DIAGNOSIS SYSTEM (ECM)EC-61
< SYSTEM DESCRIPTION > [HR16DE]
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*: 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 EC-71, "
Reference Value".
Monitored Item
Freeze frame data item* Description
Detected DTC The engine control component part/control system has a trouble code, it is displayed as PXXXX.
(Refer to
EC-87, "
DTCIndex".)
FUEL SYS-B1 • “Fuel injection system status” at the moment a malfunction is detected is displayed.
• One mode in the following 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
CAL/LD VALUE [%]
The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP [ °C] or [ °F] The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 [%] • “Long-term fuel trim” at the moment a malfunction is detected is displayed.
• The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule than short-term fuel trim.
L-FUEL TRM-B2 [%]
S-FUEL TRM-B1 [%]
• “Short-term fuel trim” at the moment a malfunction is detected is displayed.
• The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel schedule.
S-FUEL TRM-B2 [%]
ENGINE SPEED [rpm]
The engine speed at the moment a malfunction is detected is displayed.
VEHICL SPEED [km/h] or [mph] The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL TH·P/S [%] The throttle valve opening angle at the moment a malfunct ion is detected is displayed.
B/FUEL SCHDL [msec] The base fuel schedule at the moment a malfunction is detected is displayed.
INT/A TEMP SE [° C] or [°F] The intake air temperature at the moment a malfunction is detected is displayed.
INT MANI PRES [kPa] These items are displayed but are not applicable to this model.
COMBUST CONDITION
Monitored item Unit DescriptionRemarks
IDLE REQUEST* YES/NO • Displays the idle request status sent from HPCM.
- YES: Idle request received
- NO: No idle request
MIL ON REQUEST* YES/NO • Displays the MIL ON request status sent from
HPCM.
- YES: MIL ON request received
- NO: No MIL ON request
ENGINE NO-LOAD* YES/NO • Displays the clutch 1 disengagement/engage-
ment status sent from HPCM.
- YES: Clutch 1 disengaged
- NO: Clutch 1 engaged
READY STATE* YES/NO • Displays the clutch 1 disengagement/engage-
ment status sent from HPCM.
- YES: READY state
- NO: Not in READY state
ENG SPEED rpmIndicates 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.
Revision: August 2015 2016 Versa Note
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EC-62
< SYSTEM DESCRIPTION >[HR16DE]
DIAGNOSIS SYSTEM (ECM)
MAS A/F SE-B1
VThe signal voltage of the mass air flow sensor is dis-
played. • When the engine is stopped, a certain
value is indicated.
• When engine is running, specification range is indica ted in “SPEC”.
B/FUEL SCHDL ms“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 indica ted 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) VThe A/F signal computed from the input signal of
the air fuel ratio (A/F) sensor 1 is displayed.
HO2S2 (B1) VThe 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.
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 VThe 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
VThe 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
FUEL T/TMP SE
°C or °F The fuel temperature (determined by the signal volt-
age of the fuel tank temperature sensor) is dis-
played.
EVAP SYS PRES VThe signal voltage of EVAP control system pres-
sure sensor is displayed.
FUEL LEVEL SE VThe signal voltage of the fuel level sensor is dis-
played.
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.
Monitored item Unit
DescriptionRemarks
Revision: August 2015 2016 Versa Note
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DIAGNOSIS SYSTEM (ECM)EC-63
< SYSTEM DESCRIPTION > [HR16DE]
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OLOAD SIGNAL ON/OFF
• Indicates [ON/OFF] condition of the electrical
lode signal.
- ON: Rear window defogger switch is ON and/or lighting switch is 2nd position.
- OFF: Both rear window defogger switch and light-
ing switch are OFF.
IGNITION SW ON/OFFIndicates [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/OFFIndicates [ON/OFF] condition from the stop lamp
switch signal.
INJ PULSE-B1 msecIndicates the actual fuel injection pulse width com-
pensated by ECM according to the input signals. When the engine is stopped, a certain
computed value is indicated.
IGN TIMING BTDCIndicates the ignition timing computed by ECM ac-
cording to the input signals. When the engine is stopped, a certain
value is indicated.
