM(B1)
°CA
Indicates [
°CA] of intake camshaft advance angle.
EXH/V TIM B1
°CA
Indicates [
°CA] of exhaust camshaft retard angle.
INT/V SOL(B1)
%
• The control value of the intake valve timing con-
trol solenoid valve (determined by ECM accord-
ing to the input signals) is indicated.
• The advance angle becomes larger as the value
increases.
Monitored item
Unit
Description
Remarks
DIAGNOSIS SYSTEM (ECM)
EC-671
< SYSTEM DESCRIPTION >
[MR EXCEPT FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
AIR COND RLY
ON/OFF
The air conditioner relay control condition (deter-
mined by ECM according to the input signals) is in-
dicated.
FUEL PUMP RLY
ON/OFF
Indicates the fuel pump relay control condition de-
termined by ECM according to the input signals.
THRTL RELAY
ON/OFF
Indicates the throttle control motor relay control
condition determined by the ECM according to the
input signals.
HO2S2 HTR (B1)
ON/OFF
Indicates [ON/OFF] condition of heated oxygen
sensor 2 heater determined by ECM according to
the input signals.
ALT DUTY SIG
ON/OFF
• The control condition of the power generation
voltage variable control (determined by ECM ac-
cording to the input signals) is indicated.
- ON: Power generation voltage variable control is
active.
- OFF: Power generation
I/P PULLY SPD
rpm
Indicates the engine speed computed from the in-
put speed sensor signal.
VEHICLE SPEED
km/h or mph
The vehicle speed computed from the vehicle
speed signal sent from TCM is displayed.
IDL A/V LEARN
YET/CMPLT
• Display the condition of Idle Air Volume Learning
- YET: Idle air volume learning has not been per-
formed yet.
- CMPLT: Idle air volume learning has already
been performed successfully.
TRVL AFTER MIL
km/h or mph
Distance traveled while MIL is activated.
ENG OIL TEMP
°C or °F
The engine oil temperature (determined by the sig-
nal voltage of the engine oil temperature sensor) is
displayed.
A/F S1 HTR(B1)
%
• Air fuel ratio (A/F) sensor 1 heater control value
computed by ECM according to the input signals.
• The current flow to the heater becomes larger as
the value increases.
INT/A TEMP SE
°C or °F
The intake air temperature (determined by the sig-
nal voltage of the intake air temperature sensor) is
indicated.
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 ACCEL/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 po-
sition switch signal.
BRAKE SW2
ON/OFF
Indicates [ON/OFF] condition of stop lamp switch
signal.
VHCL SPD CUT
NON/CUT
• Indicates the vehicle cruise condition.
- 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 operation is cut off.
Monitored item
Unit
Description
Remarks
EC-672
< SYSTEM DESCRIPTION >
[MR EXCEPT FOR NISMO RS MODELS]
DIAGNOSIS SYSTEM (ECM)
LO SPEED CUT
NON/CUT
• Indicates the vehicle cruise condition.
- NON: Vehicle speed is maintained at the ASCD
set speed.
- CUT: Vehicle speed decreased to excessively
low, and ASCD operation is cut off.
AT OD MONITOR
ON/OFF
Indicates [ON/OFF] condition of CVT O/D accord-
ing to the input signal from the TCM.
For M/T models, always “OFF” is dis-
played.
AT OD CANCEL
ON/OFF
Indicates [ON/OFF] condition of CVT O/D cancel
request signal.
For M/T models, always “OFF” is dis-
played.
CRUISE LAMP
ON/OFF
Indicates [ON/OFF] condition of CRUISE lamp de-
termined by the ECM according to the input signals.
SET LAMP
ON/OFF
Indicates [ON/OFF] condition of SET lamp deter-
mined by the ECM according to the input signals.
FUN DUTY
%
Indicates a command value for cooling fan. The val-
ue 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 battery current sensor signal.
BAT CUR SEN
mV
The signal voltage of battery current sensor is dis-
played.
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.
AC PRESS SEN
V
The signal voltage from the refrigerant pressure
sensor is displayed.
FUEL PRES SEN
MPa
Indicates the fuel rail pressure computed by ECM
according to the input signals.
TURBO BST SEN
V
The turbocharger boost sensor signal voltage is dis-
played.
FUEL INJ TIM
BTDC
Indicates the fuel injection timing computed by ECM
according to the input signals.
FUEL INJ B1
msec
ECM-calculated injection pulse width of the fuel in-
jector on the Bank 1 side.
BAT TEMP SEN
V
The signal voltage from the battery temperature
sensor is displayed.
A/F SEN1
DIAG2(B1)
*
INCMP/CM-
PLT
• Indicates DTC P0133 self-diagnosis condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
HO2 S2 DIAG1(B1)
INCMP/CM-
PLT
• Indicates DTC P0139 self-diagnosis (delayed re-
sponse) condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
HO2 S2 DIAG2(B1)
*
INCMP/CM-
PLT
• Indicates DTC P0139 self-diagnosis (slow re-
sponse) condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
H/P FUEL PUMP
DEG
deg
Displays ECM-calculated fuel discharge 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.
Monitored item
Unit
Description
Remarks
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