Nissan Rogue. Instruction — part 451
EC-72
< SYSTEM DESCRIPTION >
[QR25DE]
DIAGNOSIS SYSTEM (ECM)
EVAP SYS PRES
V
• The signal voltage of EVAP control sys-
tem pressure sensor is displayed.
FUEL LEVEL SE
V
×
• The signal voltage of the fuel level sensor
is displayed.
START SIGNAL
On/Off
• Indicates start signal status [ON/OFF]
computed by the ECM according to the
signals of engine speed and battery volt-
age.
• After starting the engine, [OFF]
is displayed regardless of the
starter signal.
CLSD THL POS
On/Off
×
×
• Indicates idle position [ON/OFF] comput-
ed 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 lighting switch are OFF.
IGNITION SW
On/Off
×
×
• Indicates [ON/OFF] condition from igni-
tion 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.
INJ PULSE-B1
msec
• Indicates the actual fuel injection pulse
width compensated by ECM according to
the input signals.
• When the engine is stopped, a
certain computed value is indi-
cated.
IGN TIMING
BTDC
×
• Indicates the ignition timing computed by
ECM according to the input signals.
• When the engine is stopped, a
certain value is indicated.
CAL/LD VALUE
%
• “Calculated load value” indicates the val-
ue of the current air flow divided by peak
air flow.
MASS AIRFLOW
g/s
• Indicates the mass air flow computed by
ECM according to the signal voltage of
the mass air flow sensor.
PURG VOL C/V
%
• Indicates the EVAP canister purge vol-
ume control solenoid valve control value
computed by the ECM according to the
input signals.
• The opening becomes larger as the val-
ue increases.
INT/V TIM(B1)
°CA
• Indicates [
°CA] of intake camshaft ad-
vance angle.
EXH/V TIM B1
°CA
• Indicates [
°CA] of exhaust camshaft ad-
vance angle.
Monitored item
Unit
Monitor Item
Selection
Description
Remarks
ECU
IN-
PUT
SIG-
NALS
MAIN
SIG-
NAL
S
DIAGNOSIS SYSTEM (ECM)
EC-73
< SYSTEM DESCRIPTION >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
INT/V SOL(B1)
%
• The control value of the intake valve tim-
ing control solenoid valve (determined by
ECM according to the input signals) is in-
dicated.
• The advance angle becomes larger as
the value increases.
SWRL CONT S/V
On/Off
• The control condition of the intake mani-
fold runner control valve (determined by
ECM according to the input signals) is in-
dicated.
- On: Closed
- Off: Open
AIR COND RLY
On/Off
• The air conditioner relay control condi-
tion (determined by ECM according to
the input signals) is indicated.
FUEL PUMP RLY
On/Off
• Indicates the fuel pump relay control con-
dition determined by ECM according to
the input signals.
VENT CONT/V
On/Off
• The control condition of the EVAP canis-
ter vent control valve (determined by
ECM according to the input signals) is in-
dicated.
- On: Closed
- Off: Open
THRTL RELAY
On/Off
• Indicates the throttle control motor relay
control condition determined by the ECM
according to the input signals.
FAN DUTY
%
• Indicates a command value for cooling
fan. The value is calculated by ECM
based on 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.
I/P PULLY SPD
rpm
• Indicates the engine speed computed
from the input 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
• Displays the condition of Idle Air Volume
Learning
- YET: Idle air volume learning has not
been performed yet.
- CMPLT: Idle air volume learning has al-
ready been performed successfully.
TRVL AFTER MIL
km or mile
• Distance traveled while MIL is activated.
ENG OIL TEMP
°C or °F
• The engine oil temperature (determined
by the signal voltage of the engine oil
temperature sensor) is displayed.
Monitored item
Unit
Monitor Item
Selection
Description
Remarks
ECU
IN-
PUT
SIG-
NALS
MAIN
SIG-
NAL
S
EC-74
< SYSTEM DESCRIPTION >
[QR25DE]
DIAGNOSIS SYSTEM (ECM)
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.
VHCL SPEED SE
km/h or mph
• The vehicle speed computed from the
vehicle speed signal sent from combina-
tion 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 MAIN
switch signal.
CANCEL SW
On/Off
• Indicates [ON/OFF] condition from CAN-
CEL switch signal.
RESUME/ACC SW
On/Off
• Indicates [ON/OFF] condition from RE-
SUME/ACCELERATE switch signal.
SET SW
On/Off
• Indicates [ON/OFF] condition from SET/
COAST 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 condition.
- Non: Vehicle speed is maintained at the
ASCD set speed.
- Cut: Vehicle speed decreased to exces-
sively low compared with the ASCD set
speed, and ASCD operation is cut off.
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 exces-
sively low, and ASCD operation is cut off.
AT OD MONITOR
On/Off
• Indicates [ON/OFF] condition of CVT O/
D according to the input signal from the
TCM.
AT OD CANCEL
On/Off
• Indicates [ON/OFF] condition of CVT O/
D cancel request signal.
CRUISE LAMP
On/Off
• Indicates [ON/OFF] condition of CRUISE
lamp determined by the ECM according
to the input signals.
SET LAMP
On/Off
• Indicates [ON/OFF] condition of SET
lamp determined by the ECM according
to the input signals.
A/F ADJ-B1
—
• Indicates the correction of factor stored in
ECM. The factor is calculated from the
difference between the target air-fuel ra-
tio stored in ECM and the air-fuel ratio
calculated from A/F sensor 1 signal.
TUMBLE POS SEN
V
• The intake manifold runner control valve
position sensor signal voltage is dis-
played.
Monitored item
Unit
Monitor Item
Selection
Description
Remarks
ECU
IN-
PUT
SIG-
NALS
MAIN
SIG-
NAL
S
DIAGNOSIS SYSTEM (ECM)
EC-75
< SYSTEM DESCRIPTION >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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 (determined
by the signal voltage of the intake air tem-
perature sensor) is indicated.
AC PRESS SEN
V
• The signal voltage from the refrigerant
pressure sensor is displayed.
VTC DTY EX B1
%
• The control value of the exhaust valve
timing control solenoid valve (determined
by ECM according to the input signals) is
indicated.
• The advance angle becomes larger as
the value increases.
EOP SENSOR
mV
• The signal voltage of engine oil pressure
sensor is displayed.
EVAP LEAK DIAG
YET/CMPLT
• Indicates the condition of EVAP leak di-
agnosis.
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 condition.
OFF: Diagnosis has not been ready con-
dition.
THRTL STK CNT
B1
*
—
—
A/F SEN1
DIAG1(B1)
INCMP/CM-
PLT
• Indicates DTC P015A or P015B self-di-
agnosis condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
A/F SEN1
DIAG2(B1)
INCMP/CM-
PLT
• Indicates DTC P014C or P014D self-di-
agnosis condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
A/F SEN1
DIAG3(B1)
ABSNT/
PRSNT
• Indicates DTC P014C, P014D, P015A or
P015B self-diagnosis condition.
- ABSNT: The vehicle condition is not with-
in the diagnosis range.
- PRSNT: The vehicle condition is within
the diagnosis range.
HO2 S2 DIAG1
(B1)
INCMP/CM-
PLT
• Indicates DTC P0139 self-diagnosis (de-
layed response) condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
HO2 S2 DIAG2
(B1)
INCMP/CM-
PLT
• Indicates DTC P0139 self-diagnosis
(slow response) condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
Monitored item
Unit
Monitor Item
Selection
Description
Remarks
ECU
IN-
PUT
SIG-
NALS
MAIN
SIG-
NAL
S
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