CAL/LD VALUE %“Calculated load value” indicates the value of the
current air flow divided by peak air flow.
MASS AIRFLOW g/sIndicates the mass air flow computed by ECM ac-
cording to the signal voltage of the mass air flow
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.
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.
VENT CONT/V ON/OFF • The control condition of the EVAP canister vent
control valve (determined by ECM according to
the input signals) is displayed.
- 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.
COOLING FAN HI/LOW/OFF • Indicates the condition of the cooling fan (deter-
mined by ECM according to the input signals).
- HI: High speed operation
- LOW: Low speed operation
-OFF: Stop
HO2S2 HTR (B1) ON/OFF Indicates [ON/OFF] condition of heated oxygen
sensor 2 heater determined by ECM according to
the input signals.
Monitored item Unit
DescriptionRemarks
Revision: August 2015 2016 Versa Note
cardiagn.com
EC-64
< SYSTEM DESCRIPTION >[HR16DE]
DIAGNOSIS SYSTEM (ECM)
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 voltage variable control is inactive.
I/P PULLY SPD rpmIndicates 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 • Displays the condition of Idle Air Volume Learn-
ing.
- 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 or mile 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
indicated.
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 combination meter is dis-
played.
SET VHCL SPD km/h or mph The preset vehicle speed is displayed.
MAIN SW ON/OFFIndicates [ON/OFF] condition from ASCD MAIN
switch signal.
CANCEL SW ON/OFFIndicates [ON/OFF] condit
ion from CANCEL switch
signal.
RESUME/ACC SW ON/OFF Indicates [ON/OFF] condition from ACCEL/RES
switch signal.
SET SW ON/OFFIndicates [ON/OFF] condition from COAST/SET
switch signal.
BRAKE SW1 ON/OFFIndicates [ON/OFF] condition from ASCD brake
switch signal.
BRAKE SW2 ON/OFFIndicates [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.
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.
AT OD CANCEL ON/OFF Indicates [ON/OFF] condition of CVT O/D cancel
request signal.
Monitored item Unit
DescriptionRemarks
Revision: August 2015 2016 Versa Note
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DIAGNOSIS SYSTEM (ECM)EC-65
< SYSTEM DESCRIPTION > [HR16DE]
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CRUISE LAMP ON/OFF
Indicates [ON/OFF] cond
ition of CRUISE lamp de-
termined by the ECM according to the input signals.
SET LAMP* ON/OFFIndicates [ON/OFF] condition of SET lamp deter-
mined by the ECM according to the 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 mVThe 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/OFFIndicates [ON/OFF] condition from the park/neutral
position (PNP) signal.
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.
AC PRESS SEN VThe signal voltage from the refrigerant pressure
sensor is displayed.
CLUTCH P/P SW ON/OFF Indicates [ON/OFF] condition clutch pedal position
switch signals. Models other than M/T models always
display OFF.
VTC DTY EX B1 %• The control value of the exhaust 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.
THRTL STK CNT
B1* ——
EVAP LEAK DIAG YET/CMPLT • Indicates the condition of EVAP leak diagnosis.
YET: EVAP leak diagnosis has not been per-
formed yet.
CMPLT: EVAP leak diagnosis has been per-
formed successfully.
EVAP DIAG READY ON/OFF • Indicates the ready condition of EVAP leak diag-
nosis.
ON: Diagnosis has been ready condition.
OFF: Diagnosis has not been ready condition.
A/F SEN1
DIAG1(B1) INCMP/CM-
PLT • Indicates DTC P015A or P015B self-diagnosis
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-diagnosis
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 within the di- agnosis range.
- PRSNT: The vehicle condition is within the diag-
nosis range.
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.
EOP SENSOR mV The signal voltage of EOP sensor is displayed.
Monitored item Unit
DescriptionRemarks
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EC-66
< SYSTEM DESCRIPTION >[HR16DE]
DIAGNOSIS SYSTEM (ECM)
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.
SYSTEM 1 DIAG-
NOSIS A B1 INCMP/CM-
PLT • Indicates DTC P219A self-diagnosis condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
SYSTEM 1 DIAG-
NOSIS B B1 ABSNT/
PRSNT • Indicates DTC P219A self-diagnosis condition.
- ABSNT: Self-dia
gnosis standby
- PRSNT: Under self-diagnosis
A/GRLL SHTTR PO-
SITION F/CLOSE
MOVING
F/OPENUNIDTF • Indicates the status of active grille shutter.
- F/CLOSE: Active grille shutter is fully closed.
- MOVING: Active grille shutter is in motion.
- F/OPEN: Active grille shutter is fully opened.
- UNIDTF: Unable to specify the shutter position.
A/GRLL SHTTR
CALIBRATION INCMP/CM-
PLT • Indicates initial position learning status of active
grille shutter.
- CMPLT: The leaning is complete.
- INCOMP: The learning is incomplete.
A/GRLL SHTTR
CIRCUIT DIAG OK/NG• Indicates the diagnosis result of active grille shut-
ter circuit.
-OK: Normal.
- NG: Malfunction detected.
A/GRLL SHTTR
TEMP DIAG OK/NG• Indicates the diagnosis result of active grille shut-
ter actuator temperature status.
-OK: Normal
- NG: Abnormal temperature detected.
A/GRLL SHTTR
VOLT DIAG OK/NG• Indicates the diagnosis result of active grille shut-
ter voltage status.
-OK: Normal
- NG: Abnormal voltage detected.
A/GRLL SHTTR
OVER RUN OK/NG• Indicates active grille shutter moves beyond nor-
mal moving limit.
-OK: Normal
- NG: Malfunction detected.
A/GRLL SHTTR
STUCK OK/NG• Indicates the diagnosis result of active grille shut-
ter stuck or the operation range less than normal.
-OK: Normal
- NG: Malfunction detected.
A/GRLL SHTTR
CALIB DIAG OK/NG• Indicates the diagnosis result of initial position
learning of active grille shutter.
-OK: Normal
- NG: Deficiency detected.
A/F-S ATMSPHRC
CRCT B1 —Displays a determined value of atmospheric correc-
tion 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 pressure.
A/F-S ATMSPHRC
CRCT B2 —Displays a determined value of atmospheric correc-
tion 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 pressure.
A/F-S ATMSPHRC
CRCT UP B1 countDisplays the number of updates of the A/F sensor
atmospheric correction factor.
A/F-S ATMSPHRC
CR CT UP B2 coun
t Dis
plays the number of updates of the A/F sensor
atmospheric correction factor.
Monitored item Unit
DescriptionRemarks
Revision: August 2015 2016 Versa Note
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EC-68
< SYSTEM DESCRIPTION >[HR16DE]
DIAGNOSIS SYSTEM (ECM)
*: Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.TEST ITEM
CONDITION JUDGMENTCHECK ITEM (REMEDY)
FUEL INJECTION • Engine: Return to the original trouble
condition
• Change the amount of fuel injection
using CONSULT. If trouble symptom disappears, see
CHECK ITEM.
• Harness and connectors
• Fuel injector
• Air fuel ratio (A/F) sensor 1
ENG COOLANT
TEMP • Engine: Return to the original trouble
condition
• Change the engine coolant tempera-
ture using CONSULT. If trouble symptom disappears, see
CHECK ITEM.• Harness and connectors
• Engine coolant temperature
sensor
• Fuel injector
PURG VOL CONT/V • Engine: After warming up, run engine
at 1,500 rpm.
• Change the EVAP canister purge vol-
ume control solenoid valve opening
percent using CONSULT. Engine speed changes according to
the opening percent.
• Harness and connectors
• Solenoid valve
FUEL/T TEMP SEN Change the fuel tank temperature using CONSULT.
COOLING FAN* • Ignition switch: ON
• Turn the cooling fan “LOW”, “HI” and
“OFF” CONSULT. Cooling fan moves and stops.
• Harness and connectors
• IPDM E/R (Cooling fan relay)
• Cooling fan motor
ALTERNATOR
DUTY • Engine: Idle
• Change duty ratio using CONSULT.
Battery voltage changes.• Harness and connectors
• IPDM E/R
•Alternator
FUEL PUMP RELAY • Ignition switch: ON
• Turn the fuel pump relay “ON” and
“OFF” using CONSULT and listen to
operating sound. Fuel pump relay makes the operat-
ing sound.
• Harness and connectors
•Fuel pump relay
IGNITION TIMING • Engine: Return to the original trouble
condition
• Timing light: Set
• Retard the ignition timing using CON- SULT. If trouble symptom disappears, see
CHECK ITEM.
Perform Idle Air Volume Learn-
ing.
POWER BALANCE • Engine: After warming up, idle the en-
gine.
• A/C switch OFF
• Shift lever: P or N (CVT), Neutral (M/
T)
• Cut off each fuel injector signal one at
a time using CONSULT. Engine runs rough or dies.
• Harness and connectors
• Compression
• Fuel injector
• Power transistor
• Spark plug
• Ignition coil
VENT CONTROL/V • Ignition switch: ON
• Turn solenoid valve ON and OFF with
the CONSULT and listen to operating
sound. Solenoid valve makes an operating
sound.
• Harness and connectors
• EVAP canister vent control
solenoid valve
INT V/T ASSIGN
ANGLE • Engine: Return to the original non-
standard condition
• Change intake valve timing using CONSULT. If malfunctioning symptom disap-
pears, see CHECK ITEM.
• Harness and connectors
• Intake valve timing control
solenoid valve
EX H V/T ASSIGN
ANGLE •
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ngine: Return to the original non-
standard condition
• Change exhaust valve timing using CONSULT. If malfunctioning symptom disap-
pears, see CHECK ITEM.
• Harness and connectors
• Exhaust valve timing control
solenoid valve
ACTIVE GRILLE
SHUTTER NOTE:
Initial position learning is required every
time when the ignition switch is turned
OFF.
1. Engine: Idle speed
2. Touch “CALIBRTN” to perform ini-
tial position learning.
3. Touch “OPEN” or “CLOSE” to op- erate active grille shutter. Active grille shutter fully opens or
fully closes.
• Harness or connector
• Active grille shutter actuator
• Active grille shutter
Revision: August 2015
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DIAGNOSIS SYSTEM (ECM)EC-69
< SYSTEM DESCRIPTION > [HR16DE]
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DTC WORK SUPPORT MODE
Test Item
SRT & P-DTC MODE
SRT STATUS Mode
• For items whose SRT codes are set, “CMPLT” is di
splayed on the CONSULT screen; for items whose SRT
codes are not set, “INCMP” is displayed.
• “SRT STATUS” provides the presence or absenc e of permanent DTCs stored in ECM memory.
PERMANENT DTC STATUS Mode
How to display permanent DTC status1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” in “DTC & SRT CONFIRMATION” mode with CONSULT.
NOTE:
Permanent DTCs stored in ECM memory are displayed on the CONSULT screen to show if a driving pat-
tern required for erasing permanent DTCs is complete (CMPLT) or incomplete (INCMP).
CAUTION:
Since the “PERMANENT DTC STATUS ” screen displays the previous trip information, repeat the
following twice to update the in formation: “Ignition switch OFF”, “Wait for more than 10 seconds”
and “Ignition switch ON”.
NOTE:
This mode is not used in regions that permanent DTCs are not regulated by law.
SRT WORK SUPPORT Mode
This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.
PERMANENT DTC WORK SUPPORT Mode
Test modeTest itemCorresponding DTC No. Reference page
A/F SEN1 A/F SEN1 (B1) P1276
P0130EC-213, "
DTC Logic"
A/F SENSOR1 (B1) P014C/P014D P014C/P014DEC-243, "DTC Logic"
A/F SENSOR1 (B1) P015A/P015BP015A/P015B EC-243, "DTC Logic"
EVAPORATIVE SYSTEM PURG FLOW P0441 P0441
EC-290, "DTC Logic"
PURG VOL CN/V P1444P0443EC-295, "DTC Logic"
HO2S2 HO2S2 (B1) P1146
P0138EC-229, "
DTC Logic"
HO2S2 (B1) P1147 P0137EC-223, "DTC Logic"
HO2S2 (B1) P0139 P0139EC-237, "DTC Logic"
JSBIA0062GB
Revision: August 2015 2016 Versa Note
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